var Cookies = {

setCookie: function(name, value, lifespan, access_path) {

var cookietext = name + "=" + escape(value)
if (lifespan != null) {
var today=new Date()
var expiredate = new Date()
expiredate.setTime(today.getTime() + 1000*60*60*24*lifespan)
cookietext += "; expires=" + expiredate.toGMTString()
}
if (access_path != null) {
cookietext += "; PATH="+access_path
}
document.cookie = cookietext
return null
},


setDatedCookie: function(name, value, expire, access_path) {
var cookietext = name + "=" + escape(value)
+ ((expire == null) ? "" : ("; expires=" + expire.toGMTString()))
if (access_path != null) {
cookietext += "; PATH="+access_path
}
document.cookie = cookietext
return null
},


getCookie: function(Name) {
var search = Name + "="
var CookieString = document.cookie
var result = null
if (CookieString.length > 0) {
offset = CookieString.indexOf(search)
if (offset != -1) {
offset += search.length
end = CookieString.indexOf(";", offset)
if (end == -1)
end = CookieString.length
result = unescape(CookieString.substring(offset, end))

}
}
return result
},


deleteCookie: function(name) {
Cookies.setCookie(name, "Deleted", -1)
}

}

var pc = navigator.userAgent.toLowerCase();
var ie4_win = (pc.indexOf("win")!=-1) && (pc.indexOf("msie") != -1)
&& (parseInt(navigator.appVersion) >= 4);
var checked = false;


var is_gecko = pc.indexOf("gecko/") != -1 &&
parseFloat(pc.substring(pc.indexOf("gecko/") + 6, pc.indexOf("gecko/") + 14)) > 20030108;

function checkPost() {
if (arguments.length > 0) { window.onbeforeunload = null; }

if (!checked) {
checked = true;
return true;
}
return false;
}

function insertAtCursor(text, ta) {
var end = 0;
var scrollTop = ta.scrollTop;

ta.focus();

if (document.selection && document.selection.createRange().parentElement().tagName == 'TEXTAREA') {
var selected = document.selection.createRange().text;


end = getSelectionRangeEnd(ta);


document.selection.createRange().text = selected + text;

end += text.length;
}
else if (typeof(ta.selectionStart) != 'undefined' && typeof(ta.selectionEnd) != 'undefined') {
var selLength = ta.textLength;
var selStart = ta.selectionStart;
var selEnd = ta.selectionEnd;
if (selEnd == 1 || selEnd == 2) {
selEnd = selLength;
}
var s1 = (ta.value).substring(0, selEnd);
var s2 = (ta.value).substring(selEnd, selLength);


ta.value = s1 + text + s2;

end = selEnd + text.length;
}
else {
ta.value += text;
}

if (end > 0) {
setCaretTo(ta, end, scrollTop);
}
}

function styleTag(tag, ta) {
var end = 0;
var scrollTop = ta.scrollTop;

if (document.selection) {
if (document.selection.createRange().parentElement().tagName == 'TEXTAREA') {
var selected = document.selection.createRange().text;


end = getSelectionRangeEnd(ta);


var r = _markupText(selected, tag);

document.selection.createRange().text = r[0];

end += r[1];
}
}
else if (typeof(ta.selectionStart) != 'undefined' && typeof(ta.selectionEnd) != 'undefined') {
if (ta.selectionStart == ta.selectionEnd) {
return;
}
var selLength = ta.textLength;
var selStart = ta.selectionStart;
var selEnd = ta.selectionEnd;
if (selEnd == 1 || selEnd == 2) {
selEnd = selLength;
}
var s1 = (ta.value).substring(0, selStart);
var s2 = (ta.value).substring(selStart, selEnd);
var s3 = (ta.value).substring(selEnd, selLength);


var r = _markupText(s2, tag);

ta.value = s1 + r[0] + s3;

end = selEnd + r[1];
}
else {
return;
}

if (end > 0) {
setCaretTo(ta, end, scrollTop);
}
}

function _markupText(text, tag) {

var r = trimLeadingSpace(text);
text = r[0];
var removeSpace = r[1];


