/*  Prototype JavaScript framework, version 1.5.1.1
*  (c) 2005-2007 Sam Stephenson
*
*  Prototype is freely distributable under the terms of an MIT-style license.
*  For details, see the Prototype web site: http://www.prototypejs.org/
*
/*--------------------------------------------------------------------------*/
var Prototype = {
Version: '1.5.1.1',
Browser: {
IE:     !!(window.attachEvent && !window.opera),
Opera:  !!window.opera,
WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1
},
BrowserFeatures: {
XPath: !!document.evaluate,
ElementExtensions: !!window.HTMLElement,
SpecificElementExtensions:
(document.createElement('div').__proto__ !==
document.createElement('form').__proto__)
},
ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
emptyFunction: function() { },
K: function(x) { return x }
}
var Class = {
create: function() {
return function() {
this.initialize.apply(this, arguments);
}
}
}
var Abstract = new Object();
Object.extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
return destination;
}
Object.extend(Object, {
inspect: function(object) {
try {
if (object === undefined) return 'undefined';
if (object === null) return 'null';
return object.inspect ? object.inspect() : object.toString();
} catch (e) {
if (e instanceof RangeError) return '...';
throw e;
}
},
toJSON: function(object) {
var type = typeof object;
switch(type) {
case 'undefined':
case 'function':
case 'unknown': return;
case 'boolean': return object.toString();
}
if (object === null) return 'null';
if (object.toJSON) return object.toJSON();
if (object.ownerDocument === document) return;
var results = [];
for (var property in object) {
var value = Object.toJSON(object[property]);
if (value !== undefined)
results.push(property.toJSON() + ': ' + value);
}
return '{' + results.join(', ') + '}';
},
keys: function(object) {
var keys = [];
for (var property in object)
keys.push(property);
return keys;
},
values: function(object) {
var values = [];
for (var property in object)
values.push(object[property]);
return values;
},
clone: function(object) {
return Object.extend({}, object);
}
});
Function.prototype.bind = function() {
var __method = this, args = $A(arguments), object = args.shift();
return function() {
return __method.apply(object, args.concat($A(arguments)));
}
}
Function.prototype.bindAsEventListener = function(object) {
var __method = this, args = $A(arguments), object = args.shift();
return function(event) {
return __method.apply(object, [event || window.event].concat(args));
}
}
Object.extend(Number.prototype, {
toColorPart: function() {
return this.toPaddedString(2, 16);
},
succ: function() {
return this + 1;
},
times: function(iterator) {
$R(0, this, true).each(iterator);
return this;
},
toPaddedString: function(length, radix) {
var string = this.toString(radix || 10);
return '0'.times(length - string.length) + string;
},
toJSON: function() {
return isFinite(this) ? this.toString() : 'null';
}
});
Date.prototype.toJSON = function() {
return '"' + this.getFullYear() + '-' +
(this.getMonth() + 1).toPaddedString(2) + '-' +
this.getDate().toPaddedString(2) + 'T' +
this.getHours().toPaddedString(2) + ':' +
this.getMinutes().toPaddedString(2) + ':' +
this.getSeconds().toPaddedString(2) + '"';
};
var Try = {
these: function() {
var returnValue;
for (var i = 0, length = arguments.length; i < length; i++) {
var lambda = arguments[i];
try {
returnValue = lambda();
break;
} catch (e) {}
}
return returnValue;
}
}
/*--------------------------------------------------------------------------*/
var PeriodicalExecuter = Class.create();
PeriodicalExecuter.prototype = {
initialize: function(callback, frequency) {
this.callback = callback;
this.frequency = frequency;
this.currentlyExecuting = false;
this.registerCallback();
},
registerCallback: function() {
this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},
stop: function() {
if (!this.timer) return;
clearInterval(this.timer);
this.timer = null;
},
onTimerEvent: function() {
if (!this.currentlyExecuting) {
try {
this.currentlyExecuting = true;
this.callback(this);
} finally {
this.currentlyExecuting = false;
}
}
}
}
Object.extend(String, {
interpret: function(value) {
return value == null ? '' : String(value);
},
specialChar: {
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'\\': '\\\\'
}
});
Object.extend(String.prototype, {
gsub: function(pattern, replacement) {
var result = '', source = this, match;
replacement = arguments.callee.prepareReplacement(replacement);
while (source.length > 0) {
if (match = source.match(pattern)) {
result += source.slice(0, match.index);
result += String.interpret(replacement(match));
source  = source.slice(match.index + match[0].length);
} else {
result += source, source = '';
}
}
return result;
},
sub: function(pattern, replacement, count) {
replacement = this.gsub.prepareReplacement(replacement);
count = count === undefined ? 1 : count;
return this.gsub(pattern, function(match) {
if (--count < 0) return match[0];
return replacement(match);
});
},
scan: function(pattern, iterator) {
this.gsub(pattern, iterator);
return this;
},
truncate: function(length, truncation) {
length = length || 30;
truncation = truncation === undefined ? '...' : truncation;
return this.length > length ?
this.slice(0, length - truncation.length) + truncation : this;
},
strip: function() {
return this.replace(/^\s+/, '').replace(/\s+$/, '');
},
stripTags: function() {
return this.replace(/<\/?[^>]+>/gi, '');
},
stripScripts: function() {
return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
},
extractScripts: function() {
var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
return (this.match(matchAll) || []).map(function(scriptTag) {
return (scriptTag.match(matchOne) || ['', ''])[1];
});
},
evalScripts: function() {
return this.extractScripts().map(function(script) { return eval(script) });
},
escapeHTML: function() {
var self = arguments.callee;
self.text.data = this;
return self.div.innerHTML;
},
unescapeHTML: function() {
var div = document.createElement('div');
div.innerHTML = this.stripTags();
return div.childNodes[0] ? (div.childNodes.length > 1 ?
$A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
div.childNodes[0].nodeValue) : '';
},
toQueryParams: function(separator) {
var match = this.strip().match(/([^?#]*)(#.*)?$/);
if (!match) return {};
return match[1].split(separator || '&').inject({}, function(hash, pair) {
if ((pair = pair.split('='))[0]) {
var key = decodeURIComponent(pair.shift());
var value = pair.length > 1 ? pair.join('=') : pair[0];
if (value != undefined) value = decodeURIComponent(value);
if (key in hash) {
if (hash[key].constructor != Array) hash[key] = [hash[key]];
hash[key].push(value);
}
else hash[key] = value;
}
return hash;
});
},
toArray: function() {
return this.split('');
},
succ: function() {
return this.slice(0, this.length - 1) +
String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
},
times: function(count) {
var result = '';
for (var i = 0; i < count; i++) result += this;
return result;
},
camelize: function() {
var parts = this.split('-'), len = parts.length;
if (len == 1) return parts[0];
var camelized = this.charAt(0) == '-'
? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
: parts[0];
for (var i = 1; i < len; i++)
camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
return camelized;
},
capitalize: function() {
return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
},
underscore: function() {
return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
},
dasherize: function() {
return this.gsub(/_/,'-');
},
inspect: function(useDoubleQuotes) {
var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
var character = String.specialChar[match[0]];
return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
});
if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
return "'" + escapedString.replace(/'/g, '\\\'') + "'";
},
toJSON: function() {
return this.inspect(true);
},
unfilterJSON: function(filter) {
return this.sub(filter || Prototype.JSONFilter, '#{1}');
},
isJSON: function() {
var str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
},
evalJSON: function(sanitize) {
var json = this.unfilterJSON();
try {
if (!sanitize || json.isJSON()) return eval('(' + json + ')');
} catch (e) { }
throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
},
include: function(pattern) {
return this.indexOf(pattern) > -1;
},
startsWith: function(pattern) {
return this.indexOf(pattern) === 0;
},
endsWith: function(pattern) {
var d = this.length - pattern.length;
return d >= 0 && this.lastIndexOf(pattern) === d;
},
empty: function() {
return this == '';
},
blank: function() {
return /^\s*$/.test(this);
}
});
if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
escapeHTML: function() {
return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
},
unescapeHTML: function() {
return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
}
});
String.prototype.gsub.prepareReplacement = function(replacement) {
if (typeof replacement == 'function') return replacement;
var template = new Template(replacement);
return function(match) { return template.evaluate(match) };
}
String.prototype.parseQuery = String.prototype.toQueryParams;
Object.extend(String.prototype.escapeHTML, {
div:  document.createElement('div'),
text: document.createTextNode('')
});
with (String.prototype.escapeHTML) div.appendChild(text);
var Template = Class.create();
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
Template.prototype = {
initialize: function(template, pattern) {
this.template = template.toString();
this.pattern  = pattern || Template.Pattern;
},
evaluate: function(object) {
return this.template.gsub(this.pattern, function(match) {
var before = match[1];
if (before == '\\') return match[2];
return before + String.interpret(object[match[3]]);
});
}
}
var $break = {}, $continue = new Error('"throw $continue" is deprecated, use "return" instead');
var Enumerable = {
each: function(iterator) {
var index = 0;
try {
this._each(function(value) {
iterator(value, index++);
});
} catch (e) {
if (e != $break) throw e;
}
return this;
},
eachSlice: function(number, iterator) {
var index = -number, slices = [], array = this.toArray();
while ((index += number) < array.length)
slices.push(array.slice(index, index+number));
return slices.map(iterator);
},
all: function(iterator) {
var result = true;
this.each(function(value, index) {
result = result && !!(iterator || Prototype.K)(value, index);
if (!result) throw $break;
});
return result;
},
any: function(iterator) {
var result = false;
this.each(function(value, index) {
if (result = !!(iterator || Prototype.K)(value, index))
throw $break;
});
return result;
},
collect: function(iterator) {
var results = [];
this.each(function(value, index) {
results.push((iterator || Prototype.K)(value, index));
});
return results;
},
detect: function(iterator) {
var result;
this.each(function(value, index) {
if (iterator(value, index)) {
result = value;
throw $break;
}
});
return result;
},
findAll: function(iterator) {
var results = [];
this.each(function(value, index) {
if (iterator(value, index))
results.push(value);
});
return results;
},
grep: function(pattern, iterator) {
var results = [];
this.each(function(value, index) {
var stringValue = value.toString();
if (stringValue.match(pattern))
results.push((iterator || Prototype.K)(value, index));
})
return results;
},
include: function(object) {
var found = false;
this.each(function(value) {
if (value == object) {
found = true;
throw $break;
}
});
return found;
},
inGroupsOf: function(number, fillWith) {
fillWith = fillWith === undefined ? null : fillWith;
return this.eachSlice(number, function(slice) {
while(slice.length < number) slice.push(fillWith);
return slice;
});
},
inject: function(memo, iterator) {
this.each(function(value, index) {
memo = iterator(memo, value, index);
});
return memo;
},
invoke: function(method) {
var args = $A(arguments).slice(1);
return this.map(function(value) {
return value[method].apply(value, args);
});
},
max: function(iterator) {
var result;
this.each(function(value, index) {
value = (iterator || Prototype.K)(value, index);
if (result == undefined || value >= result)
result = value;
});
return result;
},
min: function(iterator) {
var result;
this.each(function(value, index) {
value = (iterator || Prototype.K)(value, index);
if (result == undefined || value < result)
result = value;
});
return result;
},
partition: function(iterator) {
var trues = [], falses = [];
this.each(function(value, index) {
((iterator || Prototype.K)(value, index) ?
trues : falses).push(value);
});
return [trues, falses];
},
pluck: function(property) {
var results = [];
this.each(function(value, index) {
results.push(value[property]);
});
return results;
},
reject: function(iterator) {
var results = [];
this.each(function(value, index) {
if (!iterator(value, index))
results.push(value);
});
return results;
},
sortBy: function(iterator) {
return this.map(function(value, index) {
return {value: value, criteria: iterator(value, index)};
}).sort(function(left, right) {
var a = left.criteria, b = right.criteria;
return a < b ? -1 : a > b ? 1 : 0;
}).pluck('value');
},
toArray: function() {
return this.map();
},
zip: function() {
var iterator = Prototype.K, args = $A(arguments);
if (typeof args.last() == 'function')
iterator = args.pop();
var collections = [this].concat(args).map($A);
return this.map(function(value, index) {
return iterator(collections.pluck(index));
});
},
size: function() {
return this.toArray().length;
},
inspect: function() {
return '#<Enumerable:' + this.toArray().inspect() + '>';
}
}
Object.extend(Enumerable, {
map:     Enumerable.collect,
find:    Enumerable.detect,
select:  Enumerable.findAll,
member:  Enumerable.include,
entries: Enumerable.toArray
});
var $A = Array.from = function(iterable) {
if (!iterable) return [];
if (iterable.toArray) {
return iterable.toArray();
} else {
var results = [];
for (var i = 0, length = iterable.length; i < length; i++)
results.push(iterable[i]);
return results;
}
}
if (Prototype.Browser.WebKit) {
$A = Array.from = function(iterable) {
if (!iterable) return [];
if (!(typeof iterable == 'function' && iterable == '[object NodeList]') &&
iterable.toArray) {
return iterable.toArray();
} else {
var results = [];
for (var i = 0, length = iterable.length; i < length; i++)
results.push(iterable[i]);
return results;
}
}
}
Object.extend(Array.prototype, Enumerable);
if (!Array.prototype._reverse)
Array.prototype._reverse = Array.prototype.reverse;
Object.extend(Array.prototype, {
_each: function(iterator) {
for (var i = 0, length = this.length; i < length; i++)
iterator(this[i]);
},
clear: function() {
this.length = 0;
return this;
},
first: function() {
return this[0];
},
last: function() {
return this[this.length - 1];
},
compact: function() {
return this.select(function(value) {
return value != null;
});
},
flatten: function() {
return this.inject([], function(array, value) {
return array.concat(value && value.constructor == Array ?
value.flatten() : [value]);
});
},
without: function() {
var values = $A(arguments);
return this.select(function(value) {
return !values.include(value);
});
},
indexOf: function(object) {
for (var i = 0, length = this.length; i < length; i++)
if (this[i] == object) return i;
return -1;
},
reverse: function(inline) {
return (inline !== false ? this : this.toArray())._reverse();
},
reduce: function() {
return this.length > 1 ? this : this[0];
},
uniq: function(sorted) {
return this.inject([], function(array, value, index) {
if (0 == index || (sorted ? array.last() != value : !array.include(value)))
array.push(value);
return array;
});
},
clone: function() {
return [].concat(this);
},
size: function() {
return this.length;
},
inspect: function() {
return '[' + this.map(Object.inspect).join(', ') + ']';
},
toJSON: function() {
var results = [];
this.each(function(object) {
var value = Object.toJSON(object);
if (value !== undefined) results.push(value);
});
return '[' + results.join(', ') + ']';
}
});
Array.prototype.toArray = Array.prototype.clone;
function $w(string) {
string = string.strip();
return string ? string.split(/\s+/) : [];
}
if (Prototype.Browser.Opera){
Array.prototype.concat = function() {
var array = [];
for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
for (var i = 0, length = arguments.length; i < length; i++) {
if (arguments[i].constructor == Array) {
for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
array.push(arguments[i][j]);
} else {
array.push(arguments[i]);
}
}
return array;
}
}
var Hash = function(object) {
if (object instanceof Hash) this.merge(object);
else Object.extend(this, object || {});
};
Object.extend(Hash, {
toQueryString: function(obj) {
var parts = [];
parts.add = arguments.callee.addPair;
this.prototype._each.call(obj, function(pair) {
if (!pair.key) return;
var value = pair.value;
if (value && typeof value == 'object') {
if (value.constructor == Array) value.each(function(value) {
parts.add(pair.key, value);
});
return;
}
parts.add(pair.key, value);
});
return parts.join('&');
},
toJSON: function(object) {
var results = [];
this.prototype._each.call(object, function(pair) {
var value = Object.toJSON(pair.value);
if (value !== undefined) results.push(pair.key.toJSON() + ': ' + value);
});
return '{' + results.join(', ') + '}';
}
});
Hash.toQueryString.addPair = function(key, value, prefix) {
key = encodeURIComponent(key);
if (value === undefined) this.push(key);
else this.push(key + '=' + (value == null ? '' : encodeURIComponent(value)));
}
Object.extend(Hash.prototype, Enumerable);
Object.extend(Hash.prototype, {
_each: function(iterator) {
for (var key in this) {
var value = this[key];
if (value && value == Hash.prototype[key]) continue;
var pair = [key, value];
pair.key = key;
pair.value = value;
iterator(pair);
}
},
keys: function() {
return this.pluck('key');
},
values: function() {
return this.pluck('value');
},
merge: function(hash) {
return $H(hash).inject(this, function(mergedHash, pair) {
mergedHash[pair.key] = pair.value;
return mergedHash;
});
},
remove: function() {
var result;
for(var i = 0, length = arguments.length; i < length; i++) {
var value = this[arguments[i]];
if (value !== undefined){
if (result === undefined) result = value;
else {
if (result.constructor != Array) result = [result];
result.push(value)
}
}
delete this[arguments[i]];
}
return result;
},
toQueryString: function() {
return Hash.toQueryString(this);
},
inspect: function() {
return '#<Hash:{' + this.map(function(pair) {
return pair.map(Object.inspect).join(': ');
}).join(', ') + '}>';
},
toJSON: function() {
return Hash.toJSON(this);
}
});
function $H(object) {
if (object instanceof Hash) return object;
return new Hash(object);
};
// Safari iterates over shadowed properties
if (function() {
var i = 0, Test = function(value) { this.key = value };
Test.prototype.key = 'foo';
for (var property in new Test('bar')) i++;
return i > 1;
}()) Hash.prototype._each = function(iterator) {
var cache = [];
for (var key in this) {
var value = this[key];
if ((value && value == Hash.prototype[key]) || cache.include(key)) continue;
cache.push(key);
var pair = [key, value];
pair.key = key;
pair.value = value;
iterator(pair);
}
};
ObjectRange = Class.create();
Object.extend(ObjectRange.prototype, Enumerable);
Object.extend(ObjectRange.prototype, {
initialize: function(start, end, exclusive) {
this.start = start;
this.end = end;
this.exclusive = exclusive;
},
_each: function(iterator) {
var value = this.start;
while (this.include(value)) {
iterator(value);
value = value.succ();
}
},
include: function(value) {
if (value < this.start)
return false;
if (this.exclusive)
return value < this.end;
return value <= this.end;
}
});
var $R = function(start, end, exclusive) {
return new ObjectRange(start, end, exclusive);
}
var Ajax = {
getTransport: function() {
return Try.these(
function() {return new XMLHttpRequest()},
function() {return new ActiveXObject('Msxml2.XMLHTTP')},
function() {return new ActiveXObject('Microsoft.XMLHTTP')}
) || false;
},
activeRequestCount: 0
}
Ajax.Responders = {
responders: [],
_each: function(iterator) {
this.responders._each(iterator);
},
register: function(responder) {
if (!this.include(responder))
this.responders.push(responder);
},
unregister: function(responder) {
this.responders = this.responders.without(responder);
},
dispatch: function(callback, request, transport, json) {
this.each(function(responder) {
if (typeof responder[callback] == 'function') {
try {
responder[callback].apply(responder, [request, transport, json]);
} catch (e) {}
}
});
}
};
Object.extend(Ajax.Responders, Enumerable);
Ajax.Responders.register({
onCreate: function() {
Ajax.activeRequestCount++;
},
onComplete: function() {
Ajax.activeRequestCount--;
}
});
Ajax.Base = function() {};
Ajax.Base.prototype = {
setOptions: function(options) {
this.options = {
method:       'post',
asynchronous: true,
contentType:  'application/x-www-form-urlencoded',
encoding:     'UTF-8',
parameters:   ''
}
Object.extend(this.options, options || {});
this.options.method = this.options.method.toLowerCase();
if (typeof this.options.parameters == 'string')
this.options.parameters = this.options.parameters.toQueryParams();
}
}
Ajax.Request = Class.create();
Ajax.Request.Events =
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
_complete: false,
initialize: function(url, options) {
this.transport = Ajax.getTransport();
this.setOptions(options);
this.request(url);
},
request: function(url) {
this.url = url;
this.method = this.options.method;
var params = Object.clone(this.options.parameters);
if (!['get', 'post'].include(this.method)) {
// simulate other verbs over post
params['_method'] = this.method;
this.method = 'post';
}
this.parameters = params;
if (params = Hash.toQueryString(params)) {
// when GET, append parameters to URL
if (this.method == 'get')
this.url += (this.url.include('?') ? '&' : '?') + params;
else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
params += '&_=';
}
try {
if (this.options.onCreate) this.options.onCreate(this.transport);
Ajax.Responders.dispatch('onCreate', this, this.transport);
this.transport.open(this.method.toUpperCase(), this.url,
this.options.asynchronous);
if (this.options.asynchronous)
setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);
this.transport.onreadystatechange = this.onStateChange.bind(this);
this.setRequestHeaders();
this.body = this.method == 'post' ? (this.options.postBody || params) : null;
this.transport.send(this.body);
/* Force Firefox to handle ready state 4 for synchronous requests */
if (!this.options.asynchronous && this.transport.overrideMimeType)
this.onStateChange();
}
catch (e) {
this.dispatchException(e);
}
},
onStateChange: function() {
var readyState = this.transport.readyState;
if (readyState > 1 && !((readyState == 4) && this._complete))
this.respondToReadyState(this.transport.readyState);
},
setRequestHeaders: function() {
var headers = {
'X-Requested-With': 'XMLHttpRequest',
'X-Prototype-Version': Prototype.Version,
'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
};
if (this.method == 'post') {
headers['Content-type'] = this.options.contentType +
(this.options.encoding ? '; charset=' + this.options.encoding : '');
/* Force "Connection: close" for older Mozilla browsers to work
* around a bug where XMLHttpRequest sends an incorrect
* Content-length header. See Mozilla Bugzilla #246651.
