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);
}
;
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)) {
params['_method'] = this.method;
this.method = 'post';
}
this.parameters = params;
if (params = Hash.toQueryString(params)) {
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);
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 : '');
if (this.transport.overrideMimeType && (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1]
  < 2005)
headers['Connection'] = 'close';
}
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') {
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|$)");
for (var i = 0,length = children.length; i < length; i++) {
child = children[i];
var elementClassName = child.className;
if (elementClassName.length == 0)continue;
if (elementClassName == className || elementClassName.match(pattern))
elements.push(Element.extend(child));
}
return elements;
};
if (!window.Element)var Element = {};
Element.extend = function(element) {
var F = Prototype.BrowserFeatures;
if (!element || !element.tagName || element.nodeType == 3 || element._extended
|| F.SpecificElementExtensions || element == window)
return element;
var methods = {},tagName = element.tagName,cache = Element.extend.cache,T = Element.Methods.ByTag;
if (!F.ElementExtensions) {
Object.extend(methods, Element.Methods),Object.extend(methods, Element.Methods.Simulated);
}
if (T[tagName])Object.extend(methods, T[tagName]);
for (var property in methods) {
var value = methods[property];
if (typeof value == 'function' && !(property in element))
element[property] = cache.findOrStore(value);
}
element._extended = Prototype.emptyFunction;
return element;
};
Element.extend.cache = {findOrStore:function(value) {
return this[value] = this[value] || function() {
return value.apply(null, [this].concat($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();
},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)
return{width:element.offsetWidth,height:element.offsetHeight};
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';
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;
};
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);
var Selector = Class.create();
Selector.prototype = {initialize:function(expression) {
this.expression = expression.strip();
this.compileMatcher();
},compileMatcher:function() {
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}')]",'$=':"[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",'*=':"[contains(@#{1}, '#{3}')]",'~=':"[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",'|=':"[contains(concat('-', @#{1}, '-'), '-#{3}-')]"},pseudos:{'first-child':'[not(preceding-sibling::*)]','last-child':'[not(following-sibling::*)]','only-child':'[not(preceding-sibling::* or following-sibling::*)]','empty':"[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",'checked':"[@checked]",'disabled':"[@disabled]",'enabled':"[not(@disabled)]",'not':function(
m) {
var e = m[6],p = Selector.patterns,x = Selector.xpath,le,m,v;
var exclusion = [];
while (e && le != e && (/\S/).test(e)) {
le = e;
for (var i in p) {
if (m = e.match(p[i])) {
    v = typeof x[i] == 'function' ? x[i](m) : new Template(x[i]).evaluate(m);
    exclusion.push("(" + v.substring(1, v.length - 1) + ")");
    e = e.replace(m[0], '');
    break;
}
}
}
return"[not(" + exclusion.join(" and ") + ")]";
},'nth-child':function(m) {
return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
},'nth-last-child':function(m) {
return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
},'nth-of-type':function(m) {
return Selector.xpath.pseudos.nth("position() ", m);
},'nth-last-of-type':function(m) {
return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
},'first-of-type':function(m) {
m[6] = "1";
return Selector.xpath.pseudos['nth-of-type'](m);
},'last-of-type':function(m) {
m[6] = "1";
return Selector.xpath.pseudos['nth-last-of-type'](m);
},'only-of-type':function(m) {
var p = Selector.xpath.pseudos;
return p['first-of-type'](m) + p['last-of-type'](m);
},nth:function(fragment, m) {
var mm,formula = m[6],predicate;
if (formula == 'even')formula = '2n+0';
if (formula == 'odd')formula = '2n+1';
if (mm = formula.match(/^(\d+)$/))
return'[' + fragment + "= " + mm[1] + ']';
if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) {
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:{laterSibling:/^\s*~\s*/,child:/^\s*>\s*/,adjacent:/^\s*\+\s*/,descendant:/^\s/,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:{concat:function(
a, b) {
for (var i = 0,node; node = b[i]; i++)
a.push(node);
return a;
},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;
},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++;
}
},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);
},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;
},tagName:function(nodes, root, tagName, combinator) {
tagName = tagName.toUpperCase();
var results = [],h = Selector.handlers;
if (nodes) {
if (combinator) {
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);
},getIndices:function(a, b, total) {
if (a == 0)return b > 0 ? [b] : [];
return $R(1, total).inject([], function(memo, i) {
if (0 == (i - b) % a && (i - b) / a >= 0)memo.push(i);
return memo;
});
},nth:function(nodes, formula, root, reverse, ofType) {
if (nodes.length == 0)return[];
if (formula == 'even')formula = '2n+0';
if (formula == 'odd')formula = '2n+1';
var h = Selector.handlers,results = [],indexed = [],m;
h.mark(nodes);
for (var i = 0,node; node = nodes[i]; i++) {
if (!node.parentNode._counted) {
h.index(node.parentNode, reverse, ofType);
indexed.push(node.parentNode);
}
}
if (formula.match(/^\d+$/)) {
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+))?/)) {
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++) {
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) {
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;
}
},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) {
}
}
}});
if (Prototype.Browser.IE)
Event.observe(window, 'unload', Event.unloadCache, false);
var Position = {includeScrollOffsets:false,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;
},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);
},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;
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]
|| {})
source = $(source);
var p = Position.page(source);
target = $(target);
var delta = [0,0];
var parent = null;
if (Element.getStyle(target, 'position') == 'absolute') {
parent = Position.offsetParent(target);
delta = Position.page(parent);
}
if (parent == document.body) {
delta[0] -= document.body.offsetLeft;
delta[1] -= document.body.offsetTop;
}
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;
}}
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();