r = trimTrailingSpace(text);
text = r[0];
var addSpace = r[1];


var addedCharacters = 0;

if (text.indexOf('\n') > 0) {

var lines = text.split('\n');
var newText = '';
for (var i = 0; i < lines.length; i++) {
var line = lines[i];

r = trimLeadingSpace(line);
line = r[0];
var leadingSpaces = r[1];


r = trimTrailingSpace(line);
line = r[0];
var trailingSpaces = r[1];

if (line == '') {
newText += leadingSpaces + line + trailingSpaces;
}
else {
newText += leadingSpaces + tag + line + tag + trailingSpaces;
addedCharacters += (tag.length * 2);
}

if (i < lines.length -1) {
newText += '\n';
}
}
text = removeSpace + newText + addSpace;
}
else {
text = removeSpace + tag + text + tag + addSpace;
}

r = new Array(2);
r[0] = text;
r[1] = addedCharacters;

return r;
}

function trimLeadingSpace(text) {
var removeSpace = "";
while (text.length > 0 &&
(text.charAt(0) == ' ' ||
text.charAt(0) == '\n' ||
text.charAt(0) == '\r'))
{
removeSpace += text.charAt(0);
text = text.substring(1);
}

var r = new Array(2);
r[0] = text;
r[1] = removeSpace;
return r;
}

function trimTrailingSpace(text) {
var addSpace = "";
while (text.length > 0 &&
(text.charAt(text.length-1) == ' ' ||
text.charAt(text.length-1) == '\n' ||
text.charAt(text.length-1) == '\r'))
{
addSpace += text.charAt(text.length-1);
text = text.substring(0, text.length-1);
}

var r = new Array(2);
r[0] = text;
r[1] = addSpace;
return r;
}

function getSelectionRangeText(ta) {
if (document.selection) {

return document.selection.createRange().text;
}
else if (is_gecko) {
var start = ta.selectionStart;
var end   = ta.selectionEnd;
return ta.value.substr(start, end-start);
}
else {
return '';
}
}

function getSelectionRangeEnd(ta) {
if (document.selection) {

var range = document.selection.createRange();

var stored_range = range.duplicate();

stored_range.moveToElementText(ta);

stored_range.setEndPoint('EndToEnd', range);


var start = stored_range.text.length - range.text.length;
return start + range.text.length;
}
else if (is_gecko) {
return ta.selectionEnd;
}
else {
return 0;
}
}
function setCaretTo(ta, pos, scrollTop) {
ta.focus();
if (ta.createTextRange) {


var i = 0;
var count = 0;
var text = ta.value;
while (i > -1 && i < pos) {
i = text.indexOf("\r\n", i);
if (i >= 0) {
count++;
i += 2;
}
}

if (count > 1) {
count--;
}


var range = ta.createTextRange();
range.move("character", (pos - count));
range.select();
}
else if (ta.selectionStart) {
ta.setSelectionRange(pos, pos);
}


if (scrollTop > 0) {
ta.scrollTop = scrollTop;
}
}

function caret(ta) {
if (ie4_win && ta.createTextRange &&
document.selection.createRange().parentElement().tagName == 'TEXTAREA')
{
ta.caretPos = document.selection.createRange().duplicate();
}
}




function funcname(f) {
var s = f.toString().match(/function (\w*)/)[1];
if ((s == null) || (s.length == 0)) return "anonymous";
return s;
}


function stacktrace() {
var s = "";  // This is the string we'll return.



for(var a = arguments.caller; a != null; a = a.caller) {

s += funcname(a.callee) + "\n";




if (a.caller == a) break;
}
return s;
}

function printStackTrace() {
alert('stack trace is ' + stacktrace());
}




var hoverElements = new Array();

function onhover(el) {
if (typeof(el) == "undefined" || typeof(el.className) != "undefined") {
return;
}
hoverElements[el] = el.className;
el.className = el.className + " hilite";
}

function onhoverbyclass(el, cl) {
hoverElements[el] = el.className;
el.className = el.className + " " + cl;
}

function offhover(el) {
if (hoverElements[el]) {
el.className = hoverElements[el];
}
}

function onclick(el) {
onhover(el);
}


function clearhover(el) {
el.className = el.className.replace(/hilite/g, "")
}








var Prototype = {
Version: '1.5.0',
BrowserFeatures: {
XPath: !!document.evaluate
},

ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
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;
}
},

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 = $A(arguments), object = args.shift();
return function(event) {
return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments)));
}
}

Object.extend(Number.prototype, {
toColorPart: function() {
var digits = this.toString(16);
if (this < 16) return '0' + digits;
return digits;
},

succ: function() {
return this + 1;
},

times: function(iterator) {
$R(0, this, true).each(iterator);
return this;
}
});

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;
}
}
}
}
String.interpret = function(value){
return value == null ? '' : String(value);
}

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 div = document.createElement('div');
var text = document.createTextNode(this);
div.appendChild(text);
return 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 name = decodeURIComponent(pair[0]);
var value = pair[1] ? decodeURIComponent(pair[1]) : undefined;

if (hash[name] !== undefined) {
if (hash[name].constructor != Array)
hash[name] = [hash[name]];
if (value) hash[name].push(value);
}
else hash[name] = 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);
},

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.replace(/\\/g, '\\\\');
if (useDoubleQuotes)
return '"' + escapedString.replace(/"/g, '\\"') + '"';
else
return "'" + escapedString.replace(/'/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;

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    = new Object();
var $continue = new Object();

var Enumerable = {
each: function(iterator) {
var index = 0;
try {
this._each(function(value) {
try {
iterator(value, index++);
} catch (e) {
if (e != $continue) throw e;
}
});
} 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;
}
}

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() {
return this.inject([], function(array, value) {
return array.include(value) ? array : array.concat([value]);
});
},

clone: function() {
return [].concat(this);
},

size: function() {
return this.length;
},

inspect: function() {
return '[' + this.map(Object.inspect).join(', ') + ']';
}
});

Array.prototype.toArray = Array.prototype.clone;

function $w(string){
string = string.strip();
return string ? string.split(/\s+/) : [];
}

if(window.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(obj) {
Object.extend(this, obj || {});
};

Object.extend(Hash, {
toQueryString: function(obj) {
var parts = [];

this.prototype._each.call(obj, function(pair) {
if (!pair.key) return;

if (pair.value && pair.value.constructor == Array) {
var values = pair.value.compact();
if (values.length < 2) pair.value = values.reduce();
else {
key = encodeURIComponent(pair.key);
values.each(function(value) {
value = value != undefined ? encodeURIComponent(value) : '';
parts.push(key + '=' + encodeURIComponent(value));
});
return;
}
}
if (pair.value == undefined) pair[1] = '';
parts.push(pair.map(encodeURIComponent).join('='));
});

return parts.join('&');
}
});

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(', ') + '}>';
}
});

function $H(object) {
if (object && object.constructor == Hash) return object;
return new Hash(object);
};
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 = this.options.parameters;

if (!['get', 'post'].include(this.method)) {

params['_method'] = this.method;
this.method = 'post';
}

params = Hash.toQueryString(params);
if (params && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) params += '&_='


if (this.method == 'get' && params)
this.url += (this.url.indexOf('?') > -1 ? '&' : '?') + params;

try {
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();

var body = this.method == 'post' ? (this.options.postBody || params) : null;

this.transport.send(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);
}

if ((this.getHeader('Content-type') || 'text/javascript').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 ? eval('(' + json + ')') : null;
} catch (e) { return null }
},

evalResponse: function() {
try {
return eval(this.transport.responseText);
} 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) {
if (Prototype.BrowserFeatures.XPath) {
var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
return document._getElementsByXPath(q, parentElement);
} else {
var children = ($(parentElement) || document.body).getElementsByTagName('*');
var elements = [], child;
for (var i = 0, length = children.length; i < length; i++) {
child = children[i];
if (Element.hasClassName(child, className))
elements.push(Element.extend(child));
}
return elements;
}
};



if (!window.Element)
var Element = new Object();