*/
if (this.transport.overrideMimeType &&
(navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
headers['Connection'] = 'close';
}
// user-defined headers
if (typeof this.options.requestHeaders == 'object') {
var extras = this.options.requestHeaders;
if (typeof extras.push == 'function')
for (var i = 0, length = extras.length; i < length; i += 2)
headers[extras[i]] = extras[i+1];
else
$H(extras).each(function(pair) { headers[pair.key] = pair.value });
}
for (var name in headers)
this.transport.setRequestHeader(name, headers[name]);
},
success: function() {
return !this.transport.status
|| (this.transport.status >= 200 && this.transport.status < 300);
},
respondToReadyState: function(readyState) {
var state = Ajax.Request.Events[readyState];
var transport = this.transport, json = this.evalJSON();
if (state == 'Complete') {
try {
this._complete = true;
(this.options['on' + this.transport.status]
|| this.options['on' + (this.success() ? 'Success' : 'Failure')]
|| Prototype.emptyFunction)(transport, json);
} catch (e) {
this.dispatchException(e);
}
var contentType = this.getHeader('Content-type');
if (contentType && contentType.strip().
match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))
this.evalResponse();
}
try {
(this.options['on' + state] || Prototype.emptyFunction)(transport, json);
Ajax.Responders.dispatch('on' + state, this, transport, json);
} catch (e) {
this.dispatchException(e);
}
if (state == 'Complete') {
// avoid memory leak in MSIE: clean up
this.transport.onreadystatechange = Prototype.emptyFunction;
}
},
getHeader: function(name) {
try {
return this.transport.getResponseHeader(name);
} catch (e) { return null }
},
evalJSON: function() {
try {
var json = this.getHeader('X-JSON');
return json ? json.evalJSON() : null;
} catch (e) { return null }
},
evalResponse: function() {
try {
return eval((this.transport.responseText || '').unfilterJSON());
} catch (e) {
this.dispatchException(e);
}
},
dispatchException: function(exception) {
(this.options.onException || Prototype.emptyFunction)(this, exception);
Ajax.Responders.dispatch('onException', this, exception);
}
});
Ajax.Updater = Class.create();
Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
initialize: function(container, url, options) {
this.container = {
success: (container.success || container),
failure: (container.failure || (container.success ? null : container))
}
this.transport = Ajax.getTransport();
this.setOptions(options);
var onComplete = this.options.onComplete || Prototype.emptyFunction;
this.options.onComplete = (function(transport, param) {
this.updateContent();
onComplete(transport, param);
}).bind(this);
this.request(url);
},
updateContent: function() {
var receiver = this.container[this.success() ? 'success' : 'failure'];
var response = this.transport.responseText;
if (!this.options.evalScripts) response = response.stripScripts();
if (receiver = $(receiver)) {
if (this.options.insertion)
new this.options.insertion(receiver, response);
else
receiver.update(response);
}
if (this.success()) {
if (this.onComplete)
setTimeout(this.onComplete.bind(this), 10);
}
}
});
Ajax.PeriodicalUpdater = Class.create();
Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
initialize: function(container, url, options) {
this.setOptions(options);
this.onComplete = this.options.onComplete;
this.frequency = (this.options.frequency || 2);
this.decay = (this.options.decay || 1);
this.updater = {};
this.container = container;
this.url = url;
this.start();
},
start: function() {
this.options.onComplete = this.updateComplete.bind(this);
this.onTimerEvent();
},
stop: function() {
this.updater.options.onComplete = undefined;
clearTimeout(this.timer);
(this.onComplete || Prototype.emptyFunction).apply(this, arguments);
},
updateComplete: function(request) {
if (this.options.decay) {
this.decay = (request.responseText == this.lastText ?
this.decay * this.options.decay : 1);
this.lastText = request.responseText;
}
this.timer = setTimeout(this.onTimerEvent.bind(this),
this.decay * this.frequency * 1000);
},
onTimerEvent: function() {
this.updater = new Ajax.Updater(this.container, this.url, this.options);
}
});
function $(element) {
if (arguments.length > 1) {
for (var i = 0, elements = [], length = arguments.length; i < length; i++)
elements.push($(arguments[i]));
return elements;
}
if (typeof element == 'string')
element = document.getElementById(element);
return Element.extend(element);
}
if (Prototype.BrowserFeatures.XPath) {
document._getElementsByXPath = function(expression, parentElement) {
var results = [];
var query = document.evaluate(expression, $(parentElement) || document,
null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
for (var i = 0, length = query.snapshotLength; i < length; i++)
results.push(query.snapshotItem(i));
return results;
};
document.getElementsByClassName = function(className, parentElement) {
var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
return document._getElementsByXPath(q, parentElement);
}
} else document.getElementsByClassName = function(className, parentElement) {
var children = ($(parentElement) || document.body).getElementsByTagName('*');
var elements = [], child, pattern = new RegExp("(^|\\s)" + className + "(\\s|$)");
for (var i = 0, length = children.length; i < length; i++) {
child = children[i];
var elementClassName = child.className;
if (elementClassName.length == 0) continue;
if (elementClassName == className || elementClassName.match(pattern))
elements.push(Element.extend(child));
}
return elements;
};
/*--------------------------------------------------------------------------*/
if (!window.Element) var Element = {};
Element.extend = function(element) {
var F = Prototype.BrowserFeatures;
if (!element || !element.tagName || element.nodeType == 3 ||
element._extended || F.SpecificElementExtensions || element == window)
return element;
var methods = {}, tagName = element.tagName, cache = Element.extend.cache,
T = Element.Methods.ByTag;
// extend methods for all tags (Safari doesn't need this)
if (!F.ElementExtensions) {
Object.extend(methods, Element.Methods),
Object.extend(methods, Element.Methods.Simulated);
}
// extend methods for specific tags
if (T[tagName]) Object.extend(methods, T[tagName]);
for (var property in methods) {
var value = methods[property];
if (typeof value == 'function' && !(property in element))
element[property] = cache.findOrStore(value);
}
element._extended = Prototype.emptyFunction;
return element;
};
Element.extend.cache = {
findOrStore: function(value) {
return this[value] = this[value] || function() {
return value.apply(null, [this].concat($A(arguments)));
}
}
};
Element.Methods = {
visible: function(element) {
return $(element).style.display != 'none';
},
toggle: function(element) {
element = $(element);
Element[Element.visible(element) ? 'hide' : 'show'](element);
return element;
},
hide: function(element) {
$(element).style.display = 'none';
return element;
},
show: function(element) {
$(element).style.display = '';
return element;
},
remove: function(element) {
element = $(element);
element.parentNode.removeChild(element);
return element;
},
update: function(element, html) {
html = typeof html == 'undefined' ? '' : html.toString();
$(element).innerHTML = html.stripScripts();
setTimeout(function() {html.evalScripts()}, 10);
return element;
},
replace: function(element, html) {
element = $(element);
html = typeof html == 'undefined' ? '' : html.toString();
if (element.outerHTML) {
element.outerHTML = html.stripScripts();
} else {
var range = element.ownerDocument.createRange();
range.selectNodeContents(element);
element.parentNode.replaceChild(
range.createContextualFragment(html.stripScripts()), element);
}
setTimeout(function() {html.evalScripts()}, 10);
return element;
},
inspect: function(element) {
element = $(element);
var result = '<' + element.tagName.toLowerCase();
$H({'id': 'id', 'className': 'class'}).each(function(pair) {
var property = pair.first(), attribute = pair.last();
var value = (element[property] || '').toString();
if (value) result += ' ' + attribute + '=' + value.inspect(true);
});
return result + '>';
},
recursivelyCollect: function(element, property) {
element = $(element);
var elements = [];
while (element = element[property])
if (element.nodeType == 1)
elements.push(Element.extend(element));
return elements;
},
ancestors: function(element) {
return $(element).recursivelyCollect('parentNode');
},
descendants: function(element) {
return $A($(element).getElementsByTagName('*')).each(Element.extend);
},
firstDescendant: function(element) {
element = $(element).firstChild;
while (element && element.nodeType != 1) element = element.nextSibling;
return $(element);
},
immediateDescendants: function(element) {
if (!(element = $(element).firstChild)) return [];
while (element && element.nodeType != 1) element = element.nextSibling;
if (element) return [element].concat($(element).nextSiblings());
return [];
},
previousSiblings: function(element) {
return $(element).recursivelyCollect('previousSibling');
},
nextSiblings: function(element) {
return $(element).recursivelyCollect('nextSibling');
},
siblings: function(element) {
element = $(element);
return element.previousSiblings().reverse().concat(element.nextSiblings());
},
match: function(element, selector) {
if (typeof selector == 'string')
selector = new Selector(selector);
return selector.match($(element));
},
up: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return $(element.parentNode);
var ancestors = element.ancestors();
return expression ? Selector.findElement(ancestors, expression, index) :
ancestors[index || 0];
},
down: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return element.firstDescendant();
var descendants = element.descendants();
return expression ? Selector.findElement(descendants, expression, index) :
descendants[index || 0];
},
previous: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
var previousSiblings = element.previousSiblings();
return expression ? Selector.findElement(previousSiblings, expression, index) :
previousSiblings[index || 0];
},
next: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
var nextSiblings = element.nextSiblings();
return expression ? Selector.findElement(nextSiblings, expression, index) :
nextSiblings[index || 0];
},
getElementsBySelector: function() {
var args = $A(arguments), element = $(args.shift());
return Selector.findChildElements(element, args);
},
getElementsByClassName: function(element, className) {
return document.getElementsByClassName(className, element);
},
readAttribute: function(element, name) {
element = $(element);
if (Prototype.Browser.IE) {
if (!element.attributes) return null;
var t = Element._attributeTranslations;
if (t.values[name]) return t.values[name](element, name);
if (t.names[name])  name = t.names[name];
var attribute = element.attributes[name];
return attribute ? attribute.nodeValue : null;
}
return element.getAttribute(name);
},
getHeight: function(element) {
return $(element).getDimensions().height;
},
getWidth: function(element) {
return $(element).getDimensions().width;
},
classNames: function(element) {
return new Element.ClassNames(element);
},
hasClassName: function(element, className) {
if (!(element = $(element))) return;
var elementClassName = element.className;
if (elementClassName.length == 0) return false;
if (elementClassName == className ||
elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
return true;
return false;
},
addClassName: function(element, className) {
if (!(element = $(element))) return;
Element.classNames(element).add(className);
return element;
},
removeClassName: function(element, className) {
if (!(element = $(element))) return;
Element.classNames(element).remove(className);
return element;
},
toggleClassName: function(element, className) {
if (!(element = $(element))) return;
Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className);
return element;
},
observe: function() {
Event.observe.apply(Event, arguments);
return $A(arguments).first();
},
stopObserving: function() {
Event.stopObserving.apply(Event, arguments);
return $A(arguments).first();
},
// removes whitespace-only text node children
cleanWhitespace: function(element) {
element = $(element);
var node = element.firstChild;
while (node) {
var nextNode = node.nextSibling;
if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
element.removeChild(node);
node = nextNode;
}
return element;
},
empty: function(element) {
return $(element).innerHTML.blank();
},
descendantOf: function(element, ancestor) {
element = $(element), ancestor = $(ancestor);
while (element = element.parentNode)
if (element == ancestor) return true;
return false;
},
scrollTo: function(element) {
element = $(element);
var pos = Position.cumulativeOffset(element);
window.scrollTo(pos[0], pos[1]);
return element;
},
getStyle: function(element, style) {
element = $(element);
style = style == 'float' ? 'cssFloat' : style.camelize();
var value = element.style[style];
if (!value) {
var css = document.defaultView.getComputedStyle(element, null);
value = css ? css[style] : null;
}
if (style == 'opacity') return value ? parseFloat(value) : 1.0;
return value == 'auto' ? null : value;
},
getOpacity: function(element) {
return $(element).getStyle('opacity');
},
setStyle: function(element, styles, camelized) {
element = $(element);
var elementStyle = element.style;
for (var property in styles)
if (property == 'opacity') element.setOpacity(styles[property])
else
elementStyle[(property == 'float' || property == 'cssFloat') ?
(elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') :
(camelized ? property : property.camelize())] = styles[property];
return element;
},
setOpacity: function(element, value) {
element = $(element);
element.style.opacity = (value == 1 || value === '') ? '' :
(value < 0.00001) ? 0 : value;
return element;
},
getDimensions: function(element) {
element = $(element);
var display = $(element).getStyle('display');
if (display != 'none' && display != null) // Safari bug
return {width: element.offsetWidth, height: element.offsetHeight};
// All *Width and *Height properties give 0 on elements with display none,
// so enable the element temporarily
var els = element.style;
var originalVisibility = els.visibility;
var originalPosition = els.position;
var originalDisplay = els.display;
els.visibility = 'hidden';
els.position = 'absolute';
els.display = 'block';
var originalWidth = element.clientWidth;
var originalHeight = element.clientHeight;
els.display = originalDisplay;
els.position = originalPosition;
els.visibility = originalVisibility;
return {width: originalWidth, height: originalHeight};
},
makePositioned: function(element) {
element = $(element);
var pos = Element.getStyle(element, 'position');
if (pos == 'static' || !pos) {
element._madePositioned = true;
element.style.position = 'relative';
// Opera returns the offset relative to the positioning context, when an
// element is position relative but top and left have not been defined
if (window.opera) {
element.style.top = 0;
element.style.left = 0;
}
}
return element;
},
undoPositioned: function(element) {
element = $(element);
if (element._madePositioned) {
element._madePositioned = undefined;
element.style.position =
element.style.top =
element.style.left =
element.style.bottom =
element.style.right = '';
}
return element;
},
makeClipping: function(element) {
element = $(element);
if (element._overflow) return element;
element._overflow = element.style.overflow || 'auto';
if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
element.style.overflow = 'hidden';
return element;
},
undoClipping: function(element) {
element = $(element);
if (!element._overflow) return element;
element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
element._overflow = null;
return element;
}
};
Object.extend(Element.Methods, {
childOf: Element.Methods.descendantOf,
childElements: Element.Methods.immediateDescendants
});
if (Prototype.Browser.Opera) {
Element.Methods._getStyle = Element.Methods.getStyle;
Element.Methods.getStyle = function(element, style) {
switch(style) {
case 'left':
case 'top':
case 'right':
case 'bottom':
if (Element._getStyle(element, 'position') == 'static') return null;
default: return Element._getStyle(element, style);
}
};
}
else if (Prototype.Browser.IE) {
Element.Methods.getStyle = function(element, style) {
element = $(element);
style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
var value = element.style[style];
if (!value && element.currentStyle) value = element.currentStyle[style];
if (style == 'opacity') {
if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
if (value[1]) return parseFloat(value[1]) / 100;
return 1.0;
}
if (value == 'auto') {
if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
return element['offset'+style.capitalize()] + 'px';
return null;
}
return value;
};
Element.Methods.setOpacity = function(element, value) {
element = $(element);
var filter = element.getStyle('filter'), style = element.style;
if (value == 1 || value === '') {
style.filter = filter.replace(/alpha\([^\)]*\)/gi,'');
return element;
} else if (value < 0.00001) value = 0;
style.filter = filter.replace(/alpha\([^\)]*\)/gi, '') +
'alpha(opacity=' + (value * 100) + ')';
return element;
};
// IE is missing .innerHTML support for TABLE-related elements
Element.Methods.update = function(element, html) {
element = $(element);
html = typeof html == 'undefined' ? '' : html.toString();
var tagName = element.tagName.toUpperCase();
if (['THEAD','TBODY','TR','TD'].include(tagName)) {
var div = document.createElement('div');
switch (tagName) {
case 'THEAD':
case 'TBODY':
div.innerHTML = '<table><tbody>' +  html.stripScripts() + '</tbody></table>';
depth = 2;
break;
case 'TR':
div.innerHTML = '<table><tbody><tr>' +  html.stripScripts() + '</tr></tbody></table>';
depth = 3;
break;
case 'TD':
div.innerHTML = '<table><tbody><tr><td>' +  html.stripScripts() + '</td></tr></tbody></table>';
depth = 4;
}
$A(element.childNodes).each(function(node) { element.removeChild(node) });
depth.times(function() { div = div.firstChild });
$A(div.childNodes).each(function(node) { element.appendChild(node) });
} else {
element.innerHTML = html.stripScripts();
}
setTimeout(function() { html.evalScripts() }, 10);
return element;
}
}
else if (Prototype.Browser.Gecko) {
Element.Methods.setOpacity = function(element, value) {
element = $(element);
element.style.opacity = (value == 1) ? 0.999999 :
(value === '') ? '' : (value < 0.00001) ? 0 : value;
return element;
};
}
Element._attributeTranslations = {
names: {
colspan:   "colSpan",
rowspan:   "rowSpan",
valign:    "vAlign",
datetime:  "dateTime",
accesskey: "accessKey",
tabindex:  "tabIndex",
enctype:   "encType",
maxlength: "maxLength",
readonly:  "readOnly",
longdesc:  "longDesc"
},
values: {
_getAttr: function(element, attribute) {
return element.getAttribute(attribute, 2);
},
_flag: function(element, attribute) {
return $(element).hasAttribute(attribute) ? attribute : null;
},
style: function(element) {
return element.style.cssText.toLowerCase();
},
title: function(element) {
var node = element.getAttributeNode('title');
return node.specified ? node.nodeValue : null;
}
}
};
(function() {
Object.extend(this, {
href: this._getAttr,
src:  this._getAttr,
type: this._getAttr,
disabled: this._flag,
checked:  this._flag,
readonly: this._flag,
multiple: this._flag
});
}).call(Element._attributeTranslations.values);
Element.Methods.Simulated = {
hasAttribute: function(element, attribute) {
var t = Element._attributeTranslations, node;
attribute = t.names[attribute] || attribute;
node = $(element).getAttributeNode(attribute);
return node && node.specified;
}
};
Element.Methods.ByTag = {};
Object.extend(Element, Element.Methods);
if (!Prototype.BrowserFeatures.ElementExtensions &&
document.createElement('div').__proto__) {
window.HTMLElement = {};
window.HTMLElement.prototype = document.createElement('div').__proto__;
Prototype.BrowserFeatures.ElementExtensions = true;
}
Element.hasAttribute = function(element, attribute) {
if (element.hasAttribute) return element.hasAttribute(attribute);
return Element.Methods.Simulated.hasAttribute(element, attribute);
};
Element.addMethods = function(methods) {
var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
if (!methods) {
Object.extend(Form, Form.Methods);
Object.extend(Form.Element, Form.Element.Methods);
Object.extend(Element.Methods.ByTag, {
"FORM":     Object.clone(Form.Methods),
"INPUT":    Object.clone(Form.Element.Methods),
"SELECT":   Object.clone(Form.Element.Methods),
"TEXTAREA": Object.clone(Form.Element.Methods)
});
}
if (arguments.length == 2) {
var tagName = methods;
methods = arguments[1];
}
if (!tagName) Object.extend(Element.Methods, methods || {});
else {
if (tagName.constructor == Array) tagName.each(extend);
else extend(tagName);
}
function extend(tagName) {
tagName = tagName.toUpperCase();
if (!Element.Methods.ByTag[tagName])
Element.Methods.ByTag[tagName] = {};
Object.extend(Element.Methods.ByTag[tagName], methods);
}
function copy(methods, destination, onlyIfAbsent) {
onlyIfAbsent = onlyIfAbsent || false;
var cache = Element.extend.cache;
for (var property in methods) {
var value = methods[property];
if (!onlyIfAbsent || !(property in destination))
destination[property] = cache.findOrStore(value);
}
}
function findDOMClass(tagName) {
var klass;
var trans = {
"OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
"FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
"DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
"H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
"INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
"TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
"TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
"TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
"FrameSet", "IFRAME": "IFrame"
};
if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
if (window[klass]) return window[klass];
klass = 'HTML' + tagName + 'Element';
if (window[klass]) return window[klass];
klass = 'HTML' + tagName.capitalize() + 'Element';
if (window[klass]) return window[klass];
window[klass] = {};
window[klass].prototype = document.createElement(tagName).__proto__;
return window[klass];
}
if (F.ElementExtensions) {
copy(Element.Methods, HTMLElement.prototype);
copy(Element.Methods.Simulated, HTMLElement.prototype, true);
}
if (F.SpecificElementExtensions) {
for (var tag in Element.Methods.ByTag) {
var klass = findDOMClass(tag);
if (typeof klass == "undefined") continue;
copy(T[tag], klass.prototype);
}
}
Object.extend(Element, Element.Methods);
delete Element.ByTag;
};
var Toggle = { display: Element.toggle };
/*--------------------------------------------------------------------------*/
Abstract.Insertion = function(adjacency) {
this.adjacency = adjacency;
}
Abstract.Insertion.prototype = {
initialize: function(element, content) {
this.element = $(element);
this.content = content.stripScripts();
if (this.adjacency && this.element.insertAdjacentHTML) {
try {
this.element.insertAdjacentHTML(this.adjacency, this.content);
} catch (e) {
var tagName = this.element.tagName.toUpperCase();
if (['TBODY', 'TR'].include(tagName)) {
this.insertContent(this.contentFromAnonymousTable());
} else {
throw e;
}
}
} else {
this.range = this.element.ownerDocument.createRange();
if (this.initializeRange) this.initializeRange();
this.insertContent([this.range.createContextualFragment(this.content)]);
}
setTimeout(function() {content.evalScripts()}, 10);
},
contentFromAnonymousTable: function() {
var div = document.createElement('div');
div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
return $A(div.childNodes[0].childNodes[0].childNodes);
}
}
var Insertion = new Object();
Insertion.Before = Class.create();
Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
initializeRange: function() {
this.range.setStartBefore(this.element);
},
insertContent: function(fragments) {
fragments.each((function(fragment) {
this.element.parentNode.insertBefore(fragment, this.element);
}).bind(this));
}
});
Insertion.Top = Class.create();
Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
initializeRange: function() {
this.range.selectNodeContents(this.element);
this.range.collapse(true);
},
insertContent: function(fragments) {
fragments.reverse(false).each((function(fragment) {
this.element.insertBefore(fragment, this.element.firstChild);
}).bind(this));
}
});
Insertion.Bottom = Class.create();
Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
initializeRange: function() {
this.range.selectNodeContents(this.element);
this.range.collapse(this.element);
},
insertContent: function(fragments) {
fragments.each((function(fragment) {
this.element.appendChild(fragment);
}).bind(this));
}
});
Insertion.After = Class.create();
Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
initializeRange: function() {
this.range.setStartAfter(this.element);
},
insertContent: function(fragments) {
fragments.each((function(fragment) {
this.element.parentNode.insertBefore(fragment,
this.element.nextSibling);
}).bind(this));
}
});
/*--------------------------------------------------------------------------*/
Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
initialize: function(element) {
this.element = $(element);
},
_each: function(iterator) {
this.element.className.split(/\s+/).select(function(name) {
return name.length > 0;
})._each(iterator);
},
set: function(className) {
this.element.className = className;
},
add: function(classNameToAdd) {
if (this.include(classNameToAdd)) return;
this.set($A(this).concat(classNameToAdd).join(' '));
},
remove: function(classNameToRemove) {
if (!this.include(classNameToRemove)) return;
this.set($A(this).without(classNameToRemove).join(' '));
},
toString: function() {
return $A(this).join(' ');
}
};
Object.extend(Element.ClassNames.prototype, Enumerable);
/* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
* part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
* license.  Please see http://www.yui-ext.com/ for more information. */
var Selector = Class.create();
Selector.prototype = {
initialize: function(expression) {
this.expression = expression.strip();
this.compileMatcher();
},
compileMatcher: function() {
// Selectors with namespaced attributes can't use the XPath version
if (Prototype.BrowserFeatures.XPath && !(/\[[\w-]*?:/).test(this.expression))
return this.compileXPathMatcher();
var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
c = Selector.criteria, le, p, m;
if (Selector._cache[e]) {
this.matcher = Selector._cache[e]; return;
}
this.matcher = ["this.matcher = function(root) {",
"var r = root, h = Selector.handlers, c = false, n;"];
while (e && le != e && (/\S/).test(e)) {
le = e;
for (var i in ps) {
p = ps[i];
if (m = e.match(p)) {
this.matcher.push(typeof c[i] == 'function' ? c[i](m) :
new Template(c[i]).evaluate(m));
e = e.replace(m[0], '');
break;
}
}
}
this.matcher.push("return h.unique(n);\n}");
eval(this.matcher.join('\n'));
Selector._cache[this.expression] = this.matcher;
},
compileXPathMatcher: function() {
var e = this.expression, ps = Selector.patterns,
x = Selector.xpath, le,  m;
if (Selector._cache[e]) {
this.xpath = Selector._cache[e]; return;
}
this.matcher = ['.//*'];
while (e && le != e && (/\S/).test(e)) {
le = e;
for (var i in ps) {
if (m = e.match(ps[i])) {
this.matcher.push(typeof x[i] == 'function' ? x[i](m) :
new Template(x[i]).evaluate(m));
e = e.replace(m[0], '');
break;
}
}
}
this.xpath = this.matcher.join('');
Selector._cache[this.expression] = this.xpath;
},
findElements: function(root) {
root = root || document;
if (this.xpath) return document._getElementsByXPath(this.xpath, root);
return this.matcher(root);
},
match: function(element) {
return this.findElements(document).include(element);
},
toString: function() {
return this.expression;
},
inspect: function() {
return "#<Selector:" + this.expression.inspect() + ">";
}
};
Object.extend(Selector, {
_cache: {},
xpath: {
descendant:   "//*",
child:        "/*",
adjacent:     "/following-sibling::*[1]",
laterSibling: '/following-sibling::*',
tagName:      function(m) {
if (m[1] == '*') return '';
return "[local-name()='" + m[1].toLowerCase() +
"' or local-name()='" + m[1].toUpperCase() + "']";
},
className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
id:           "[@id='#{1}']",
attrPresence: "[@#{1}]",
attr: function(m) {
m[3] = m[5] || m[6];
return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
},
pseudo: function(m) {
var h = Selector.xpath.pseudos[m[1]];
if (!h) return '';
if (typeof h === 'function') return h(m);
return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
},
operators: {
'=':  "[@#{1}='#{3}']",
'!=': "[@#{1}!='#{3}']",
'^=': "[starts-with(@#{1}, '#{3}')]",
'$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
'*=': "[contains(@#{1}, '#{3}')]",
'~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
'|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
},
pseudos: {
'first-child': '[not(preceding-sibling::*)]',
'last-child':  '[not(following-sibling::*)]',
'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
'empty':       "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
'checked':     "[@checked]",
'disabled':    "[@disabled]",
'enabled':     "[not(@disabled)]",
'not': function(m) {
var e = m[6], p = Selector.patterns,
x = Selector.xpath, le, m, v;
var exclusion = [];
while (e && le != e && (/\S/).test(e)) {
le = e;
for (var i in p) {
if (m = e.match(p[i])) {
v = typeof x[i] == 'function' ? x[i](m) : new Template(x[i]).evaluate(m);
exclusion.push("(" + v.substring(1, v.length - 1) + ")");
e = e.replace(m[0], '');
break;
}
}
}
return "[not(" + exclusion.join(" and ") + ")]";
},
'nth-child':      function(m) {
return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
},
'nth-last-child': function(m) {
return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
},
'nth-of-type':    function(m) {
return Selector.xpath.pseudos.nth("position() ", m);
},
'nth-last-of-type': function(m) {
return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
},
'first-of-type':  function(m) {
m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
},
'last-of-type':   function(m) {
m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
},
'only-of-type':   function(m) {
var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
},
nth: function(fragment, m) {
var mm, formula = m[6], predicate;
if (formula == 'even') formula = '2n+0';
if (formula == 'odd')  formula = '2n+1';
if (mm = formula.match(/^(\d+)$/)) // digit only
return '[' + fragment + "= " + mm[1] + ']';
if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
if (mm[1] == "-") mm[1] = -1;
var a = mm[1] ? Number(mm[1]) : 1;
var b = mm[2] ? Number(mm[2]) : 0;
predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
"((#{fragment} - #{b}) div #{a} >= 0)]";
return new Template(predicate).evaluate({
fragment: fragment, a: a, b: b });
}
}
}
},
criteria: {
tagName:      'n = h.tagName(n, r, "#{1}", c);   c = false;',
className:    'n = h.className(n, r, "#{1}", c); c = false;',
id:           'n = h.id(n, r, "#{1}", c);        c = false;',
attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;',
attr: function(m) {
m[3] = (m[5] || m[6]);
return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m);
},
pseudo:       function(m) {
if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
},
descendant:   'c = "descendant";',
child:        'c = "child";',
adjacent:     'c = "adjacent";',
laterSibling: 'c = "laterSibling";'
},
patterns: {
// combinators must be listed first
// (and descendant needs to be last combinator)
laterSibling: /^\s*~\s*/,
child:        /^\s*>\s*/,
adjacent:     /^\s*\+\s*/,
descendant:   /^\s/,
// selectors follow
tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
id:           /^#([\w\-\*]+)(\b|$)/,
className:    /^\.([\w\-\*]+)(\b|$)/,
pseudo:       /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s|(?=:))/,
attrPresence: /^\[([\w]+)\]/,
attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/
},
handlers: {
// UTILITY FUNCTIONS
// joins two collections
concat: function(a, b) {
for (var i = 0, node; node = b[i]; i++)
a.push(node);
return a;
},
// marks an array of nodes for counting
mark: function(nodes) {
for (var i = 0, node; node = nodes[i]; i++)
node._counted = true;
return nodes;
},
unmark: function(nodes) {
for (var i = 0, node; node = nodes[i]; i++)
node._counted = undefined;
return nodes;
},
// mark each child node with its position (for nth calls)
// "ofType" flag indicates whether we're indexing for nth-of-type
// rather than nth-child
index: function(parentNode, reverse, ofType) {
parentNode._counted = true;
if (reverse) {
for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
node = nodes[i];
if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
}
} else {
for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
}
},
// filters out duplicates and extends all nodes
unique: function(nodes) {
if (nodes.length == 0) return nodes;
var results = [], n;
for (var i = 0, l = nodes.length; i < l; i++)
if (!(n = nodes[i])._counted) {
n._counted = true;
results.push(Element.extend(n));
}
return Selector.handlers.unmark(results);
},
// COMBINATOR FUNCTIONS
descendant: function(nodes) {
var h = Selector.handlers;
for (var i = 0, results = [], node; node = nodes[i]; i++)
h.concat(results, node.getElementsByTagName('*'));
return results;
},
child: function(nodes) {
var h = Selector.handlers;
for (var i = 0, results = [], node; node = nodes[i]; i++) {
for (var j = 0, children = [], child; child = node.childNodes[j]; j++)
if (child.nodeType == 1 && child.tagName != '!') results.push(child);
}
return results;
},
adjacent: function(nodes) {
for (var i = 0, results = [], node; node = nodes[i]; i++) {
var next = this.nextElementSibling(node);
if (next) results.push(next);
}
return results;
},
laterSibling: function(nodes) {
var h = Selector.handlers;
for (var i = 0, results = [], node; node = nodes[i]; i++)
h.concat(results, Element.nextSiblings(node));
return results;
},
nextElementSibling: function(node) {
while (node = node.nextSibling)
if (node.nodeType == 1) return node;
return null;
},
previousElementSibling: function(node) {
while (node = node.previousSibling)
if (node.nodeType == 1) return node;
return null;
},
// TOKEN FUNCTIONS
tagName: function(nodes, root, tagName, combinator) {
tagName = tagName.toUpperCase();
var results = [], h = Selector.handlers;
if (nodes) {
if (combinator) {
// fastlane for ordinary descendant combinators
if (combinator == "descendant") {
for (var i = 0, node; node = nodes[i]; i++)
h.concat(results, node.getElementsByTagName(tagName));
return results;
} else nodes = this[combinator](nodes);
if (tagName == "*") return nodes;
}
for (var i = 0, node; node = nodes[i]; i++)
if (node.tagName.toUpperCase() == tagName) results.push(node);
return results;
} else return root.getElementsByTagName(tagName);
},
id: function(nodes, root, id, combinator) {
var targetNode = $(id), h = Selector.handlers;
if (!nodes && root == document) return targetNode ? [targetNode] : [];
if (nodes) {
if (combinator) {
if (combinator == 'child') {
for (var i = 0, node; node = nodes[i]; i++)
if (targetNode.parentNode == node) return [targetNode];
} else if (combinator == 'descendant') {
for (var i = 0, node; node = nodes[i]; i++)
if (Element.descendantOf(targetNode, node)) return [targetNode];
} else if (combinator == 'adjacent') {
for (var i = 0, node; node = nodes[i]; i++)
if (Selector.handlers.previousElementSibling(targetNode) == node)
return [targetNode];
} else nodes = h[combinator](nodes);
}
for (var i = 0, node; node = nodes[i]; i++)
if (node == targetNode) return [targetNode];
return [];
}
return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
},
className: function(nodes, root, className, combinator) {
if (nodes && combinator) nodes = this[combinator](nodes);
return Selector.handlers.byClassName(nodes, root, className);
},
byClassName: function(nodes, root, className) {
if (!nodes) nodes = Selector.handlers.descendant([root]);
var needle = ' ' + className + ' ';
for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
nodeClassName = node.className;
if (nodeClassName.length == 0) continue;
if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
results.push(node);
}
return results;
},
attrPresence: function(nodes, root, attr) {
var results = [];
for (var i = 0, node; node = nodes[i]; i++)
if (Element.hasAttribute(node, attr)) results.push(node);
return results;
},
attr: function(nodes, root, attr, value, operator) {
if (!nodes) nodes = root.getElementsByTagName("*");
var handler = Selector.operators[operator], results = [];
for (var i = 0, node; node = nodes[i]; i++) {
var nodeValue = Element.readAttribute(node, attr);
if (nodeValue === null) continue;
if (handler(nodeValue, value)) results.push(node);
}
return results;
},
pseudo: function(nodes, name, value, root, combinator) {
if (nodes && combinator) nodes = this[combinator](nodes);
if (!nodes) nodes = root.getElementsByTagName("*");
return Selector.pseudos[name](nodes, value, root);
}
},
pseudos: {
'first-child': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++) {
if (Selector.handlers.previousElementSibling(node)) continue;
results.push(node);
}
return results;
},
'last-child': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++) {
if (Selector.handlers.nextElementSibling(node)) continue;
results.push(node);
}
return results;
},
'only-child': function(nodes, value, root) {
var h = Selector.handlers;
for (var i = 0, results = [], node; node = nodes[i]; i++)
if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
results.push(node);
return results;
},
'nth-child':        function(nodes, formula, root) {
return Selector.pseudos.nth(nodes, formula, root);
},
'nth-last-child':   function(nodes, formula, root) {
return Selector.pseudos.nth(nodes, formula, root, true);
},
'nth-of-type':      function(nodes, formula, root) {
return Selector.pseudos.nth(nodes, formula, root, false, true);
},
'nth-last-of-type': function(nodes, formula, root) {
return Selector.pseudos.nth(nodes, formula, root, true, true);
},
'first-of-type':    function(nodes, formula, root) {
return Selector.pseudos.nth(nodes, "1", root, false, true);
},
'last-of-type':     function(nodes, formula, root) {
return Selector.pseudos.nth(nodes, "1", root, true, true);
},
'only-of-type':     function(nodes, formula, root) {
var p = Selector.pseudos;
return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
},
// handles the an+b logic
getIndices: function(a, b, total) {
if (a == 0) return b > 0 ? [b] : [];
return $R(1, total).inject([], function(memo, i) {
if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
return memo;
});
},
// handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
nth: function(nodes, formula, root, reverse, ofType) {
if (nodes.length == 0) return [];
if (formula == 'even') formula = '2n+0';
if (formula == 'odd')  formula = '2n+1';
var h = Selector.handlers, results = [], indexed = [], m;
h.mark(nodes);
for (var i = 0, node; node = nodes[i]; i++) {
if (!node.parentNode._counted) {
h.index(node.parentNode, reverse, ofType);
indexed.push(node.parentNode);
}
}
if (formula.match(/^\d+$/)) { // just a number
formula = Number(formula);
for (var i = 0, node; node = nodes[i]; i++)
if (node.nodeIndex == formula) results.push(node);
} else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
if (m[1] == "-") m[1] = -1;
var a = m[1] ? Number(m[1]) : 1;
var b = m[2] ? Number(m[2]) : 0;
var indices = Selector.pseudos.getIndices(a, b, nodes.length);
for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
for (var j = 0; j < l; j++)
if (node.nodeIndex == indices[j]) results.push(node);
}
}
h.unmark(nodes);
h.unmark(indexed);
return results;
},
'empty': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++) {
// IE treats comments as element nodes
if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
results.push(node);
}
return results;
},
'not': function(nodes, selector, root) {
var h = Selector.handlers, selectorType, m;
var exclusions = new Selector(selector).findElements(root);
h.mark(exclusions);
for (var i = 0, results = [], node; node = nodes[i]; i++)
if (!node._counted) results.push(node);
h.unmark(exclusions);
return results;
},
'enabled': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++)
if (!node.disabled) results.push(node);
return results;
},
'disabled': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++)
if (node.disabled) results.push(node);
return results;
},
'checked': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++)
if (node.checked) results.push(node);
return results;
}
},
operators: {
'=':  function(nv, v) { return nv == v; },
'!=': function(nv, v) { return nv != v; },
'^=': function(nv, v) { return nv.startsWith(v); },
'$=': function(nv, v) { return nv.endsWith(v); },
'*=': function(nv, v) { return nv.include(v); },
'~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
'|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
},
matchElements: function(elements, expression) {
var matches = new Selector(expression).findElements(), h = Selector.handlers;
h.mark(matches);
for (var i = 0, results = [], element; element = elements[i]; i++)
if (element._counted) results.push(element);
h.unmark(matches);
return results;
},
findElement: function(elements, expression, index) {
if (typeof expression == 'number') {
index = expression; expression = false;
}
return Selector.matchElements(elements, expression || '*')[index || 0];
},
findChildElements: function(element, expressions) {
var exprs = expressions.join(','), expressions = [];
exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
expressions.push(m[1].strip());
});
var results = [], h = Selector.handlers;
for (var i = 0, l = expressions.length, selector; i < l; i++) {
selector = new Selector(expressions[i].strip());
h.concat(results, selector.findElements(element));
}
return (l > 1) ? h.unique(results) : results;
}
});
function $$() {
return Selector.findChildElements(document, $A(arguments));
}
var Form = {
reset: function(form) {
$(form).reset();
return form;
},
serializeElements: function(elements, getHash) {
var data = elements.inject({}, function(result, element) {
if (!element.disabled && element.name) {
var key = element.name, value = $(element).getValue();
if (value != null) {
if (key in result) {
if (result[key].constructor != Array) result[key] = [result[key]];
result[key].push(value);
}
else result[key] = value;
}
}
return result;
});
return getHash ? data : Hash.toQueryString(data);
}
};
Form.Methods = {
serialize: function(form, getHash) {
return Form.serializeElements(Form.getElements(form), getHash);
},
getElements: function(form) {
return $A($(form).getElementsByTagName('*')).inject([],
function(elements, child) {
if (Form.Element.Serializers[child.tagName.toLowerCase()])
elements.push(Element.extend(child));
return elements;
}
);
},
getInputs: function(form, typeName, name) {
form = $(form);
var inputs = form.getElementsByTagName('input');
if (!typeName && !name) return $A(inputs).map(Element.extend);
for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
var input = inputs[i];
if ((typeName && input.type != typeName) || (name && input.name != name))
continue;
matchingInputs.push(Element.extend(input));
}
return matchingInputs;
},
disable: function(form) {
form = $(form);
Form.getElements(form).invoke('disable');
return form;
},
enable: function(form) {
form = $(form);
Form.getElements(form).invoke('enable');
return form;
},
findFirstElement: function(form) {
return $(form).getElements().find(function(element) {
return element.type != 'hidden' && !element.disabled &&
['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
});
},
focusFirstElement: function(form) {
form = $(form);
form.findFirstElement().activate();
return form;
},
request: function(form, options) {
form = $(form), options = Object.clone(options || {});
var params = options.parameters;
options.parameters = form.serialize(true);
if (params) {
if (typeof params == 'string') params = params.toQueryParams();
Object.extend(options.parameters, params);
}
if (form.hasAttribute('method') && !options.method)
options.method = form.method;
return new Ajax.Request(form.readAttribute('action'), options);
}
}
/*--------------------------------------------------------------------------*/
Form.Element = {
focus: function(element) {
$(element).focus();
return element;
},
select: function(element) {
$(element).select();
return element;
}
}
Form.Element.Methods = {
serialize: function(element) {
element = $(element);
if (!element.disabled && element.name) {
var value = element.getValue();
if (value != undefined) {
var pair = {};
pair[element.name] = value;
return Hash.toQueryString(pair);
}
}
return '';
},
getValue: function(element) {
element = $(element);
var method = element.tagName.toLowerCase();
return Form.Element.Serializers[method](element);
},
clear: function(element) {
$(element).value = '';
return element;
},
present: function(element) {
return $(element).value != '';
},
activate: function(element) {
element = $(element);
try {
element.focus();
if (element.select && (element.tagName.toLowerCase() != 'input' ||
!['button', 'reset', 'submit'].include(element.type)))
element.select();
} catch (e) {}
return element;
},
disable: function(element) {
element = $(element);
element.blur();
element.disabled = true;
return element;
},
enable: function(element) {
element = $(element);
element.disabled = false;
return element;
}
}
/*--------------------------------------------------------------------------*/
var Field = Form.Element;
var $F = Form.Element.Methods.getValue;
/*--------------------------------------------------------------------------*/
Form.Element.Serializers = {
input: function(element) {
switch (element.type.toLowerCase()) {
case 'checkbox':
case 'radio':
return Form.Element.Serializers.inputSelector(element);
default:
return Form.Element.Serializers.textarea(element);
}
},
inputSelector: function(element) {
return element.checked ? element.value : null;
},
textarea: function(element) {
return element.value;
},
select: function(element) {
return this[element.type == 'select-one' ?