Element.extend = function(element) {
if (!element || _nativeExtensions || element.nodeType == 3) return element;

if (!element._extended && element.tagName && element != window) {
var methods = Object.clone(Element.Methods), cache = Element.extend.cache;

if (element.tagName == 'FORM')
Object.extend(methods, Form.Methods);
if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName))
Object.extend(methods, Form.Element.Methods);

Object.extend(methods, Element.Methods.Simulated);

for (var property in methods) {
var value = methods[property];
if (typeof value == 'function' && !(property in element))
element[property] = cache.findOrStore(value);
}
}

element._extended = true;
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('*'));
},

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) {
return Selector.findElement($(element).ancestors(), expression, index);
},

down: function(element, expression, index) {
return Selector.findElement($(element).descendants(), expression, index);
},

previous: function(element, expression, index) {
return Selector.findElement($(element).previousSiblings(), expression, index);
},

next: function(element, expression, index) {
return Selector.findElement($(element).nextSiblings(), expression, index);
},

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 (document.all && !window.opera) {
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];
if(attribute) return attribute.nodeValue;
}
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 $(element).innerHTML.match(/^\s*$/);
},

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);
if (['float','cssFloat'].include(style))
style = (typeof element.style.styleFloat != 'undefined' ? 'styleFloat' : 'cssFloat');
style = style.camelize();
var value = element.style[style];
if (!value) {
if (document.defaultView && document.defaultView.getComputedStyle) {
var css = document.defaultView.getComputedStyle(element, null);
value = css ? css[style] : null;
} else if (element.currentStyle) {
value = element.currentStyle[style];
}
}

if((value == 'auto') && ['width','height'].include(style) && (element.getStyle('display') != 'none'))
value = element['offset'+style.capitalize()] + 'px';

if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
if (Element.getStyle(element, 'position') == 'static') value = 'auto';
if(style == 'opacity') {
if(value) return parseFloat(value);
if(value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
if(value[1]) return parseFloat(value[1]) / 100;
return 1.0;
}
return value == 'auto' ? null : value;
},

setStyle: function(element, style) {
element = $(element);
for (var name in style) {
var value = style[name];
if(name == 'opacity') {
if (value == 1) {
value = (/Gecko/.test(navigator.userAgent) &&
!/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 0.999999 : 1.0;
if(/MSIE/.test(navigator.userAgent) && !window.opera)
element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'');
} else if(value == '') {
if(/MSIE/.test(navigator.userAgent) && !window.opera)
element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'');
} else {
if(value < 0.00001) value = 0;
if(/MSIE/.test(navigator.userAgent) && !window.opera)
element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'') +
'alpha(opacity='+value*100+')';
}
} else if(['float','cssFloat'].include(name)) name = (typeof element.style.styleFloat != 'undefined') ? 'styleFloat' : 'cssFloat';
element.style[name.camelize()] = 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};



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});

Element._attributeTranslations = {};

Element._attributeTranslations.names = {
colspan:   "colSpan",
rowspan:   "rowSpan",
valign:    "vAlign",
datetime:  "dateTime",
accesskey: "accessKey",
tabindex:  "tabIndex",
enctype:   "encType",
maxlength: "maxLength",
readonly:  "readOnly",
longdesc:  "longDesc"
};

Element._attributeTranslations.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;
}
};

Object.extend(Element._attributeTranslations.values, {
href: Element._attributeTranslations.values._getAttr,
src:  Element._attributeTranslations.values._getAttr,
disabled: Element._attributeTranslations.values._flag,
checked:  Element._attributeTranslations.values._flag,
readonly: Element._attributeTranslations.values._flag,
multiple: Element._attributeTranslations.values._flag
});