'selectOne' : 'selectMany'](element);
},
selectOne: function(element) {
var index = element.selectedIndex;
return index >= 0 ? this.optionValue(element.options[index]) : null;
},
selectMany: function(element) {
var values, length = element.length;
if (!length) return null;
for (var i = 0, values = []; i < length; i++) {
var opt = element.options[i];
if (opt.selected) values.push(this.optionValue(opt));
}
return values;
},
optionValue: function(opt) {
// extend element because hasAttribute may not be native
return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
}
}
/*--------------------------------------------------------------------------*/
Abstract.TimedObserver = function() {}
Abstract.TimedObserver.prototype = {
initialize: function(element, frequency, callback) {
this.frequency = frequency;
this.element   = $(element);
this.callback  = callback;
this.lastValue = this.getValue();
this.registerCallback();
},
registerCallback: function() {
setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},
onTimerEvent: function() {
var value = this.getValue();
var changed = ('string' == typeof this.lastValue && 'string' == typeof value
? this.lastValue != value : String(this.lastValue) != String(value));
if (changed) {
this.callback(this.element, value);
this.lastValue = value;
}
}
}
Form.Element.Observer = Class.create();
Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
getValue: function() {
return Form.Element.getValue(this.element);
}
});
Form.Observer = Class.create();
Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
getValue: function() {
return Form.serialize(this.element);
}
});
/*--------------------------------------------------------------------------*/
Abstract.EventObserver = function() {}
Abstract.EventObserver.prototype = {
initialize: function(element, callback) {
this.element  = $(element);
this.callback = callback;
this.lastValue = this.getValue();
if (this.element.tagName.toLowerCase() == 'form')
this.registerFormCallbacks();
else
this.registerCallback(this.element);
},
onElementEvent: function() {
var value = this.getValue();
if (this.lastValue != value) {
this.callback(this.element, value);
this.lastValue = value;
}
},
registerFormCallbacks: function() {
Form.getElements(this.element).each(this.registerCallback.bind(this));
},
registerCallback: function(element) {
if (element.type) {
switch (element.type.toLowerCase()) {
case 'checkbox':
case 'radio':
Event.observe(element, 'click', this.onElementEvent.bind(this));
break;
default:
Event.observe(element, 'change', this.onElementEvent.bind(this));
break;
}
}
}
}
Form.Element.EventObserver = Class.create();
Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
getValue: function() {
return Form.Element.getValue(this.element);
}
});
Form.EventObserver = Class.create();
Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
getValue: function() {
return Form.serialize(this.element);
}
});
if (!window.Event) {
var Event = new Object();
}
Object.extend(Event, {
KEY_BACKSPACE: 8,
KEY_TAB:       9,
KEY_RETURN:   13,
KEY_ESC:      27,
KEY_LEFT:     37,
KEY_UP:       38,
KEY_RIGHT:    39,
KEY_DOWN:     40,
KEY_DELETE:   46,
KEY_HOME:     36,
KEY_END:      35,
KEY_PAGEUP:   33,
KEY_PAGEDOWN: 34,
element: function(event) {
return $(event.target || event.srcElement);
},
isLeftClick: function(event) {
return (((event.which) && (event.which == 1)) ||
((event.button) && (event.button == 1)));
},
pointerX: function(event) {
return event.pageX || (event.clientX +
(document.documentElement.scrollLeft || document.body.scrollLeft));
},
pointerY: function(event) {
return event.pageY || (event.clientY +
(document.documentElement.scrollTop || document.body.scrollTop));
},
stop: function(event) {
if (event.preventDefault) {
event.preventDefault();
event.stopPropagation();
} else {
event.returnValue = false;
event.cancelBubble = true;
}
},
// find the first node with the given tagName, starting from the
// node the event was triggered on; traverses the DOM upwards
findElement: function(event, tagName) {
var element = Event.element(event);
while (element.parentNode && (!element.tagName ||
(element.tagName.toUpperCase() != tagName.toUpperCase())))
element = element.parentNode;
return element;
},
observers: false,
_observeAndCache: function(element, name, observer, useCapture) {
if (!this.observers) this.observers = [];
if (element.addEventListener) {
this.observers.push([element, name, observer, useCapture]);
element.addEventListener(name, observer, useCapture);
} else if (element.attachEvent) {
this.observers.push([element, name, observer, useCapture]);
element.attachEvent('on' + name, observer);
}
},
unloadCache: function() {
if (!Event.observers) return;
for (var i = 0, length = Event.observers.length; i < length; i++) {
Event.stopObserving.apply(this, Event.observers[i]);
Event.observers[i][0] = null;
}
Event.observers = false;
},
observe: function(element, name, observer, useCapture) {
element = $(element);
useCapture = useCapture || false;
if (name == 'keypress' &&
(Prototype.Browser.WebKit || element.attachEvent))
name = 'keydown';
Event._observeAndCache(element, name, observer, useCapture);
},
stopObserving: function(element, name, observer, useCapture) {
element = $(element);
useCapture = useCapture || false;
if (name == 'keypress' &&
(Prototype.Browser.WebKit || element.attachEvent))
name = 'keydown';
if (element.removeEventListener) {
element.removeEventListener(name, observer, useCapture);
} else if (element.detachEvent) {
try {
element.detachEvent('on' + name, observer);
} catch (e) {}
}
}
});
/* prevent memory leaks in IE */
if (Prototype.Browser.IE)
Event.observe(window, 'unload', Event.unloadCache, false);
var Position = {
// set to true if needed, warning: firefox performance problems
// NOT neeeded for page scrolling, only if draggable contained in
// scrollable elements
includeScrollOffsets: false,
// must be called before calling withinIncludingScrolloffset, every time the
// page is scrolled
prepare: function() {
this.deltaX =  window.pageXOffset
|| document.documentElement.scrollLeft
|| document.body.scrollLeft
|| 0;
this.deltaY =  window.pageYOffset
|| document.documentElement.scrollTop
|| document.body.scrollTop
|| 0;
},
realOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.scrollTop  || 0;
valueL += element.scrollLeft || 0;
element = element.parentNode;
} while (element);
return [valueL, valueT];
},
cumulativeOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop  || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
} while (element);
return [valueL, valueT];
},
positionedOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop  || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
if (element) {
if(element.tagName=='BODY') break;
var p = Element.getStyle(element, 'position');
if (p == 'relative' || p == 'absolute') break;
}
} while (element);
return [valueL, valueT];
},
offsetParent: function(element) {
if (element.offsetParent) return element.offsetParent;
if (element == document.body) return element;
while ((element = element.parentNode) && element != document.body)
if (Element.getStyle(element, 'position') != 'static')
return element;
return document.body;
},
// caches x/y coordinate pair to use with overlap
within: function(element, x, y) {
if (this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element, x, y);
this.xcomp = x;
this.ycomp = y;
this.offset = this.cumulativeOffset(element);
return (y >= this.offset[1] &&
y <  this.offset[1] + element.offsetHeight &&
x >= this.offset[0] &&
x <  this.offset[0] + element.offsetWidth);
},
withinIncludingScrolloffsets: function(element, x, y) {
var offsetcache = this.realOffset(element);
this.xcomp = x + offsetcache[0] - this.deltaX;
this.ycomp = y + offsetcache[1] - this.deltaY;
this.offset = this.cumulativeOffset(element);
return (this.ycomp >= this.offset[1] &&
this.ycomp <  this.offset[1] + element.offsetHeight &&
this.xcomp >= this.offset[0] &&
this.xcomp <  this.offset[0] + element.offsetWidth);
},
// within must be called directly before
overlap: function(mode, element) {
if (!mode) return 0;
if (mode == 'vertical')
return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
element.offsetHeight;
if (mode == 'horizontal')
return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
element.offsetWidth;
},
page: function(forElement) {
var valueT = 0, valueL = 0;
var element = forElement;
do {
valueT += element.offsetTop  || 0;
valueL += element.offsetLeft || 0;
// Safari fix
if (element.offsetParent == document.body)
if (Element.getStyle(element,'position')=='absolute') break;
} while (element = element.offsetParent);
element = forElement;
do {
if (!window.opera || element.tagName=='BODY') {
valueT -= element.scrollTop  || 0;
valueL -= element.scrollLeft || 0;
}
} while (element = element.parentNode);
return [valueL, valueT];
},
clone: function(source, target) {
var options = Object.extend({
setLeft:    true,
setTop:     true,
setWidth:   true,
setHeight:  true,
offsetTop:  0,
offsetLeft: 0
}, arguments[2] || {})
// find page position of source
source = $(source);
var p = Position.page(source);
// find coordinate system to use
target = $(target);
var delta = [0, 0];
var parent = null;
// delta [0,0] will do fine with position: fixed elements,
// position:absolute needs offsetParent deltas
if (Element.getStyle(target,'position') == 'absolute') {
parent = Position.offsetParent(target);
delta = Position.page(parent);
}
// correct by body offsets (fixes Safari)
if (parent == document.body) {
delta[0] -= document.body.offsetLeft;
delta[1] -= document.body.offsetTop;
}
// set position
if(options.setLeft)   target.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
if(options.setTop)    target.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
if(options.setWidth)  target.style.width = source.offsetWidth + 'px';
if(options.setHeight) target.style.height = source.offsetHeight + 'px';
},
absolutize: function(element) {
element = $(element);
if (element.style.position == 'absolute') return;
Position.prepare();
var offsets = Position.positionedOffset(element);
var top     = offsets[1];
var left    = offsets[0];
var width   = element.clientWidth;
var height  = element.clientHeight;
element._originalLeft   = left - parseFloat(element.style.left  || 0);
element._originalTop    = top  - parseFloat(element.style.top || 0);
element._originalWidth  = element.style.width;
element._originalHeight = element.style.height;
element.style.position = 'absolute';
element.style.top    = top + 'px';
element.style.left   = left + 'px';
element.style.width  = width + 'px';
element.style.height = height + 'px';
},
relativize: function(element) {
element = $(element);
if (element.style.position == 'relative') return;
Position.prepare();
element.style.position = 'relative';
var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
element.style.top    = top + 'px';
element.style.left   = left + 'px';
element.style.height = element._originalHeight;
element.style.width  = element._originalWidth;
}
}
// Safari returns margins on body which is incorrect if the child is absolutely
// positioned.  For performance reasons, redefine Position.cumulativeOffset for
// KHTML/WebKit only.
if (Prototype.Browser.WebKit) {
Position.cumulativeOffset = function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop  || 0;
valueL += element.offsetLeft || 0;
if (element.offsetParent == document.body)
if (Element.getStyle(element, 'position') == 'absolute') break;
element = element.offsetParent;
} while (element);
return [valueL, valueT];
}
}
Element.addMethods();// script.aculo.us scriptaculous.js v1.7.1_beta2, Sat Apr 28 15:20:12 CEST 2007
// Copyright (c) 2005-2007 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// 
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// For details, see the script.aculo.us web site: http://script.aculo.us/
var Scriptaculous = {
Version: '1.7.1_beta2',
require: function(libraryName) {
// inserting via DOM fails in Safari 2.0, so brute force approach
document.write('<script type="text/javascript" src="'+libraryName+'"></script>');
},
REQUIRED_PROTOTYPE: '1.5.1',
load: function() {
function convertVersionString(versionString){
var r = versionString.split('.');
return parseInt(r[0])*100000 + parseInt(r[1])*1000 + parseInt(r[2]);
}
if((typeof Prototype=='undefined') || 
(typeof Element == 'undefined') || 
(typeof Element.Methods=='undefined') ||
(convertVersionString(Prototype.Version) < 
convertVersionString(Scriptaculous.REQUIRED_PROTOTYPE)))
throw("script.aculo.us requires the Prototype JavaScript framework >= " +
Scriptaculous.REQUIRED_PROTOTYPE);
/*
$A(document.getElementsByTagName("script")).findAll( function(s) {
return (s.src && s.src.match(/scriptaculous\.js(\?.*)?$/))
}).each( function(s) {
var path = s.src.replace(/scriptaculous\.js(\?.*)?$/,'');
var includes = s.src.match(/\?.*load=([a-z,]*)/);
(includes ? includes[1] : 'builder,effects,dragdrop,controls,slider,sound').split(',').each(
function(include) { Scriptaculous.require(path+include+'.js') });
});
*/
}
}
Scriptaculous.load();// script.aculo.us effects.js v1.7.1_beta2, Sat Apr 28 15:20:12 CEST 2007
// Copyright (c) 2005-2007 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// Contributors:
//  Justin Palmer (http://encytemedia.com/)
//  Mark Pilgrim (http://diveintomark.org/)
//  Martin Bialasinki
// 
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/ 
// converts rgb() and #xxx to #xxxxxx format,  
// returns self (or first argument) if not convertable  
String.prototype.parseColor = function() {  
var color = '#';
if(this.slice(0,4) == 'rgb(') {  
var cols = this.slice(4,this.length-1).split(',');  
var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);  
} else {  
if(this.slice(0,1) == '#') {  
if(this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();  
if(this.length==7) color = this.toLowerCase();  
}  
}  
return(color.length==7 ? color : (arguments[0] || this));  
}
/*--------------------------------------------------------------------------*/
Element.collectTextNodes = function(element) {  
return $A($(element).childNodes).collect( function(node) {
return (node.nodeType==3 ? node.nodeValue : 
(node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
}).flatten().join('');
}
Element.collectTextNodesIgnoreClass = function(element, className) {  
return $A($(element).childNodes).collect( function(node) {
return (node.nodeType==3 ? node.nodeValue : 
((node.hasChildNodes() && !Element.hasClassName(node,className)) ? 
Element.collectTextNodesIgnoreClass(node, className) : ''));
}).flatten().join('');
}
Element.setContentZoom = function(element, percent) {
element = $(element);  
element.setStyle({fontSize: (percent/100) + 'em'});   
if(Prototype.Browser.WebKit) window.scrollBy(0,0);
return element;
}
Element.getInlineOpacity = function(element){
return $(element).style.opacity || '';
}
Element.forceRerendering = function(element) {
try {
element = $(element);
var n = document.createTextNode(' ');
element.appendChild(n);
element.removeChild(n);
} catch(e) { }
};
/*--------------------------------------------------------------------------*/
Array.prototype.call = function() {
var args = arguments;
this.each(function(f){ f.apply(this, args) });
}
/*--------------------------------------------------------------------------*/
var Effect = {
_elementDoesNotExistError: {
name: 'ElementDoesNotExistError',
message: 'The specified DOM element does not exist, but is required for this effect to operate'
},
tagifyText: function(element) {
if(typeof Builder == 'undefined')
throw("Effect.tagifyText requires including script.aculo.us' builder.js library");
var tagifyStyle = 'position:relative';
if(Prototype.Browser.IE) tagifyStyle += ';zoom:1';
element = $(element);
$A(element.childNodes).each( function(child) {
if(child.nodeType==3) {
child.nodeValue.toArray().each( function(character) {
element.insertBefore(
Builder.node('span',{style: tagifyStyle},
character == ' ' ? String.fromCharCode(160) : character), 
child);
});
Element.remove(child);
}
});
},
multiple: function(element, effect) {
var elements;
if(((typeof element == 'object') || 
(typeof element == 'function')) && 
(element.length))
elements = element;
else
elements = $(element).childNodes;
var options = Object.extend({
speed: 0.1,
delay: 0.0
}, arguments[2] || {});
var masterDelay = options.delay;
$A(elements).each( function(element, index) {
new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
});
},
PAIRS: {
'slide':  ['SlideDown','SlideUp'],
'blind':  ['BlindDown','BlindUp'],
'appear': ['Appear','Fade']
},
toggle: function(element, effect) {
element = $(element);
effect = (effect || 'appear').toLowerCase();
var options = Object.extend({
queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
}, arguments[2] || {});
Effect[element.visible() ? 
Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
}
};
var Effect2 = Effect; // deprecated
/* ------------- transitions ------------- */
Effect.Transitions = {
linear: Prototype.K,
sinoidal: function(pos) {
return (-Math.cos(pos*Math.PI)/2) + 0.5;
},
reverse: function(pos) {
return 1-pos;
},
flicker: function(pos) {
var pos = ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
return (pos > 1 ? 1 : pos);
},
wobble: function(pos) {
return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
},
pulse: function(pos, pulses) { 
pulses = pulses || 5; 
return (
Math.round((pos % (1/pulses)) * pulses) == 0 ? 
((pos * pulses * 2) - Math.floor(pos * pulses * 2)) : 
1 - ((pos * pulses * 2) - Math.floor(pos * pulses * 2))
);
},
none: function(pos) {
return 0;
},
full: function(pos) {
return 1;
}
};
/* ------------- core effects ------------- */
Effect.ScopedQueue = Class.create();
Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {
initialize: function() {
this.effects  = [];
this.interval = null;    
},
_each: function(iterator) {
this.effects._each(iterator);
},
add: function(effect) {
var timestamp = new Date().getTime();
var position = (typeof effect.options.queue == 'string') ? 
effect.options.queue : effect.options.queue.position;
switch(position) {
case 'front':
// move unstarted effects after this effect  
this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
e.startOn  += effect.finishOn;
e.finishOn += effect.finishOn;
});
break;
case 'with-last':
timestamp = this.effects.pluck('startOn').max() || timestamp;
break;
case 'end':
// start effect after last queued effect has finished
timestamp = this.effects.pluck('finishOn').max() || timestamp;
break;
}
effect.startOn  += timestamp;
effect.finishOn += timestamp;
if(!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
this.effects.push(effect);
if(!this.interval)
this.interval = setInterval(this.loop.bind(this), 15);
},
remove: function(effect) {
this.effects = this.effects.reject(function(e) { return e==effect });
if(this.effects.length == 0) {
clearInterval(this.interval);
this.interval = null;
}
},
loop: function() {
var timePos = new Date().getTime();
for(var i=0, len=this.effects.length;i<len;i++) 
this.effects[i] && this.effects[i].loop(timePos);
}
});
Effect.Queues = {
instances: $H(),
get: function(queueName) {
if(typeof queueName != 'string') return queueName;
if(!this.instances[queueName])
this.instances[queueName] = new Effect.ScopedQueue();
return this.instances[queueName];
}
}
Effect.Queue = Effect.Queues.get('global');
Effect.DefaultOptions = {
transition: Effect.Transitions.sinoidal,
duration:   1.0,   // seconds
fps:        100,   // 100= assume 66fps max.
sync:       false, // true for combining
from:       0.0,
to:         1.0,
delay:      0.0,
queue:      'parallel'
}
Effect.Base = function() {};
Effect.Base.prototype = {
position: null,
start: function(options) {
function codeForEvent(options,eventName){
return (
(options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') +
(options[eventName] ? 'this.options.'+eventName+'(this);' : '')
);
}
if(options.transition === false) options.transition = Effect.Transitions.linear;
this.options      = Object.extend(Object.extend({},Effect.DefaultOptions), options || {});
this.currentFrame = 0;
this.state        = 'idle';
this.startOn      = this.options.delay*1000;
this.finishOn     = this.startOn+(this.options.duration*1000);
this.fromToDelta  = this.options.to-this.options.from;
this.totalTime    = this.finishOn-this.startOn;
this.totalFrames  = this.options.fps*this.options.duration;
eval('this.render = function(pos){ '+
'if(this.state=="idle"){this.state="running";'+
codeForEvent(options,'beforeSetup')+
(this.setup ? 'this.setup();':'')+ 
codeForEvent(options,'afterSetup')+
'};if(this.state=="running"){'+
'pos=this.options.transition(pos)*'+this.fromToDelta+'+'+this.options.from+';'+
'this.position=pos;'+
codeForEvent(options,'beforeUpdate')+
(this.update ? 'this.update(pos);':'')+
codeForEvent(options,'afterUpdate')+
'}}');
this.event('beforeStart');
if(!this.options.sync)
Effect.Queues.get(typeof this.options.queue == 'string' ? 
'global' : this.options.queue.scope).add(this);
},
loop: function(timePos) {
if(timePos >= this.startOn) {
if(timePos >= this.finishOn) {
this.render(1.0);
this.cancel();
this.event('beforeFinish');
if(this.finish) this.finish(); 
this.event('afterFinish');
return;  
}
var pos   = (timePos - this.startOn) / this.totalTime,
frame = Math.round(pos * this.totalFrames);
if(frame > this.currentFrame) {
this.render(pos);
this.currentFrame = frame;
}
}
},
cancel: function() {
if(!this.options.sync)
Effect.Queues.get(typeof this.options.queue == 'string' ? 
'global' : this.options.queue.scope).remove(this);
this.state = 'finished';
},
event: function(eventName) {
if(this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
if(this.options[eventName]) this.options[eventName](this);
},
inspect: function() {
var data = $H();
for(property in this)
if(typeof this[property] != 'function') data[property] = this[property];
return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
}
}
Effect.Parallel = Class.create();
Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {
initialize: function(effects) {
this.effects = effects || [];
this.start(arguments[1]);
},
update: function(position) {
this.effects.invoke('render', position);
},
finish: function(position) {
this.effects.each( function(effect) {
effect.render(1.0);
effect.cancel();
effect.event('beforeFinish');
if(effect.finish) effect.finish(position);
effect.event('afterFinish');
});
}
});
Effect.Event = Class.create();
Object.extend(Object.extend(Effect.Event.prototype, Effect.Base.prototype), {
initialize: function() {
var options = Object.extend({
duration: 0
}, arguments[0] || {});
this.start(options);
},
update: Prototype.emptyFunction
});
Effect.Opacity = Class.create();
Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
if(!this.element) throw(Effect._elementDoesNotExistError);
// make this work on IE on elements without 'layout'
if(Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
this.element.setStyle({zoom: 1});
var options = Object.extend({
from: this.element.getOpacity() || 0.0,
to:   1.0
}, arguments[1] || {});
this.start(options);
},
update: function(position) {
this.element.setOpacity(position);
}
});
Effect.Move = Class.create();
Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
if(!this.element) throw(Effect._elementDoesNotExistError);
var options = Object.extend({
x:    0,
y:    0,
mode: 'relative'
}, arguments[1] || {});
this.start(options);
},
setup: function() {
// Bug in Opera: Opera returns the "real" position of a static element or
// relative element that does not have top/left explicitly set.
// ==> Always set top and left for position relative elements in your stylesheets 
// (to 0 if you do not need them) 
this.element.makePositioned();
this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');
if(this.options.mode == 'absolute') {
// absolute movement, so we need to calc deltaX and deltaY
this.options.x = this.options.x - this.originalLeft;
this.options.y = this.options.y - this.originalTop;
}
},
update: function(position) {
this.element.setStyle({
left: Math.round(this.options.x  * position + this.originalLeft) + 'px',
top:  Math.round(this.options.y  * position + this.originalTop)  + 'px'
});
}
});
// for backwards compatibility
Effect.MoveBy = function(element, toTop, toLeft) {
return new Effect.Move(element, 
Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));
};
Effect.Scale = Class.create();
Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
initialize: function(element, percent) {
this.element = $(element);
if(!this.element) throw(Effect._elementDoesNotExistError);
var options = Object.extend({
scaleX: true,
scaleY: true,
scaleContent: true,
scaleFromCenter: false,
scaleMode: 'box',        // 'box' or 'contents' or {} with provided values
scaleFrom: 100.0,
scaleTo:   percent
}, arguments[2] || {});
this.start(options);
},
setup: function() {
this.restoreAfterFinish = this.options.restoreAfterFinish || false;
this.elementPositioning = this.element.getStyle('position');
this.originalStyle = {};
['top','left','width','height','fontSize'].each( function(k) {
this.originalStyle[k] = this.element.style[k];
}.bind(this));
this.originalTop  = this.element.offsetTop;
this.originalLeft = this.element.offsetLeft;
var fontSize = this.element.getStyle('font-size') || '100%';
['em','px','%','pt'].each( function(fontSizeType) {
if(fontSize.indexOf(fontSizeType)>0) {
this.fontSize     = parseFloat(fontSize);
this.fontSizeType = fontSizeType;
}
}.bind(this));
this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
this.dims = null;
if(this.options.scaleMode=='box')
this.dims = [this.element.offsetHeight, this.element.offsetWidth];
if(/^content/.test(this.options.scaleMode))
this.dims = [this.element.scrollHeight, this.element.scrollWidth];
if(!this.dims)
this.dims = [this.options.scaleMode.originalHeight,
this.options.scaleMode.originalWidth];
},
update: function(position) {
var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
if(this.options.scaleContent && this.fontSize)
this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
},
finish: function(position) {
if(this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
},
setDimensions: function(height, width) {
var d = {};
if(this.options.scaleX) d.width = Math.round(width) + 'px';
if(this.options.scaleY) d.height = Math.round(height) + 'px';
if(this.options.scaleFromCenter) {
var topd  = (height - this.dims[0])/2;
var leftd = (width  - this.dims[1])/2;
if(this.elementPositioning == 'absolute') {
if(this.options.scaleY) d.top = this.originalTop-topd + 'px';
if(this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
} else {
if(this.options.scaleY) d.top = -topd + 'px';
if(this.options.scaleX) d.left = -leftd + 'px';
}
}
this.element.setStyle(d);
}
});
Effect.Highlight = Class.create();
Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
if(!this.element) throw(Effect._elementDoesNotExistError);
var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});
this.start(options);
},
setup: function() {
// Prevent executing on elements not in the layout flow
if(this.element.getStyle('display')=='none') { this.cancel(); return; }
// Disable background image during the effect
this.oldStyle = {};
if (!this.options.keepBackgroundImage) {
this.oldStyle.backgroundImage = this.element.getStyle('background-image');
this.element.setStyle({backgroundImage: 'none'});
}
if(!this.options.endcolor)
this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
if(!this.options.restorecolor)
this.options.restorecolor = this.element.getStyle('background-color');
// init color calculations
this._base  = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));
},
update: function(position) {
this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
return m+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart()); }.bind(this)) });
},
finish: function() {
this.element.setStyle(Object.extend(this.oldStyle, {
backgroundColor: this.options.restorecolor
}));
}
});
Effect.ScrollTo = Class.create();
Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
this.start(arguments[1] || {});
},
setup: function() {
Position.prepare();
var offsets = Position.cumulativeOffset(this.element);
if(this.options.offset) offsets[1] += this.options.offset;
var max = window.innerHeight ? 
window.height - window.innerHeight :
document.body.scrollHeight - 
(document.documentElement.clientHeight ? 
document.documentElement.clientHeight : document.body.clientHeight);
this.scrollStart = Position.deltaY;
this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;
},
update: function(position) {
Position.prepare();
window.scrollTo(Position.deltaX, 
this.scrollStart + (position*this.delta));
}
});
/* ------------- combination effects ------------- */
Effect.Fade = function(element) {
element = $(element);
var oldOpacity = element.getInlineOpacity();
var options = Object.extend({
from: element.getOpacity() || 1.0,
to:   0.0,
afterFinishInternal: function(effect) { 
if(effect.options.to!=0) return;
effect.element.hide().setStyle({opacity: oldOpacity}); 
}}, arguments[1] || {});
return new Effect.Opacity(element,options);
}
Effect.Appear = function(element) {
element = $(element);
var options = Object.extend({
from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
to:   1.0,
// force Safari to render floated elements properly
afterFinishInternal: function(effect) {
effect.element.forceRerendering();
},
beforeSetup: function(effect) {
effect.element.setOpacity(effect.options.from).show(); 
}}, arguments[1] || {});
return new Effect.Opacity(element,options);
}
Effect.Puff = function(element) {
element = $(element);
var oldStyle = { 
opacity: element.getInlineOpacity(), 
position: element.getStyle('position'),
top:  element.style.top,
left: element.style.left,
width: element.style.width,
height: element.style.height
};
return new Effect.Parallel(
[ new Effect.Scale(element, 200, 
{ sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }), 
new Effect.Opacity(element, { sync: true, to: 0.0 } ) ], 
Object.extend({ duration: 1.0, 
beforeSetupInternal: function(effect) {
Position.absolutize(effect.effects[0].element)
},
afterFinishInternal: function(effect) {
effect.effects[0].element.hide().setStyle(oldStyle); }
}, arguments[1] || {})
);
}
Effect.BlindUp = function(element) {
element = $(element);
element.makeClipping();
return new Effect.Scale(element, 0,
Object.extend({ scaleContent: false, 
scaleX: false, 
restoreAfterFinish: true,
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping();
} 
}, arguments[1] || {})
);
}
Effect.BlindDown = function(element) {
element = $(element);
var elementDimensions = element.getDimensions();
return new Effect.Scale(element, 100, Object.extend({ 
scaleContent: false, 
scaleX: false,
scaleFrom: 0,
scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
restoreAfterFinish: true,
afterSetup: function(effect) {
effect.element.makeClipping().setStyle({height: '0px'}).show(); 
},  
afterFinishInternal: function(effect) {
effect.element.undoClipping();
}
}, arguments[1] || {}));
}
Effect.SwitchOff = function(element) {
element = $(element);
var oldOpacity = element.getInlineOpacity();
return new Effect.Appear(element, Object.extend({
duration: 0.4,
from: 0,
transition: Effect.Transitions.flicker,
afterFinishInternal: function(effect) {
new Effect.Scale(effect.element, 1, { 
duration: 0.3, scaleFromCenter: true,
scaleX: false, scaleContent: false, restoreAfterFinish: true,
beforeSetup: function(effect) { 
effect.element.makePositioned().makeClipping();
},
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
}
})
}
}, arguments[1] || {}));
}
Effect.DropOut = function(element) {
element = $(element);
var oldStyle = {
top: element.getStyle('top'),
left: element.getStyle('left'),
opacity: element.getInlineOpacity() };
return new Effect.Parallel(
[ new Effect.Move(element, {x: 0, y: 100, sync: true }), 
new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
Object.extend(
{ duration: 0.5,
beforeSetup: function(effect) {
effect.effects[0].element.makePositioned(); 
},
afterFinishInternal: function(effect) {
effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
} 
}, arguments[1] || {}));
}
Effect.Shake = function(element) {
element = $(element);
var oldStyle = {
top: element.getStyle('top'),
left: element.getStyle('left') };
return new Effect.Move(element, 
{ x:  20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
effect.element.undoPositioned().setStyle(oldStyle);
}}) }}) }}) }}) }}) }});
}
Effect.SlideDown = function(element) {
element = $(element).cleanWhitespace();
// SlideDown need to have the content of the element wrapped in a container element with fixed height!
var oldInnerBottom = element.down().getStyle('bottom');
var elementDimensions = element.getDimensions();
return new Effect.Scale(element, 100, Object.extend({ 
scaleContent: false, 
scaleX: false, 
scaleFrom: window.opera ? 0 : 1,
scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
restoreAfterFinish: true,
afterSetup: function(effect) {
effect.element.makePositioned();
effect.element.down().makePositioned();
if(window.opera) effect.element.setStyle({top: ''});
effect.element.makeClipping().setStyle({height: '0px'}).show(); 
},
afterUpdateInternal: function(effect) {
effect.element.down().setStyle({bottom:
(effect.dims[0] - effect.element.clientHeight) + 'px' }); 
},
afterFinishInternal: function(effect) {
effect.element.undoClipping().undoPositioned();
effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
}, arguments[1] || {})
);
}
Effect.SlideUp = function(element) {
element = $(element).cleanWhitespace();
var oldInnerBottom = element.down().getStyle('bottom');
return new Effect.Scale(element, window.opera ? 0 : 1,
Object.extend({ scaleContent: false, 
scaleX: false, 
scaleMode: 'box',
scaleFrom: 100,
restoreAfterFinish: true,
beforeStartInternal: function(effect) {
effect.element.makePositioned();
effect.element.down().makePositioned();
if(window.opera) effect.element.setStyle({top: ''});
effect.element.makeClipping().show();
},  
afterUpdateInternal: function(effect) {
effect.element.down().setStyle({bottom:
(effect.dims[0] - effect.element.clientHeight) + 'px' });
},
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping().undoPositioned().setStyle({bottom: oldInnerBottom});
effect.element.down().undoPositioned();
}
}, arguments[1] || {})
);
}
// Bug in opera makes the TD containing this element expand for a instance after finish 
Effect.Squish = function(element) {
return new Effect.Scale(element, window.opera ? 1 : 0, { 
restoreAfterFinish: true,
beforeSetup: function(effect) {
effect.element.makeClipping(); 
},  
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping(); 
}
});
}
Effect.Grow = function(element) {
element = $(element);
var options = Object.extend({
direction: 'center',
moveTransition: Effect.Transitions.sinoidal,
scaleTransition: Effect.Transitions.sinoidal,
opacityTransition: Effect.Transitions.full
}, arguments[1] || {});
var oldStyle = {
top: element.style.top,
left: element.style.left,
height: element.style.height,
width: element.style.width,
opacity: element.getInlineOpacity() };
var dims = element.getDimensions();    
var initialMoveX, initialMoveY;
var moveX, moveY;
switch (options.direction) {
case 'top-left':
initialMoveX = initialMoveY = moveX = moveY = 0; 
break;
case 'top-right':
initialMoveX = dims.width;
initialMoveY = moveY = 0;
moveX = -dims.width;
break;
case 'bottom-left':
initialMoveX = moveX = 0;
initialMoveY = dims.height;
moveY = -dims.height;
break;
case 'bottom-right':
initialMoveX = dims.width;
initialMoveY = dims.height;
moveX = -dims.width;
moveY = -dims.height;
break;
case 'center':
initialMoveX = dims.width / 2;
initialMoveY = dims.height / 2;
moveX = -dims.width / 2;
moveY = -dims.height / 2;
break;
}
return new Effect.Move(element, {
x: initialMoveX,
y: initialMoveY,
duration: 0.01, 
beforeSetup: function(effect) {
effect.element.hide().makeClipping().makePositioned();
},
afterFinishInternal: function(effect) {
new Effect.Parallel(
[ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
new Effect.Scale(effect.element, 100, {
scaleMode: { originalHeight: dims.height, originalWidth: dims.width }, 
sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
], Object.extend({
beforeSetup: function(effect) {
effect.effects[0].element.setStyle({height: '0px'}).show(); 
},
afterFinishInternal: function(effect) {
effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle); 
}
}, options)
)
}
});
}
Effect.Shrink = function(element) {
element = $(element);
var options = Object.extend({
direction: 'center',
moveTransition: Effect.Transitions.sinoidal,
scaleTransition: Effect.Transitions.sinoidal,
opacityTransition: Effect.Transitions.none
}, arguments[1] || {});
var oldStyle = {
top: element.style.top,
left: element.style.left,
height: element.style.height,
width: element.style.width,
opacity: element.getInlineOpacity() };
var dims = element.getDimensions();
var moveX, moveY;
switch (options.direction) {
case 'top-left':
moveX = moveY = 0;
break;
case 'top-right':
moveX = dims.width;
moveY = 0;
break;
case 'bottom-left':
moveX = 0;
moveY = dims.height;
break;
case 'bottom-right':
moveX = dims.width;
moveY = dims.height;
break;
case 'center':  
moveX = dims.width / 2;
moveY = dims.height / 2;
break;
}
return new Effect.Parallel(
[ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
], Object.extend({            
beforeStartInternal: function(effect) {
effect.effects[0].element.makePositioned().makeClipping(); 
},
afterFinishInternal: function(effect) {
effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
}, options)
);
}
Effect.Pulsate = function(element) {
element = $(element);
var options    = arguments[1] || {};
var oldOpacity = element.getInlineOpacity();
var transition = options.transition || Effect.Transitions.sinoidal;
var reverser   = function(pos){ return transition(1-Effect.Transitions.pulse(pos, options.pulses)) };
reverser.bind(transition);
return new Effect.Opacity(element, 
Object.extend(Object.extend({  duration: 2.0, from: 0,
afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
}, options), {transition: reverser}));
}
Effect.Fold = function(element) {
element = $(element);
var oldStyle = {
top: element.style.top,
left: element.style.left,
width: element.style.width,
height: element.style.height };
element.makeClipping();
return new Effect.Scale(element, 5, Object.extend({   
scaleContent: false,
scaleX: false,
afterFinishInternal: function(effect) {
new Effect.Scale(element, 1, { 
scaleContent: false, 
scaleY: false,
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping().setStyle(oldStyle);
} });
}}, arguments[1] || {}));
};
Effect.Morph = Class.create();
Object.extend(Object.extend(Effect.Morph.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
if(!this.element) throw(Effect._elementDoesNotExistError);
var options = Object.extend({
style: {}
}, arguments[1] || {});
if (typeof options.style == 'string') {
if(options.style.indexOf(':') == -1) {
var cssText = '', selector = '.' + options.style;
$A(document.styleSheets).reverse().each(function(styleSheet) {
if (styleSheet.cssRules) cssRules = styleSheet.cssRules;
else if (styleSheet.rules) cssRules = styleSheet.rules;
$A(cssRules).reverse().each(function(rule) {
if (selector == rule.selectorText) {
cssText = rule.style.cssText;
throw $break;
}
});
if (cssText) throw $break;
});
this.style = cssText.parseStyle();
options.afterFinishInternal = function(effect){
effect.element.addClassName(effect.options.style);
effect.transforms.each(function(transform) {
if(transform.style != 'opacity')
effect.element.style[transform.style] = '';
});
}
} else this.style = options.style.parseStyle();
} else this.style = $H(options.style)
this.start(options);
},
setup: function(){
function parseColor(color){
if(!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
color = color.parseColor();
return $R(0,2).map(function(i){
return parseInt( color.slice(i*2+1,i*2+3), 16 ) 
});
}
this.transforms = this.style.map(function(pair){
var property = pair[0], value = pair[1], unit = null;
if(value.parseColor('#zzzzzz') != '#zzzzzz') {
value = value.parseColor();
unit  = 'color';
} else if(property == 'opacity') {
value = parseFloat(value);
if(Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
this.element.setStyle({zoom: 1});
} else if(Element.CSS_LENGTH.test(value)) {
var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
value = parseFloat(components[1]);
unit = (components.length == 3) ? components[2] : null;
}
var originalValue = this.element.getStyle(property);
return { 
style: property.camelize(), 
originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0), 
targetValue: unit=='color' ? parseColor(value) : value,
unit: unit
};
}.bind(this)).reject(function(transform){
return (
(transform.originalValue == transform.targetValue) ||
(
transform.unit != 'color' &&
(isNaN(transform.originalValue) || isNaN(transform.targetValue))
)
)
});
},
update: function(position) {
var style = {}, transform, i = this.transforms.length;
while(i--)
style[(transform = this.transforms[i]).style] = 
transform.unit=='color' ? '#'+
(Math.round(transform.originalValue[0]+
(transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
(Math.round(transform.originalValue[1]+
(transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
(Math.round(transform.originalValue[2]+
(transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
transform.originalValue + Math.round(
((transform.targetValue - transform.originalValue) * position) * 1000)/1000 + transform.unit;
this.element.setStyle(style, true);
}
});
Effect.Transform = Class.create();
Object.extend(Effect.Transform.prototype, {
initialize: function(tracks){
this.tracks  = [];
this.options = arguments[1] || {};
this.addTracks(tracks);
},
addTracks: function(tracks){
tracks.each(function(track){
var data = $H(track).values().first();
this.tracks.push($H({
ids:     $H(track).keys().first(),
effect:  Effect.Morph,
options: { style: data }
}));
}.bind(this));
return this;
},
play: function(){
return new Effect.Parallel(
this.tracks.map(function(track){
var elements = [$(track.ids) || $$(track.ids)].flatten();
return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.options)) });
}).flatten(),
this.options
);
}
});
Element.CSS_PROPERTIES = $w(
'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' + 
'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
'fontSize fontWeight height left letterSpacing lineHeight ' +
'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
'right textIndent top width wordSpacing zIndex');
Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
String.prototype.parseStyle = function(){
var element = document.createElement('div');
element.innerHTML = '<div style="' + this + '"></div>';
var style = element.childNodes[0].style, styleRules = $H();
Element.CSS_PROPERTIES.each(function(property){
if(style[property]) styleRules[property] = style[property]; 
});
if(Prototype.Browser.IE && this.indexOf('opacity') > -1) {
styleRules.opacity = this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1];
}
return styleRules;
};
Element.morph = function(element, style) {
new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || {}));
return element;
};
['getInlineOpacity','forceRerendering','setContentZoom',
'collectTextNodes','collectTextNodesIgnoreClass','morph'].each( 
function(f) { Element.Methods[f] = Element[f]; }
);
Element.Methods.visualEffect = function(element, effect, options) {
s = effect.dasherize().camelize();
effect_class = s.charAt(0).toUpperCase() + s.substring(1);
new Effect[effect_class](element, options);
return $(element);
};
Element.addMethods();// lightwindow.js v2.0
//
// Copyright (c) 2007 stickmanlabs
// Author: Kevin P Miller | http://www.stickmanlabs.com
// 
// LightWindow is freely distributable under the terms of an MIT-style license.
//
// I don't care what you think about the file size...
//   Be a pro: 
//     http://www.thinkvitamin.com/features/webapps/serving-javascript-fast
//      http://rakaz.nl/item/make_your_pages_load_faster_by_combining_and_compressing_javascript_and_css_files
//
/*-----------------------------------------------------------------------------------------------*/
if(typeof Effect == 'undefined')
throw("lightwindow.js requires including script.aculo.us' effects.js library!");
// This will stop image flickering in IE6 when elements with images are moved
try {
document.execCommand("BackgroundImageCache", false, true);
} catch(e) {}
var lightwindow = Class.create(); 
lightwindow.prototype = {
//
// Setup Variables
//
element : null,
contentToFetch : null,
windowActive : false,
dataEffects : [],
dimensions : {
cruft : null,
container : null,
viewport : {
height : null,
width : null,
offsetTop : null,
offsetLeft : null
}
},
pagePosition : {
x : 0,
y : 0
},
pageDimensions : {
width : null,
height : null
},
preloadImage : [],
preloadedImage : [],
galleries : [],
resizeTo : {
height : null,
heightPercent : null,
width : null,
widthPercent : null,
fixedTop : null,
fixedLeft : null
},
scrollbarOffset : 18,
navigationObservers : {
previous : null,
next : null
},
containerChange : {
height : 0,
width : 0
},
activeGallery : false,
galleryLocation : {
current : 0,
total : 0
},
//
// Initialize the lightwindow.
//
initialize : function(options) {
this.options = Object.extend({
resizeSpeed : 8,
contentOffset : {
height : 20,
width : 20
},
dimensions : {
image : {height : 250, width : 250},
page : {height : 250, width : 250},
inline : {height : 250, width : 250},
media : {height : 250, width : 250},
external : {height : 250, width : 250},
titleHeight : 25
},
classNames : { 
standard : 'lightwindow',
action : 'lightwindow_action'
},
fileTypes : {
page : ['asp', 'aspx', 'cgi', 'cfm', 'htm', 'html', 'pl', 'php4', 'php3', 'php', 'php5', 'phtml', 'rhtml', 'shtml', 'txt', 'vbs', 'rb'],
media : ['aif', 'aiff', 'asf', 'avi', 'divx', 'm1v', 'm2a', 'm2v', 'm3u', 'mid', 'midi', 'mov', 'moov', 'movie', 'mp2', 'mp3', 'mpa', 'mpa', 'mpe', 'mpeg', 'mpg', 'mpg', 'mpga', 'pps', 'qt', 'rm', 'ram', 'swf', 'viv', 'vivo', 'wav'],
image : ['bmp', 'gif', 'jpg', 'png', 'tiff']
},
mimeTypes : {
avi : 'video/avi',
aif : 'audio/aiff',
aiff : 'audio/aiff',
gif : 'image/gif',
bmp : 'image/bmp',
jpeg : 'image/jpeg',
m1v : 'video/mpeg',
m2a : 'audio/mpeg',
m2v : 'video/mpeg',
m3u : 'audio/x-mpequrl',
mid : 'audio/x-midi',
midi : 'audio/x-midi',
mjpg : 'video/x-motion-jpeg',
moov : 'video/quicktime',
mov : 'video/quicktime',
movie : 'video/x-sgi-movie',
mp2 : 'audio/mpeg',
mp3 : 'audio/mpeg3',
mpa : 'audio/mpeg',
mpa : 'video/mpeg',
mpe : 'video/mpeg',
mpeg : 'video/mpeg',
mpg : 'audio/mpeg',
mpg : 'video/mpeg',
mpga : 'audio/mpeg',
pdf : 'application/pdf',
png : 'image/png',
pps : 'application/mspowerpoint',
qt : 'video/quicktime',
ram : 'audio/x-pn-realaudio-plugin',
rm : 'application/vnd.rn-realmedia',
swf : 'application/x-shockwave-flash',
tiff : 'image/tiff',
viv : 'video/vivo',
vivo : 'video/vivo',
wav : 'audio/wav',
wmv : 'application/x-mplayer2'   
}, 
classids : {
mov : 'clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B',
swf : 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000',
wmv : 'clsid:6BF52A52-394A-11d3-B153-00C04F79FAA6'
},
codebases : {
mov : 'http://www.apple.com/qtactivex/qtplugin.cab#version=6,0,2,0',
swf : 'http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0',
wmv : 'http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=6,4,5,715'
}, 
viewportPadding : 10,
EOLASFix : 'swf,wmv,fla,flv',
overlay : {
opacity : 0.7,
image : 'http://media.entireweb.com/package/lightwindow/images/black.png',
presetImage : 'http://media.entireweb.com/package/lightwindow/images/black-70.png'
},
skin :  {
main :  '<div id="lightwindow_container" >'+
'<div id="lightwindow_title_bar" >'+
'<div id="lightwindow_title_bar_inner" >'+
'<span id="lightwindow_title_bar_title"></span>'+
'<a id="lightwindow_title_bar_close_link" >close</a>'+
'</div>'+
'</div>'+
'<div id="lightwindow_stage" >'+
'<div id="lightwindow_contents" >'+
'</div>'+
'<div id="lightwindow_navigation" >'+
'<a href="#" id="lightwindow_previous" >'+
'<span id="lightwindow_previous_title"></span>'+
'</a>'+
'<a href="#" id="lightwindow_next" >'+
'<span id="lightwindow_next_title"></span>'+
'</a>'+
'<iframe name="lightwindow_navigation_shim" id="lightwindow_navigation_shim" src="javascript:false;" frameBorder="0" scrolling="no"></iframe>'+
'</div>'+        
'<div id="lightwindow_galleries">'+
'<div id="lightwindow_galleries_tab_container" >'+
'<a href="#" id="lightwindow_galleries_tab" >'+
'<span id="lightwindow_galleries_tab_span" class="up" >Galleries</span>'+
'</a>'+
'</div>'+
'<div id="lightwindow_galleries_list" >'+
'</div>'+
'</div>'+
'</div>'+
'<div id="lightwindow_data_slide" >'+
'<div id="lightwindow_data_slide_inner" >'+
'<div id="lightwindow_data_details" >'+
'<div id="lightwindow_data_gallery_container" >'+
'<span id="lightwindow_data_gallery_current"></span>'+
' of '+
'<span id="lightwindow_data_gallery_total"></span>'+
'</div>'+
'<div id="lightwindow_data_author_container" >'+
'by <span id="lightwindow_data_author"></span>'+
'</div>'+
'</div>'+
'<div id="lightwindow_data_caption" >'+
'</div>'+
'</div>'+
'</div>'+
'</div>', 
loading :  '<div id="lightwindow_loading" >'+
'<img src="http://media.entireweb.com/package/lightwindow/images/ajax-loading.gif" alt="loading" />'+
'<!-- <span>Loading or <a href="javascript: myLightWindow.deactivate();">Cancel</a></span> -->'+
'<iframe name="lightwindow_loading_shim" id="lightwindow_loading_shim" src="javascript:false;" frameBorder="0" scrolling="no"></iframe>'+
'</div>',
iframe :  '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'+
'<html xmlns="http://www.w3.org/1999/xhtml">'+
'<body>'+
'{body_replace}'+
'</body>'+
'</html>',
gallery : {
top :  '<div class="lightwindow_galleries_list">'+
'<h1>{gallery_title_replace}</h1>'+
'<ul>',
middle :    '<li>'+
'{gallery_link_replace}'+
'</li>',
bottom :   '</ul>'+
'</div>'
}
},
formMethod : 'get',
hideFlash : false,
hideGalleryTab : false,
showTitleBar : true,
animationHandler : false,
navigationHandler : false,
transitionHandler : false,
finalAnimationHandler : false,
formHandler : false,
galleryAnimationHandler : false,
showGalleryCount : true
}, options || {});
this.duration = ((11-this.options.resizeSpeed)*0.15);
this._setupLinks();
this._getScroll();
this._getPageDimensions();
this._browserDimensions();
this._addLightWindowMarkup(false);
this._setupDimensions(); 
this.buildGalleryList();
},
//
// Activate the lightwindow.
//
activate : function(e, link){  
// Clear out the window Contents
this._clearWindowContents(true);
// Add back in out loading panel
this._addLoadingWindowMarkup();
// Setup the element properties
this._setupWindowElements(link);
// Setup everything
this._getScroll();
this._browserDimensions();
this._setupDimensions();
this._toggleTroubleElements('hidden', false);
this._displayLightWindow('block', 'hidden');
this._setStatus(true);
this._monitorKeyboard(true);
this._prepareIE(true);
this._loadWindow();
},
//
// Turn off the window
//
deactivate : function(){
// The window is not active
this.windowActive = false;
// There is no longer a gallery active
this.activeGallery = false;
if (!this.options.hideGalleryTab) {
this._handleGalleryAnimation(false);
}
// Kill the animation
this.animating = false;
// Clear our element
this.element = null;
// hide the window.
this._displayLightWindow('none', 'visible');
// Clear out the window Contents
this._clearWindowContents(false);
// Stop all animation
var queue = Effect.Queues.get('lightwindowAnimation').each(function(e){e.cancel();});
// Undo the setup
this._prepareIE(false);
this._setupDimensions();
this._toggleTroubleElements('visible', false); 
this._monitorKeyboard(false); 
},
//
//  Initialize specific window
//
createWindow : function(element, attributes) {
this._processLink($(element));
},
//
//  Open a Window from a hash of attributes
//
activateWindow : function(options) {
this.element = Object.extend({
href : null,
title : null,
author : null,
caption : null,
rel : null,
top : null,
left : null,
type : null,
showImages : null,
height : null,
width : null,
loadingAnimation : null,
iframeEmbed : null,
form : null
}, options || {});
// Set the window type
this.contentToFetch = this.element.href;
this.windowType = this.element.type ? this.element.type : this._fileType(this.element.href); 
// Clear out the window Contents
this._clearWindowContents(true);
// Add back in out loading panel
this._addLoadingWindowMarkup();
// Setup everything
this._getScroll();
this._browserDimensions();
this._setupDimensions();
this._toggleTroubleElements('hidden', false);
this._displayLightWindow('block', 'hidden');
this._setStatus(true);
this._monitorKeyboard(true);
this._prepareIE(true);
this._loadWindow();
},
//
//  Fire off our Form handler
//
submitForm : function(e) {
if (this.options.formHandler) {
this.options.formHandler(e);
} else {
this._defaultFormHandler(e);
}
},
//
// Reload the window with another location
//
openWindow : function(element) {
var element = $(element);
// The window is active
this.windowActive = true;
// Clear out the window Contents
this._clearWindowContents(true);
// Add back in out loading panel
this._addLoadingWindowMarkup();
// Setup the element properties
this._setupWindowElements(element);
this._setStatus(true);
this._handleTransition();
},
//
// Fiskens reload
//
openWindow2 : function(element) {
//  var element = $(element);
// The window is active
//  this.windowActive = true;
// Clear out the window Contents
//  this._clearWindowContents(true);
// Add back in out loading panel
//  this._addLoadingWindowMarkup();
// Setup the element properties
// this._setupWindowElements(element);
// this._setStatus(true);
//  this._handleTransition();
this._getPageDimensions();
var overlay = document.getElementById('lightwindow_overlay');
if (overlay) {
if (Prototype.Browser.Gecko) {
overlay.setStyle({
backgroundImage: 'url('+this.options.overlay.presetImage+')',
backgroundRepeat: 'repeat',
height: this.dimensions.viewport.height+'px'
});
} else {
overlay.setStyle({
opacity: this.options.overlay.opacity,
backgroundImage: 'url('+this.options.overlay.image+')',
backgroundRepeat: 'repeat',
height: this.dimensions.viewport.height+'px'
});
}
}
},
//
//  Navigate the window
//
navigateWindow : function(direction) {
this._handleNavigation(false);
if (direction == 'previous') {
this.openWindow(this.navigationObservers.previous);
} else if (direction == 'next'){ 
this.openWindow(this.navigationObservers.next);
}
},
//
//  Build the Gallery List and Load it
//
buildGalleryList : function() {
var output = '';
var galleryLink;
for (i in this.galleries) {
if (typeof this.galleries[i] == 'object') {
output += (this.options.skin.gallery.top).replace('{gallery_title_replace}', unescape(i));
for (j in this.galleries[i]) {
if (typeof this.galleries[i][j] == 'object') {      
galleryLink = '<a href="#" id="lightwindow_gallery_'+i+'_'+j+'" >'+unescape(j)+'</a>';
output += (this.options.skin.gallery.middle).replace('{gallery_link_replace}', galleryLink);
}
}
output += this.options.skin.gallery.bottom;
}
}
new Insertion.Top('lightwindow_galleries_list', output);
// Attach Events
for (i in this.galleries) {
if (typeof this.galleries[i] == 'object') {
for (j in this.galleries[i]) {
if (typeof this.galleries[i][j] == 'object') {
Event.observe($('lightwindow_gallery_'+i+'_'+j), 'click', this.openWindow.bind(this, this.galleries[i][j][0]), false);
$('lightwindow_gallery_'+i+'_'+j).onclick = function() {return false;}; 
}
}
}
}
},
// 
//  Set Links Up
//
_setupLinks : function() {
var links = $$('.'+this.options.classNames.standard);
links.each(function(link) {
this._processLink(link);
}.bind(this)); 
},
//
//  Process a Link
//
_processLink : function(link) {
if ((this._fileType(link.getAttribute('href')) == 'image' || this._fileType(link.getAttribute('href')) == 'media')) {
if (gallery = this._getGalleryInfo(link.rel)) {
if (!this.galleries[gallery[0]]) {
this.galleries[gallery[0]] = new Array();
}
if (!this.galleries[gallery[0]][gallery[1]]) {
this.galleries[gallery[0]][gallery[1]] = new Array();
}
this.galleries[gallery[0]][gallery[1]].push(link);
}
}
// Take care of our inline content
var url = link.getAttribute('href');
if (url.indexOf('?') > -1) {
url = url.substring(0, url.indexOf('?'));
}
var container = url.substring(url.indexOf('#')+1);
if($(container)) {
$(container).setStyle({
display : 'none'
});
}
Event.observe(link, 'click', this.activate.bindAsEventListener(this, link), false);
link.onclick = function() {return false;};  
},
//
// Setup our actions
//
_setupActions : function() {
var links = $$('#lightwindow_container .'+this.options.classNames.action);
links.each(function(link) {
Event.observe(link, 'click', this[link.getAttribute('rel')].bindAsEventListener(this, link), false);
link.onclick = function() {return false;};
}.bind(this));
},
//
// Add the markup to the page.
//
_addLightWindowMarkup : function(rebuild) {
var overlay = Element.extend(document.createElement('div'));
overlay.setAttribute('id', 'lightwindow_overlay');  
// FF Mac has a problem with putting Flash above a layer without a 100% opacity background, so we need to use a pre-made
if (Prototype.Browser.Gecko) {
overlay.setStyle({
backgroundImage: 'url('+this.options.overlay.presetImage+')',
backgroundRepeat: 'repeat',
height: this.pageDimensions.height+'px'
});   
} else {
overlay.setStyle({
opacity: this.options.overlay.opacity,
backgroundImage: 'url('+this.options.overlay.image+')',
backgroundRepeat: 'repeat',
height: this.pageDimensions.height+'px'
});
}
var lw = document.createElement('div');
lw.setAttribute('id', 'lightwindow');
lw.innerHTML = this.options.skin.main;
var body = document.getElementsByTagName('body')[0];
body.appendChild(overlay);
body.appendChild(lw); 
/*
if ($('lightwindow_title_bar_close_link')) {
Event.observe('lightwindow_title_bar_close_link', 'click', this.deactivate.bindAsEventListener(this));
$('lightwindow_title_bar_close_link').onclick = function() {return false;};
}
*/
Event.observe($('lightwindow_previous'), 'click', this.navigateWindow.bind(this, 'previous'), false);
$('lightwindow_previous').onclick = function() {return false;};  
Event.observe($('lightwindow_next'), 'click', this.navigateWindow.bind(this, 'next'), false);
$('lightwindow_next').onclick = function() {return false;};
if (!this.options.hideGalleryTab) {
Event.observe($('lightwindow_galleries_tab'), 'click', this._handleGalleryAnimation.bind(this, true), false);
$('lightwindow_galleries_tab').onclick = function() {return false;};
}
// Because we use position absolute, kill the scroll Wheel on animations
if (Prototype.Browser.IE) {
Event.observe(document, 'mousewheel', this._stopScrolling.bindAsEventListener(this), false);
} else {
Event.observe(window, 'DOMMouseScroll', this._stopScrolling.bindAsEventListener(this), false);
}
Event.observe(overlay, 'click', this.deactivate.bindAsEventListener(this), false);
overlay.onclick = function() {return false;};
},
//
//  Add loading window markup
//
_addLoadingWindowMarkup : function() {
$('lightwindow_contents').innerHTML += this.options.skin.loading;
},
//
//  Setup the window elements
//
_setupWindowElements : function(link) {
this.element = link;
this.element.title = null ? '' : link.getAttribute('title');
this.element.author = null ? '' : link.getAttribute('author');
this.element.caption = null ? '' : link.getAttribute('caption');
this.element.rel = null ? '' : link.getAttribute('rel');
this.element.params = null ? '' : link.getAttribute('params');
// Set the window type
this.contentToFetch = this.element.href;
this.windowType = this._getParameter('lightwindow_type') ? this._getParameter('lightwindow_type') : this._fileType(this.contentToFetch); 
},
//
//  Clear the window contents out
//
_clearWindowContents : function(contents) {
// If there is an iframe, its got to go
if ($('lightwindow_iframe')) {
Element.remove($('lightwindow_iframe'));
}
// Stop playing an object if its still around
if ($('lightwindow_media_primary')) {
try {
$('lightwindow_media_primary').Stop();
} catch(e) {}
Element.remove($('lightwindow_media_primary'));
}
// Stop playing an object if its still around  
if ($('lightwindow_media_secondary')) {
try {
$('lightwindow_media_secondary').Stop();
} catch(e) {}
Element.remove($('lightwindow_media_secondary'));
}
this.activeGallery = false;
this._handleNavigation(this.activeGallery);
if (contents) {
// Empty the contents
$('lightwindow_contents').innerHTML = '';
// Reset the scroll bars
$('lightwindow_contents').setStyle({
overflow: 'hidden'
});  
if (!this.windowActive) {
$('lightwindow_data_slide_inner').setStyle({
display: 'none'
});
$('lightwindow_title_bar_title').innerHTML = '';
}
// Because of browser differences and to maintain flexible captions we need to reset this height at close
$('lightwindow_data_slide').setStyle({
height: 'auto'
});
}
this.resizeTo.height = null;
this.resizeTo.width = null;
},
//
// Set the status of our animation to keep things from getting clunky
//
_setStatus : function(status) {
this.animating = status;
if (status) {
Element.show('lightwindow_loading');
}
if (!(/MSIE 6./i.test(navigator.userAgent))) {
this._fixedWindow(status);
}
},
//
//  Make this window Fixed
//
_fixedWindow : function(status) {
if (status) {
if (this.windowActive) {
this._getScroll();
$('lightwindow').setStyle({
position: 'absolute',
top: parseFloat($('lightwindow').getStyle('top'))+this.pagePosition.y+'px',
left: parseFloat($('lightwindow').getStyle('left'))+this.pagePosition.x+'px'
});  
} else {
$('lightwindow').setStyle({
position: 'absolute'
});      
}
} else {
if (this.windowActive) {
this._getScroll();
$('lightwindow').setStyle({
position: 'fixed',
top: parseFloat($('lightwindow').getStyle('top'))-this.pagePosition.y+'px',
left: parseFloat($('lightwindow').getStyle('left'))-this.pagePosition.x+'px'
});  
} else {
if ($('lightwindow_iframe')) {
// Ideally here we would set a 50% value for top and left, but Safari rears it ugly head again and we need to do it by pixels
this._browserDimensions();
}
/* ** ???????????????????????????????????????????????????????????????????????????? **
$('lightwindow').setStyle({
position: 'fixed',
top: (parseFloat(this._getParameter('lightwindow_top')) ? parseFloat(this._getParameter('lightwindow_top'))+'px' : this.dimensions.viewport.height/2+'px'),
left: (parseFloat(this._getParameter('lightwindow_left')) ? parseFloat(this._getParameter('lightwindow_left'))+'px' : this.dimensions.viewport.width/2+'px')
});
*/
}
}
},
//
// Prepare the window for IE.
//
_prepareIE : function(setup) {
if (Prototype.Browser.IE) {
var height, overflowX, overflowY;
if (setup) { 
var height = '100%';
} else {
var height = 'auto';
}
var body = document.getElementsByTagName('body')[0];
var html = document.getElementsByTagName('html')[0];
html.style.height = body.style.height = height;
}
},
_stopScrolling : function(e) {
if (this.animating) {
if (e.preventDefault) {
e.preventDefault();
}
e.returnValue = false;  
}
},
//
// Get the scroll for the page.
//
_getScroll : function(){
if(typeof(window.pageYOffset) == 'number') {
this.pagePosition.x = window.pageXOffset;
this.pagePosition.y = window.pageYOffset;
} else if(document.body && (document.body.scrollLeft || document.body.scrollTop)) {
this.pagePosition.x = document.body.scrollLeft;
this.pagePosition.y = document.body.scrollTop;
} else if(document.documentElement) {
this.pagePosition.x = document.documentElement.scrollLeft;
this.pagePosition.y = document.documentElement.scrollTop;
}
},
//
// Reset the scroll.
//
_setScroll : function(x, y) {
document.documentElement.scrollLeft = x; 
document.documentElement.scrollTop = y; 
},
//
// Hide Selects from the page because of IE.
//     We could use iframe shims instead here but why add all the extra markup for one browser when this is much easier and cleaner
//
_toggleTroubleElements : function(visibility, content){
if (content) {
var selects = $('lightwindow_contents').getElementsByTagName('select');
} else {
var selects = document.getElementsByTagName('select');
}
for(var i = 0; i < selects.length; i++) {
selects[i].style.visibility = visibility;
}
if (!content) {
if (this.options.hideFlash){
var objects = document.getElementsByTagName('object');
for (i = 0; i != objects.length; i++) {
objects[i].style.visibility = visibility;
}
var embeds = document.getElementsByTagName('embed');
for (i = 0; i != embeds.length; i++) {
embeds[i].style.visibility = visibility;
}
}
var iframes = document.getElementsByTagName('iframe');
for (i = 0; i != iframes.length; i++) {
iframes[i].style.visibility = visibility;
}
}
},
// 
//  Get the actual page size
//
_getPageDimensions : function() {
var xScroll, yScroll;
if (window.innerHeight && window.scrollMaxY) { 
xScroll = document.body.scrollWidth;
yScroll = window.innerHeight + window.scrollMaxY;
} else if (document.body.scrollHeight > document.body.offsetHeight){ 
xScroll = document.body.scrollWidth;
yScroll = document.body.scrollHeight;
} else { 
xScroll = document.body.offsetWidth;
yScroll = document.body.offsetHeight;
}
var windowWidth, windowHeight;
if (self.innerHeight) { 
windowWidth = self.innerWidth;
windowHeight = self.innerHeight;
} else if (document.documentElement && document.documentElement.clientHeight) { 
windowWidth = document.documentElement.clientWidth;
windowHeight = document.documentElement.clientHeight;
} else if (document.body) { 
windowWidth = document.body.clientWidth;
windowHeight = document.body.clientHeight;
} 
if(yScroll < windowHeight){
this.pageDimensions.height = windowHeight;
} else { 
this.pageDimensions.height = yScroll;
}
if(xScroll < windowWidth){ 
this.pageDimensions.width = windowWidth;
} else {
this.pageDimensions.width = xScroll;
}
},
//
// Display the lightWindow.
//
_displayLightWindow : function(display, visibility) {
$('lightwindow_overlay').style.display = $('lightwindow').style.display = $('lightwindow_container').style.display = display; 
$('lightwindow_overlay').style.visibility = $('lightwindow').style.visibility = $('lightwindow_container').style.visibility = visibility;
},
//
// Setup Dimensions of lightwindow.
//
_setupDimensions : function() {
var originalHeight, originalWidth;
switch (this.windowType) {
case 'page' :
originalHeight = this.options.dimensions.page.height;
originalWidth = this.options.dimensions.page.width;
break;
case 'image' :
originalHeight = this.options.dimensions.image.height;
originalWidth = this.options.dimensions.image.width;
break;
case 'media' :
originalHeight = this.options.dimensions.media.height;
originalWidth = this.options.dimensions.media.width;
break;
case 'external' : 
originalHeight = this.options.dimensions.external.height;
originalWidth = this.options.dimensions.external.width;
break;
case 'inline' :
originalHeight = this.options.dimensions.inline.height;
originalWidth = this.options.dimensions.inline.width;
break;
default :
originalHeight = this.options.dimensions.page.height;
originalWidth = this.options.dimensions.page.width;
break;
}
var offsetHeight = this._getParameter('lightwindow_top') ? parseFloat(this._getParameter('lightwindow_top'))+this.pagePosition.y : this.dimensions.viewport.height/2+this.pagePosition.y;
var offsetWidth = this._getParameter('lightwindow_left') ? parseFloat(this._getParameter('lightwindow_left'))+this.pagePosition.x : this.dimensions.viewport.width/2+this.pagePosition.x;
// So if a theme has say shadowed edges, they should be consistant and take care of in the contentOffset
$('lightwindow').setStyle({
top: offsetHeight+'px',
left: offsetWidth+'px'
});
$('lightwindow_container').setStyle({
height: originalHeight+'px',
width: originalWidth+'px',
left: -(originalWidth/2)+'px',
top: -(originalHeight/2)+'px'
});
$('lightwindow_contents').setStyle({
height: originalHeight+'px',
width: originalWidth+'px'
});
},
//
// Get the type of file.
//
_fileType : function(url) {
var image = new RegExp("[^\.]\.("+this.options.fileTypes.image.join('|')+")\s*$", "i");
if (image.test(url)) return 'image';
if (url.indexOf('#') > -1 && (document.domain == this._getDomain(url))) return 'inline';  
if (url.indexOf('?') > -1) url = url.substring(0, url.indexOf('?'));
var type = 'unknown';
var page = new RegExp("[^\.]\.("+this.options.fileTypes.page.join('|')+")\s*$", "i");
var media = new RegExp("[^\.]\.("+this.options.fileTypes.media.join('|')+")\s*$", "i");
if (document.domain != this._getDomain(url)) type = 'external';
if (media.test(url)) type = 'media';
if (type == 'external' || type == 'media') return type;
if (page.test(url) || url.substr((url.length-1), url.length) == '/') type = 'page';
return type;
},
//
//  Get file Extension
//
_fileExtension : function(url) {
if (url.indexOf('?') > -1) {
url = url.substring(0, url.indexOf('?'));
}
var extenstion = '';
for (var x = (url.length-1); x > -1; x--) {
if (url.charAt(x) == '.') {
return extenstion;
}
extenstion = url.charAt(x)+extenstion;
}
},
//
// Monitor the keyboard while this lightwindow is up
//
_monitorKeyboard : function(status) {
if (status) document.onkeydown = this._eventKeypress.bind(this); 
else document.onkeydown = '';
},
//
//  Perform keyboard actions
//
_eventKeypress : function(e) {
if (e == null) {
var keycode = event.keyCode;
} else {
var keycode = e.which;
}
switch (keycode) { 
case 27: 
this.deactivate(); 
break;
case 13:
return;
default:
break;
}
// Gotta stop those quick fingers
if (this.animating) {
return false;
}
switch (String.fromCharCode(keycode).toLowerCase()) {
case 'p':
if (this.navigationObservers.previous) {
this.navigateWindow('previous');
}
break;
case 'n':
if (this.navigationObservers.next) {
this.navigateWindow('next');
}
break;
default:
break;
}
},
//
// Get Gallery Information
//
_getGalleryInfo : function(rel) {
if (!rel) return false;
if (rel.indexOf('[') > -1) {
return new Array(escape(rel.substring(0, rel.indexOf('['))), escape(rel.substring(rel.indexOf('[')+1, rel.indexOf(']'))));
} else {
return false;
}
},
//
// Get the domain from a string.
//
_getDomain : function(url) {    
var leadSlashes = url.indexOf('//');
var domainStart = leadSlashes+2;
var withoutResource = url.substring(domainStart, url.length);
var nextSlash = withoutResource.indexOf('/');
var domain = withoutResource.substring(0, nextSlash);
if (domain.indexOf(':') > -1){
var portColon = domain.indexOf(':');
domain = domain.substring(0, portColon);
}
return domain;
},
//
// Get the value from the params attribute string.
//
_getParameter : function(parameter, parameters) {
if (!this.element) return false;
if (parameter == 'lightwindow_top' && this.element.top) {
return unescape(this.element.top);
} else if (parameter == 'lightwindow_left' && this.element.left) {
return unescape(this.element.left);
} else if (parameter == 'lightwindow_type' && this.element.type) {
return unescape(this.element.type);
} else if (parameter == 'lightwindow_show_images' && this.element.showImages) {
return unescape(this.element.showImages);
} else if (parameter == 'lightwindow_height' && this.element.height) {
return unescape(this.element.height);
} else if (parameter == 'lightwindow_width' && this.element.width) {
return unescape(this.element.width);
} else if (parameter == 'lightwindow_loading_animation' && this.element.loadingAnimation) {
return unescape(this.element.loadingAnimation);
} else if (parameter == 'lightwindow_iframe_embed' && this.element.iframeEmbed) {
return unescape(this.element.iframeEmbed);
} else if (parameter == 'lightwindow_form' && this.element.form) {
return unescape(this.element.form);
} else {
if (!parameters) {
if (this.element.params) parameters = this.element.params;
else return;
}
var value;
var parameterArray = parameters.split(',');
var compareString = parameter+'=';
var compareLength = compareString.length;
for (var i = 0; i < parameterArray.length; i++) {
if (parameterArray[i].substr(0, compareLength) == compareString) {
var currentParameter = parameterArray[i].split('=');
value = currentParameter[1];
break;
}
}
if (!value) return false;
else return unescape(value);
}
},
//
//  Get the Browser Viewport Dimensions
//
_browserDimensions : function() {
if (Prototype.Browser.IE) {
this.dimensions.viewport.height = document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight;
this.dimensions.viewport.width = document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body.clientWidth;   
} else {
this.dimensions.viewport.height = window.innerHeight;
this.dimensions.viewport.width = document.width || document.body.offsetWidth;
}
},
//
//  Get the scrollbar offset, I don't like this method but there is really no other way I can find.
//
_getScrollerWidth : function() {
var scrollDiv = Element.extend(document.createElement('div'));
scrollDiv.setAttribute('id', 'lightwindow_scroll_div');
scrollDiv.setStyle({
position: 'absolute',
top: '-10000px',
left: '-10000px',
width: '100px',
height: '100px',
overflow: 'hidden'
});
var contentDiv = Element.extend(document.createElement('div'));
contentDiv.setAttribute('id', 'lightwindow_content_scroll_div');
contentDiv.setStyle({
width: '100%',
height: '200px'
});
scrollDiv.appendChild(contentDiv);
var body = document.getElementsByTagName('body')[0];
body.appendChild(scrollDiv);
var noScroll = $('lightwindow_content_scroll_div').offsetWidth;
scrollDiv.style.overflow = 'auto';
var withScroll = $('lightwindow_content_scroll_div').offsetWidth;
Element.remove($('lightwindow_scroll_div'));
this.scrollbarOffset = noScroll-withScroll;
},
//
//  Add a param to an object dynamically created
//
_addParamToObject : function(name, value, object, id) {
var param = document.createElement('param');
param.setAttribute('value', value);
param.setAttribute('name', name);
if (id) {
param.setAttribute('id', id);
}
object.appendChild(param);
return object;
},
//
//  Get the outer HTML of an object CROSS BROWSER
//
_outerHTML : function(object) {
if (Prototype.Browser.IE) {
return object.outerHTML;
} else {
var clone = object.cloneNode(true);
var cloneDiv = document.createElement('div');
cloneDiv.appendChild(clone);
return cloneDiv.innerHTML;
}
},
//
//  Convert an object to markup
//
_convertToMarkup : function(object, closeTag) {
var markup = this._outerHTML(object).replace('</'+closeTag+'>', '');
if (Prototype.Browser.IE) {
for (var i = 0; i < object.childNodes.length; i++){
markup += this._outerHTML(object.childNodes[i]);
}
markup += '</'+closeTag+'>';
}
return markup;
},
//
//  Depending what type of browser it is we have to append the object differently... DAMN YOU IE!!
//
_appendObject : function(object, closeTag, appendTo) {
if (Prototype.Browser.IE) {
appendTo.innerHTML += this._convertToMarkup(object, closeTag);
// Fix the Eolas activate thing but only for specified media, for example doing this to a quicktime film breaks it.
if (this.options.EOLASFix.indexOf(this._fileType(this.element.href)) > -1) {
var objectElements = document.getElementsByTagName('object');
for (var i = 0; i < objectElements.length; i++) {
if (objectElements[i].getAttribute("data")) objectElements[i].removeAttribute('data');
objectElements[i].outerHTML = objectElements[i].outerHTML;
objectElements[i].style.visibility = "visible";
}
}
} else {
appendTo.appendChild(object); 
} 
},
//
//  Add in iframe
//
_appendIframe : function(scroll) {
var iframe = document.createElement('iframe');
iframe.setAttribute('id', 'lightwindow_iframe');
iframe.setAttribute('name', 'lightwindow_iframe');
iframe.setAttribute('src', 'about:blank');
iframe.setAttribute('height', '100%');
iframe.setAttribute('width', '100%');
iframe.setAttribute('frameborder', '0');
iframe.setAttribute('marginwidth', '0');
iframe.setAttribute('marginheight', '0');
iframe.setAttribute('scrolling', scroll); 
this._appendObject(iframe, 'iframe', $('lightwindow_contents'));
},
//
//  Write Content to the iframe using the skin
//
_writeToIframe : function(content) {
var template = this.options.skin.iframe;
template = template.replace('{body_replace}', content); 
if ($('lightwindow_iframe').contentWindow){
$('lightwindow_iframe').contentWindow.document.open();
$('lightwindow_iframe').contentWindow.document.write(template);
$('lightwindow_iframe').contentWindow.document.close();
} else {
$('lightwindow_iframe').contentDocument.open();
$('lightwindow_iframe').contentDocument.write(template);
$('lightwindow_iframe').contentDocument.close();
}
},
//
//  Load the window Information
//  
_loadWindow : function() {
switch (this.windowType) {
case 'image' :
var current = 0;
var images = [];
this.checkImage = [];
this.resizeTo.height = this.resizeTo.width = 0;
this.imageCount = this._getParameter('lightwindow_show_images') ? parseInt(this._getParameter('lightwindow_show_images')) : 1;
// If there is a gallery get it
if (gallery = this._getGalleryInfo(this.element.rel)) { 
for (current = 0; current < this.galleries[gallery[0]][gallery[1]].length; current++) {
if (this.contentToFetch.indexOf(this.galleries[gallery[0]][gallery[1]][current].href) > -1) {
break;
}
}
if (this.galleries[gallery[0]][gallery[1]][current-this.imageCount]) {
this.navigationObservers.previous = this.galleries[gallery[0]][gallery[1]][current-this.imageCount];
} else {
this.navigationObservers.previous = false;
}
if (this.galleries[gallery[0]][gallery[1]][current+this.imageCount]) {
this.navigationObservers.next = this.galleries[gallery[0]][gallery[1]][current+this.imageCount];
} else {
this.navigationObservers.next = false;
}
this.activeGallery = true;
} else {
this.navigationObservers.previous = false;
this.navigationObservers.next = false;     
this.activeGallery = false;
}
for (var i = current; i < (current+this.imageCount); i++) {
if (gallery && this.galleries[gallery[0]][gallery[1]][i]) {
this.contentToFetch = this.galleries[gallery[0]][gallery[1]][i].href;
this.galleryLocation = {current: (i+1)/this.imageCount, total: (this.galleries[gallery[0]][gallery[1]].length)/this.imageCount};
if (!this.galleries[gallery[0]][gallery[1]][i+this.imageCount]) {
$('lightwindow_next').setStyle({
display: 'none'
});
} else {
$('lightwindow_next').setStyle({
display: 'block'
});
$('lightwindow_next_title').innerHTML = this.galleries[gallery[0]][gallery[1]][i+this.imageCount].title;
}
if (!this.galleries[gallery[0]][gallery[1]][i-this.imageCount]) {
$('lightwindow_previous').setStyle({
display: 'none'
});
} else {
$('lightwindow_previous').setStyle({
display: 'block'
});
$('lightwindow_previous_title').innerHTML = this.galleries[gallery[0]][gallery[1]][i-this.imageCount].title;
}
}
images[i] = document.createElement('img');
images[i].setAttribute('id', 'lightwindow_image_'+i);
images[i].setAttribute('border', '0');
images[i].setAttribute('src', this.contentToFetch);
$('lightwindow_contents').appendChild(images[i]);
// We have to do this instead of .onload 
this.checkImage[i] = new PeriodicalExecuter(function(i) {
if (!(typeof $('lightwindow_image_'+i).naturalWidth != "undefined" && $('lightwindow_image_'+i).naturalWidth == 0)) {
this.checkImage[i].stop();
var imageHeight = $('lightwindow_image_'+i).getHeight();
if (imageHeight > this.resizeTo.height) {
this.resizeTo.height = imageHeight;
}
this.resizeTo.width += $('lightwindow_image_'+i).getWidth();
this.imageCount--;
$('lightwindow_image_'+i).setStyle({
height: '100%'
});
if (this.imageCount == 0) {
this._processWindow();
}
}
}.bind(this, i), 1);   
}
break;
case 'media' :   
var current = 0;
this.resizeTo.height = this.resizeTo.width = 0;
// If there is a gallery get it
if (gallery = this._getGalleryInfo(this.element.rel)) { 
for (current = 0; current < this.galleries[gallery[0]][gallery[1]].length; current++) {
if (this.contentToFetch.indexOf(this.galleries[gallery[0]][gallery[1]][current].href) > -1) {
break;
}
}
if (this.galleries[gallery[0]][gallery[1]][current-1]) {
this.navigationObservers.previous = this.galleries[gallery[0]][gallery[1]][current-1];
} else {
this.navigationObservers.previous = false;
}
if (this.galleries[gallery[0]][gallery[1]][current+1]) {
this.navigationObservers.next = this.galleries[gallery[0]][gallery[1]][current+1];
} else {
this.navigationObservers.next = false;
}
this.activeGallery = true;
} else {
this.navigationObservers.previous = false;
this.navigationObservers.next = false;
this.activeGallery = false;
}
if (gallery && this.galleries[gallery[0]][gallery[1]][current]) {
this.contentToFetch = this.galleries[gallery[0]][gallery[1]][current].href;
this.galleryLocation = {current: current+1, total: this.galleries[gallery[0]][gallery[1]].length};
if (!this.galleries[gallery[0]][gallery[1]][current+1]) {
$('lightwindow_next').setStyle({
display: 'none'
});
} else {
$('lightwindow_next').setStyle({
display: 'block'
});
$('lightwindow_next_title').innerHTML = this.galleries[gallery[0]][gallery[1]][current+1].title;
}
if (!this.galleries[gallery[0]][gallery[1]][current-1]) {
$('lightwindow_previous').setStyle({
display: 'none'
});
} else {
$('lightwindow_previous').setStyle({
display: 'block'
});
$('lightwindow_previous_title').innerHTML = this.galleries[gallery[0]][gallery[1]][current-1].title;
}
}
if (this._getParameter('lightwindow_iframe_embed')) {
this.resizeTo.height = this.dimensions.viewport.height;
this.resizeTo.width = this.dimensions.viewport.width; 
} else {
this.resizeTo.height = this._getParameter('lightwindow_height');
this.resizeTo.width = this._getParameter('lightwindow_width');    
}
this._processWindow();
break;
case 'external' :  
this._appendIframe('auto');
this.resizeTo.height = this.dimensions.viewport.height;
this.resizeTo.width = this.dimensions.viewport.width;
this._processWindow();
break;
case 'page' : 
var newAJAX = new Ajax.Request(
this.contentToFetch, {
method: 'get', 
parameters: '', 
onComplete: function(response) {
$('lightwindow_contents').innerHTML += response.responseText;
this.resizeTo.height = $('lightwindow_contents').scrollHeight+(this.options.contentOffset.height);
this.resizeTo.width = $('lightwindow_contents').scrollWidth+(this.options.contentOffset.width);
this._processWindow();
}.bind(this)
}
);
break;
case 'inline' : 
var content = this.contentToFetch;
if (content.indexOf('?') > -1) {
content = content.substring(0, content.indexOf('?'));
}
content = content.substring(content.indexOf('#')+1);
new Insertion.Top($('lightwindow_contents'), $(content).innerHTML);
this.resizeTo.height = $('lightwindow_contents').scrollHeight+(this.options.contentOffset.height);
this.resizeTo.width = $('lightwindow_contents').scrollWidth+(this.options.contentOffset.width);
this._toggleTroubleElements('hidden', true);    
this._processWindow();
break;
default : 
throw("Page Type could not be determined, please amend this lightwindow URL "+this.contentToFetch);
break;
}
},
//
//  Resize the Window to fit the viewport if necessary
//
_resizeWindowToFit : function() {
if (this.resizeTo.height+this.dimensions.cruft.height > this.dimensions.viewport.height) {
var heightRatio = this.resizeTo.height/this.resizeTo.width;
this.resizeTo.height = this.dimensions.viewport.height-this.dimensions.cruft.height-(2*this.options.viewportPadding);
// We only care about ratio's with this window type   
if (this.windowType == 'image' || (this.windowType == 'media' && !this._getParameter('lightwindow_iframe_embed'))) {
this.resizeTo.width = this.resizeTo.height/heightRatio;
$('lightwindow_data_slide_inner').setStyle({
width: this.resizeTo.width+'px'
});   
}
} 
if (this.resizeTo.width+this.dimensions.cruft.width > this.dimensions.viewport.width) {
var widthRatio = this.resizeTo.width/this.resizeTo.height;
this.resizeTo.width = this.dimensions.viewport.width-2*this.dimensions.cruft.width-(2*this.options.viewportPadding);
// We only care about ratio's with this window type
if (this.windowType == 'image' || (this.windowType == 'media' && !this._getParameter('lightwindow_iframe_embed'))) {
this.resizeTo.height = this.resizeTo.width/widthRatio;
$('lightwindow_data_slide_inner').setStyle({
height: this.resizeTo.height+'px'
});
}
}
},
//
//  Set the Window to a preset size
//
_presetWindowSize : function() {
if (this._getParameter('lightwindow_height')) {
this.resizeTo.height = parseFloat(this._getParameter('lightwindow_height'));
}
if (this._getParameter('lightwindow_width')) {
this.resizeTo.width = parseFloat(this._getParameter('lightwindow_width'));
}
},
//
//  Process the Window
//
_processWindow : function() {
// Clean out our effects
this.dimensions.dataEffects = [];
// Set up the data-slide if we have caption information
if (this.element.caption || this.element.author || (this.activeGallery && this.options.showGalleryCount)) {
if (this.element.caption) {
$('lightwindow_data_caption').innerHTML = this.element.caption;
$('lightwindow_data_caption').setStyle({
display: 'block'
});
} else {
$('lightwindow_data_caption').setStyle({
display: 'none'
});    
}
if (this.element.author) {
$('lightwindow_data_author').innerHTML = this.element.author;
$('lightwindow_data_author_container').setStyle({
display: 'block'
});
} else {
$('lightwindow_data_author_container').setStyle({
display: 'none'
});    
}
if (this.activeGallery && this.options.showGalleryCount) {
$('lightwindow_data_gallery_current').innerHTML = this.galleryLocation.current;
$('lightwindow_data_gallery_total').innerHTML = this.galleryLocation.total;
$('lightwindow_data_gallery_container').setStyle({
display: 'block'
});
} else {
$('lightwindow_data_gallery_container').setStyle({
display: 'none'
});    
}
$('lightwindow_data_slide_inner').setStyle({
width: this.resizeTo.width+'px',
height: 'auto',
visibility: 'visible',
display: 'block'
});
$('lightwindow_data_slide').setStyle({
height: $('lightwindow_data_slide').getHeight()+'px',
width: '1px',
overflow: 'hidden',
display: 'block'
});
} else {
$('lightwindow_data_slide').setStyle({
display: 'none',
width: 'auto'
});
$('lightwindow_data_slide_inner').setStyle({
display: 'none',
visibility: 'hidden',
width: this.resizeTo.width+'px',
height: '0px'
});
}
/*
if (this.element.title != 'null') {  
$('lightwindow_title_bar_title').innerHTML = this.element.title;
} else {
$('lightwindow_title_bar_title').innerHTML = '';
}
*/
$('lightwindow_title_bar_title').innerHTML = '';
var originalContainerDimensions = {height: $('lightwindow_container').getHeight(), width: $('lightwindow_container').getWidth()};
// Position the window
$('lightwindow_container').setStyle({
height: 'auto',
// We need to set the width to a px not auto as opera has problems with it
width: $('lightwindow_container').getWidth()+this.options.contentOffset.width-(this.windowActive ? this.options.contentOffset.width : 0)+'px'
});
var newContainerDimensions = {height: $('lightwindow_container').getHeight(), width: $('lightwindow_container').getWidth()};
// We need to record the container dimension changes
this.containerChange = {height: originalContainerDimensions.height-newContainerDimensions.height, width: originalContainerDimensions.width-newContainerDimensions.width};
// Get out general dimensions
this.dimensions.container = {height: $('lightwindow_container').getHeight(), width: $('lightwindow_container').getWidth()};
this.dimensions.cruft = {height: this.dimensions.container.height-$('lightwindow_contents').getHeight()+this.options.contentOffset.height, width: this.dimensions.container.width-$('lightwindow_contents').getWidth()+this.options.contentOffset.width};
// Set Sizes if we need too
this._presetWindowSize();
this._resizeWindowToFit(); // Even if the window is preset we still don't want it to go outside of the viewport
if (!this.windowActive) {
// Position the window
$('lightwindow_container').setStyle({
left: -(this.dimensions.container.width/2)+'px',
top: -(this.dimensions.container.height/2)+'px'
});
}
$('lightwindow_container').setStyle({
height: this.dimensions.container.height+'px',
width: this.dimensions.container.width+'px'
});
// We are ready, lets show this puppy off!
this._displayLightWindow('block', 'visible');
this._animateLightWindow();
},
//
//  Fire off our animation handler
//
_animateLightWindow : function() {
if (this.options.animationHandler) {
this.options.animationHandler().bind(this);
} else {
this._defaultAnimationHandler();
}
},
//
//  Fire off our transition handler
//
_handleNavigation : function(display) {
if (this.options.navigationHandler) {
this.options.navigationHandler().bind(this, display);
} else {
this._defaultDisplayNavigation(display);
}
},
//
//  Fire off our transition handler
//
_handleTransition : function() {
if (this.options.transitionHandler) {
this.options.transitionHandler().bind(this);
} else {
this._defaultTransitionHandler();
}
},
//
//  Handle the finish of the window animation
// 
_handleFinalWindowAnimation : function(delay) {
if (this.options.finalAnimationHandler) {
this.options.finalAnimationHandler().bind(this, delay);
} else {
this._defaultfinalWindowAnimationHandler(delay);
}  
},
//
//  Handle the gallery Animation
// 
_handleGalleryAnimation : function(list) {
if (this.options.galleryAnimationHandler) {
this.options.galleryAnimationHandler().bind(this, list);
} else {
this._defaultGalleryAnimationHandler(list);
}  
},
//
//  Display the navigation 
//
_defaultDisplayNavigation : function(display) {
if (display) {
$('lightwindow_navigation').setStyle({
display: 'block',
height: $('lightwindow_contents').getHeight()+'px',
width: '100%',
marginTop: this.options.dimensions.titleHeight+'px'
});   
} else {
$('lightwindow_navigation').setStyle({
display: 'none',
height: 'auto',
width: 'auto'
});   
}
},
//
//  This is the default animation handler for LightWindow
//
_defaultAnimationHandler : function() { 
// Now that we have figures out the cruft lets make the caption go away and add its effects
if (this.element.caption || this.element.author || (this.activeGallery && this.options.showGalleryCount)) {
$('lightwindow_data_slide').setStyle({
display: 'none',
width: 'auto'
});
this.dimensions.dataEffects.push(
new Effect.SlideDown('lightwindow_data_slide', {sync: true}),
new Effect.Appear('lightwindow_data_slide', {sync: true, from: 0.0, to: 1.0})
);
}
// Set up the Title if we have one
$('lightwindow_title_bar_inner').setStyle({
height: '0px',
marginTop: this.options.dimensions.titleHeight+'px'
});
// We always want the title bar as well
//  this.dimensions.dataEffects.push(
//   new Effect.Morph('lightwindow_title_bar_inner', {sync: true, style: {height: this.options.dimensions.titleHeight+'px', marginTop: '0px'}}),
//    new Effect.Appear('lightwindow_title_bar_inner', {sync: true, from: 0.0, to: 1.0})
//);  
if (!this.options.hideGalleryTab) {
this._handleGalleryAnimation(false);
if ($('lightwindow_galleries_tab_container').getHeight() == 0) {
this.dimensions.dataEffects.push(
new Effect.Morph('lightwindow_galleries_tab_container', {sync: true, style: {height: '20px', marginTop: '0px'}})
);
$('lightwindow_galleries').setStyle({
width: '0px'
});
} 
}
var resized = false;
var ratio = this.dimensions.container.width-$('lightwindow_contents').getWidth()+this.resizeTo.width+this.options.contentOffset.width;
if (ratio != $('lightwindow_container').getWidth()) {
new Effect.Parallel([
new Effect.Scale('lightwindow_contents', 100*(this.resizeTo.width/$('lightwindow_contents').getWidth()), {scaleFrom: 100*($('lightwindow_contents').getWidth()/($('lightwindow_contents').getWidth()+(this.options.contentOffset.width))), sync: true,  scaleY: false, scaleContent: false}),
new Effect.Scale('lightwindow_container', 100*(ratio/(this.dimensions.container.width)), {sync: true, scaleY: false, scaleFromCenter: true, scaleContent: false})
], {
duration: this.duration, 
delay: 0.25,
queue: {position: 'end', scope: 'lightwindowAnimation'}
}
);  
}
ratio = this.dimensions.container.height-$('lightwindow_contents').getHeight()+this.resizeTo.height+this.options.contentOffset.height;
if (ratio != $('lightwindow_container').getHeight()) {
new Effect.Parallel([
new Effect.Scale('lightwindow_contents', 100*(this.resizeTo.height/$('lightwindow_contents').getHeight()), {scaleFrom: 100*($('lightwindow_contents').getHeight()/($('lightwindow_contents').getHeight()+(this.options.contentOffset.height))), sync: true, scaleX: false, scaleContent: false}),
new Effect.Scale('lightwindow_container', 100*(ratio/(this.dimensions.container.height)), {sync: true, scaleX: false, scaleFromCenter: true, scaleContent: false})
], {
duration: this.duration, 
afterFinish: function() {    
if (this.dimensions.dataEffects.length > 0) {
if (!this.options.hideGalleryTab) {
$('lightwindow_galleries').setStyle({
width: this.resizeTo.width+'px'
});
}
new Effect.Parallel(this.dimensions.dataEffects, {
duration: this.duration,
afterFinish: function() {
this._finishWindow();
}.bind(this),
queue: {position: 'end', scope: 'lightwindowAnimation'} 
}
);
}
}.bind(this), 
queue: {position: 'end', scope: 'lightwindowAnimation'} 
}
);
resized = true;
}
// We need to do our data effect since there was no resizing
if (!resized && this.dimensions.dataEffects.length > 0) { 
new Effect.Parallel(this.dimensions.dataEffects, {
duration: this.duration,
beforeStart: function() {
if (!this.options.hideGalleryTab) {
$('lightwindow_galleries').setStyle({
width: this.resizeTo.width+'px'
});
}
if (this.containerChange.height != 0 || this.containerChange.width != 0) {
new Effect.MoveBy('lightwindow_container', this.containerChange.height, this.containerChange.width, {transition: Effect.Transitions.sinoidal});
}
}.bind(this),   
afterFinish: function() {
this._finishWindow();
}.bind(this),
queue: {position: 'end', scope: 'lightwindowAnimation'} 
}
);
}   
},
//
//  Finish up Window Animation
//
_defaultfinalWindowAnimationHandler : function(delay) {
if (this.windowType == 'media' || this._getParameter('lightwindow_loading_animation')) { 
// Because of major flickering with the overlay we just hide it in this case
Element.hide('lightwindow_loading');
this._handleNavigation(this.activeGallery);
this._setStatus(false);
} else {
Effect.Fade('lightwindow_loading', {
duration: 0.75,
delay: 0.2,   // FREDRIK 1 
afterFinish: function() {
// Just in case we need some scroll goodness (this also avoids the swiss cheese effect)
if (this.windowType != 'image' && this.windowType != 'media' && this.windowType != 'external') {
$('lightwindow_contents').setStyle({
overflow: 'auto'
});
}
this._handleNavigation(this.activeGallery);
this._defaultGalleryAnimationHandler();
this._setStatus(false);
}.bind(this),
queue: {position: 'end', scope: 'lightwindowAnimation'}
});
}
},
//
//  Handle the gallery Animation
//
_defaultGalleryAnimationHandler : function(list) {
if (this.activeGallery) {
$('lightwindow_galleries').setStyle({
display: 'block',
marginBottom: $('lightwindow_data_slide').getHeight()+this.options.contentOffset.height/2+'px'
});
$('lightwindow_navigation').setStyle({
height: $('lightwindow_contents').getHeight()-20+'px'
});
} else {
$('lightwindow_galleries').setStyle({
display: 'none'
}); 
$('lightwindow_galleries_tab_container').setStyle({
height: '0px',
marginTop: '20px'
});
$('lightwindow_galleries_list').setStyle({
height: '0px'
});
return false;
}
if (list) {
if ($('lightwindow_galleries_list').getHeight() == 0) {
var height = $('lightwindow_contents').getHeight()*0.80;
$('lightwindow_galleries_tab_span').className = 'down';
} else {
var height = 0;
$('lightwindow_galleries_tab_span').className = 'up';
}
new Effect.Morph('lightwindow_galleries_list', {
duration: this.duration,
transition: Effect.Transitions.sinoidal,
style: {height: height+'px'},
beforeStart: function() {
$('lightwindow_galleries_list').setStyle({
overflow: 'hidden'
});     
},
afterFinish: function() {
$('lightwindow_galleries_list').setStyle({
overflow: 'auto'
});
},
queue: {position: 'end', scope: 'lightwindowAnimation'}
}); 
}
},
//
//  Default Transition Handler
//
_defaultTransitionHandler : function() {
// Clean out our effects
this.dimensions.dataEffects = [];
// Now that we have figures out the cruft lets make the caption go away and add its effects
if ($('lightwindow_data_slide').getStyle('display') != 'none') {
this.dimensions.dataEffects.push(
new Effect.SlideUp('lightwindow_data_slide', {sync: true}),
new Effect.Fade('lightwindow_data_slide', {sync: true, from: 1.0, to: 0.0})
);
}
if (!this.options.hideGalleryTab) {
if ($('lightwindow_galleries').getHeight() != 0 && !this.options.hideGalleryTab) {
this.dimensions.dataEffects.push(
new Effect.Morph('lightwindow_galleries_tab_container', {sync: true, style: {height: '0px', marginTop: '20px'}})
);
}
if ($('lightwindow_galleries_list').getHeight() != 0) {
$('lightwindow_galleries_tab_span').className = 'up';
this.dimensions.dataEffects.push(
new Effect.Morph('lightwindow_galleries_list', {
sync: true, 
style: {height: '0px'},
transition: Effect.Transitions.sinoidal,
beforeStart: function() {
$('lightwindow_galleries_list').setStyle({
overflow: 'hidden'
});     
},
afterFinish: function() {
$('lightwindow_galleries_list').setStyle({
overflow: 'auto'
});
}
})
);
}
}
// We always want the title bar as well
//  this.dimensions.dataEffects.push(
//   new Effect.Morph('lightwindow_title_bar_inner', {sync: true, style: {height: '0px', marginTop: this.options.dimensions.titleHeight+'px'}}),
//    new Effect.Fade('lightwindow_title_bar_inner', {sync: true, from: 1.0, to: 0.0})
//  );
new Effect.Parallel(this.dimensions.dataEffects, {
duration: this.duration,
afterFinish: function() {
this._loadWindow();
}.bind(this),
queue: {position: 'end', scope: 'lightwindowAnimation'} 
}
); 
},
//
// Default Form handler for LightWindow
//
_defaultFormHandler : function(e) {
var element = Event.element(e).parentNode;
var parameterString = Form.serialize(this._getParameter('lightwindow_form', element.getAttribute('params')));
if (this.options.formMethod == 'post') {
var newAJAX = new Ajax.Request(element.href, { 
method: 'post', 
postBody: parameterString, 
onComplete: this.openWindow.bind(this, element)
});
} else if (this.options.formMethod == 'get') {
var newAJAX = new Ajax.Request(element.href, { 
method: 'get', 
parameters: parameterString, 
onComplete: this.openWindow.bind(this, element)
});
}
},
// 
//  Wrap everything up
//
_finishWindow : function() {
if (this.windowType == 'external') {
// We set the externals source here because it allows for a much smoother animation
$('lightwindow_iframe').setAttribute('src', this.element.href);
this._handleFinalWindowAnimation(1); 
} else if (this.windowType == 'media') {
var outerObject = document.createElement('object');
outerObject.setAttribute('classid', this.options.classids[this._fileExtension(this.contentToFetch)]);
outerObject.setAttribute('codebase', this.options.codebases[this._fileExtension(this.contentToFetch)]);
outerObject.setAttribute('id', 'lightwindow_media_primary');
outerObject.setAttribute('name', 'lightwindow_media_primary');
outerObject.setAttribute('width', this.resizeTo.width);
outerObject.setAttribute('height', this.resizeTo.height);
outerObject = this._addParamToObject('movie', this.contentToFetch, outerObject);
outerObject = this._addParamToObject('src', this.contentToFetch, outerObject);
outerObject = this._addParamToObject('controller', 'true', outerObject);
outerObject = this._addParamToObject('wmode', 'transparent', outerObject);
outerObject = this._addParamToObject('cache', 'false', outerObject);
outerObject = this._addParamToObject('quality', 'high', outerObject);
if (!Prototype.Browser.IE) {
var innerObject = document.createElement('object');
innerObject.setAttribute('type', this.options.mimeTypes[this._fileExtension(this.contentToFetch)]);
innerObject.setAttribute('data', this.contentToFetch);
innerObject.setAttribute('id', 'lightwindow_media_secondary');
innerObject.setAttribute('name', 'lightwindow_media_secondary');
innerObject.setAttribute('width', this.resizeTo.width);
innerObject.setAttribute('height', this.resizeTo.height);
innerObject = this._addParamToObject('controller', 'true', innerObject);
innerObject = this._addParamToObject('wmode', 'transparent', innerObject);
innerObject = this._addParamToObject('cache', 'false', innerObject);
innerObject = this._addParamToObject('quality', 'high', innerObject);
outerObject.appendChild(innerObject);
} 
if (this._getParameter('lightwindow_iframe_embed')) {
this._appendIframe('no');
this._writeToIframe(this._convertToMarkup(outerObject, 'object'));
} else {
this._appendObject(outerObject, 'object', $('lightwindow_contents'));
}
this._handleFinalWindowAnimation(0);
} else {
this._handleFinalWindowAnimation(0);
}
// Initialize any actions
this._setupActions();
}
}
/*-----------------------------------------------------------------------------------------------*/
Event.observe(window, 'load', lightwindowInit, false);
//
// Set up all of our links
//
var myLightWindow = null;
function lightwindowInit() {
myLightWindow = new lightwindow();
}// accordion.js v2.0
//
// Copyright (c) 2007 stickmanlabs
// Author: Kevin P Miller | http://www.stickmanlabs.com
// 
// Accordion is freely distributable under the terms of an MIT-style license.
//
// I don't care what you think about the file size...
//   Be a pro: 
//     http://www.thinkvitamin.com/features/webapps/serving-javascript-fast
//      http://rakaz.nl/item/make_your_pages_load_faster_by_combining_and_compressing_javascript_and_css_files
//
/*-----------------------------------------------------------------------------------------------*/
if (typeof Effect == 'undefined') 
throw("accordion.js requires including script.aculo.us' effects.js library!");
/////////////////////////////////////////////////////////////////////////////////////
//
// FredrikScale
//
// This is based on the Effect.Scale from the original accordion
// but modified to handle IE correctly.
//
Effect.FredrikScale = Class.create();
Object.extend(Object.extend(Effect.FredrikScale.prototype, Effect.Base.prototype), {
initialize: function(element, percent) {
this.element = $(element);
if(!this.element) throw(Effect._elementDoesNotExistError);
var options = Object.extend({
scaleX: true,
scaleY: true,
scaleContent: true,
scaleFromCenter: false,
scaleMode: 'box',        // 'box' or 'contents' or {} with provided values
scaleFrom: 100.0,
scaleTo:   percent
}, arguments[2] || {});
this.start(options);
},
setup: function() {
this.restoreAfterFinish = this.options.restoreAfterFinish || false;
this.elementPositioning = this.element.getStyle('position');
this.originalStyle = {};
['top','left','width','height','fontSize'].each( function(k) {
this.originalStyle[k] = this.element.style[k];
}.bind(this));
this.originalTop  = this.element.offsetTop;
this.originalLeft = this.element.offsetLeft;
var fontSize = this.element.getStyle('font-size') || '100%';
['em','px','%','pt'].each( function(fontSizeType) {
if(fontSize.indexOf(fontSizeType)>0) {
this.fontSize     = parseFloat(fontSize);
this.fontSizeType = fontSizeType;
}
}.bind(this));
this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
this.dims = null;
if(this.options.scaleMode=='box')
this.dims = [this.element.offsetHeight, this.element.offsetWidth];
if(/^content/.test(this.options.scaleMode))
this.dims = [this.element.scrollHeight, this.element.scrollWidth];
if(!this.dims)
this.dims = [this.options.scaleMode.originalHeight,
this.options.scaleMode.originalWidth];
},
update: function(position) {
var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
if(this.options.scaleContent && this.fontSize)
this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
// FREDRIK 2009-01-22: Fixat bugg i IE genom att lagga till Math.max
this.setDimensions(Math.max(this.dims[0] * currentScale, 1), Math.max(this.dims[1] * currentScale, 1));
},
finish: function(position) {
if(this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
},
setDimensions: function(height, width) {
var d = {};
if(this.options.scaleX) d.width = Math.round(width) + 'px';
if(this.options.scaleY) d.height = Math.round(height) + 'px';
if(this.options.scaleFromCenter) {
var topd  = (height - this.dims[0])/2;
var leftd = (width  - this.dims[1])/2;
if(this.elementPositioning == 'absolute') {
if(this.options.scaleY) d.top = this.originalTop-topd + 'px';
if(this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
} else {
if(this.options.scaleY) d.top = -topd + 'px';
if(this.options.scaleX) d.left = -leftd + 'px';
}
}
this.element.setStyle(d);
}
});
/////////////////////////////////////////////////////////////////////////////////////
//
//  accordion
//
//  Accordion modified by Fredrik not to alter visibility, only height 
//
var accordion = Class.create();
accordion.prototype = {
showAccordion : null,
currentAccordion : null,
duration : null,
effects : [],
animating : false,
//
// FREDRIK: statecookie
//
statecookie: function(state) {
if (this.options.cookie) {
var exdate=new Date();
exdate.setDate(exdate.getDate()+1000);
document.cookie=this.options.cookie+ "=" +escape(state)+
";expires="+exdate.toGMTString();
}
},
//
// Initialize the accordion
//
initialize: function(container, options) {
if (!$(container)) {
throw(container+" doesn't exist!");
return false;
}
this.options = Object.extend({
resizeSpeed : 8,
classNames : {
toggle : 'accordion_toggle',
toggleActive : 'accordion_toggle_active',
content : 'accordion_content'
},
defaultSize : {
height : null,
width : null
},
direction : 'vertical',
onEvent : 'click'
}, options || {});
this.duration = ((11-this.options.resizeSpeed)*0.15);
var accordions = $$('#'+container+' .'+this.options.classNames.toggle);
accordions.each(function(accordion) {
Event.observe(accordion, this.options.onEvent, this.activate.bind(this, accordion), false);
if (this.options.onEvent == 'click') {
accordion.onclick = function() {return false;};
}
if (this.options.direction == 'horizontal') {
var options = $H({width: '0px'});
} else {
var options = $H({height: '1px'});   
}
//   options.merge({display: 'none'});   
this.currentAccordion = $(accordion.previous(0)).setStyle(options);
}.bind(this));
},
//
//  Activate an accordion
//
activate : function(accordion) {
if (this.animating) {
return false;
}
this.effects = [];
this.currentAccordion = $(accordion.previous(0));
this.currentAccordion.setStyle({
display: 'block',
visibility: 'visible'
});   
this.currentAccordion.next(0).addClassName(this.options.classNames.toggleActive);
if (this.options.direction == 'horizontal') {
this.scaling = $H({
scaleX: true,
scaleY: false
});
} else {
this.scaling = $H({
scaleX: false,
scaleY: true
});   
}
if (this.currentAccordion == this.showAccordion)
this.deactivate();
else
this._handleAccordion();
},
// 
// Deactivate an active accordion
//
deactivate : function() {
var options = $H({
duration: this.duration,
scaleContent: false,
transition: Effect.Transitions.sinoidal,
queue: {
position: 'end', 
scope: 'accordionAnimation'
},
scaleMode: { 
originalHeight: this.options.defaultSize.height ? this.options.defaultSize.height : this.currentAccordion.scrollHeight,
originalWidth: this.options.defaultSize.width ? this.options.defaultSize.width : this.currentAccordion.scrollWidth
},
afterFinish: function() {
if (this.showAccordion)  // FREDRIK
this.showAccordion.setStyle({
height: '1px'    // FREDRIK FIXAT (var auto innan)
//     display: 'none',
//         visibility: 'hiddden'
});    
this.showAccordion = null;
this.animating = false;
}.bind(this)
});    
options.merge(this.scaling);
if (this.showAccordion) {  // FREDRIK
this.showAccordion.next(0).removeClassName(this.options.classNames.toggleActive);
new Effect.FredrikScale(this.showAccordion, 0, options);
}
// FREDRIK - button
($$('#'+this.options.switchButton))[0].className = this.options.openClass;
this.statecookie(0);
},
//
// Handle the open/close actions of the accordion
//
_handleAccordion : function() {
var options = $H({
sync: true,
scaleFrom: 0,
scaleContent: false,
transition: Effect.Transitions.sinoidal,
scaleMode: { 
originalHeight: this.options.defaultSize.height ? this.options.defaultSize.height : this.currentAccordion.scrollHeight,
originalWidth: this.options.defaultSize.width ? this.options.defaultSize.width : this.currentAccordion.scrollWidth
}
});
options.merge(this.scaling);
this.effects.push(
new Effect.FredrikScale(this.currentAccordion, 100, options)
);
if (this.showAccordion) {
this.showAccordion.previous(0).removeClassName(this.options.classNames.toggleActive);
options = $H({
sync: true,
scaleContent: false,
transition: Effect.Transitions.sinoidal
});
options.merge(this.scaling);
this.effects.push(
new Effect.FredrikScale(this.showAccordion, 0, options)
);    
}
new Effect.Parallel(this.effects, {
duration: this.duration, 
queue: {
position: 'end', 
scope: 'accordionAnimation'
},
beforeStart: function() {
this.animating = true;
}.bind(this),
afterFinish: function() {
if (this.showAccordion) {
this.showAccordion.setStyle({
//     display: 'none'
});    
}
$(this.currentAccordion).setStyle({
height: 'auto'
});
this.showAccordion = this.currentAccordion;
this.animating = false;
// FREDRIK - button 
($$('#'+this.options.switchButton))[0].className = this.options.closeClass;
this.statecookie(1);
}.bind(this)
});
}
}