Element.Methods.Simulated = {
hasAttribute: function(element, attribute) {
var t = Element._attributeTranslations;
attribute = t.names[attribute] || attribute;
return $(element).getAttributeNode(attribute).specified;
}
};


if (document.all && !window.opera){
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;
}
};

Object.extend(Element, Element.Methods);

var _nativeExtensions = false;

if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))
['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) {
var className = 'HTML' + tag + 'Element';
if(window[className]) return;
var klass = window[className] = {};
klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__;
});

Element.addMethods = function(methods) {
Object.extend(Element.Methods, 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);
}
}

if (typeof HTMLElement != 'undefined') {
copy(Element.Methods, HTMLElement.prototype);
copy(Element.Methods.Simulated, HTMLElement.prototype, true);
copy(Form.Methods, HTMLFormElement.prototype);
[HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) {
copy(Form.Element.Methods, klass.prototype);
});
_nativeExtensions = true;
}
}

var Toggle = new Object();
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.params = {classNames: []};
this.expression = expression.toString().strip();
this.parseExpression();
this.compileMatcher();
},

parseExpression: function() {
function abort(message) { throw 'Parse error in selector: ' + message; }

if (this.expression == '')  abort('empty expression');

var params = this.params, expr = this.expression, match, modifier, clause, rest;
while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) {
params.attributes = params.attributes || [];
params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''});
expr = match[1];
}

if (expr == '*') return this.params.wildcard = true;

while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) {
modifier = match[1], clause = match[2], rest = match[3];
switch (modifier) {
case '#':       params.id = clause; break;
case '.':       params.classNames.push(clause); break;
case '':
case undefined: params.tagName = clause.toUpperCase(); break;
default:        abort(expr.inspect());
}
expr = rest;
}

if (expr.length > 0) abort(expr.inspect());
},

buildMatchExpression: function() {
var params = this.params, conditions = [], clause;

if (params.wildcard)
conditions.push('true');
if (clause = params.id)
conditions.push('element.readAttribute("id") == ' + clause.inspect());
if (clause = params.tagName)
conditions.push('element.tagName.toUpperCase() == ' + clause.inspect());
if ((clause = params.classNames).length > 0)
for (var i = 0, length = clause.length; i < length; i++)
conditions.push('element.hasClassName(' + clause[i].inspect() + ')');
if (clause = params.attributes) {
clause.each(function(attribute) {
var value = 'element.readAttribute(' + attribute.name.inspect() + ')';
var splitValueBy = function(delimiter) {
return value + ' && ' + value + '.split(' + delimiter.inspect() + ')';
}

switch (attribute.operator) {
case '=':       conditions.push(value + ' == ' + attribute.value.inspect()); break;
case '~=':      conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break;
case '|=':      conditions.push(
splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect()
); break;
case '!=':      conditions.push(value + ' != ' + attribute.value.inspect()); break;
case '':
case undefined: conditions.push('element.hasAttribute(' + attribute.name.inspect() + ')'); break;
default:        throw 'Unknown operator ' + attribute.operator + ' in selector';
}
});
}

return conditions.join(' && ');
},

compileMatcher: function() {
this.match = new Function('element', 'if (!element.tagName) return false; \
element = $(element); \
return ' + this.buildMatchExpression());
},

findElements: function(scope) {
var element;

if (element = $(this.params.id))
if (this.match(element))
if (!scope || Element.childOf(element, scope))
return [element];

scope = (scope || document).getElementsByTagName(this.params.tagName || '*');

var results = [];
for (var i = 0, length = scope.length; i < length; i++)
if (this.match(element = scope[i]))
results.push(Element.extend(element));

return results;
},

toString: function() {
return this.expression;
}
}

Object.extend(Selector, {
matchElements: function(elements, expression) {
var selector = new Selector(expression);
return elements.select(selector.match.bind(selector)).map(Element.extend);
},

findElement: function(elements, expression, index) {
if (typeof expression == 'number') index = expression, expression = false;
return Selector.matchElements(elements, expression || '*')[index || 0];
},

findChildElements: function(element, expressions) {
return expressions.map(function(expression) {
return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) {
var selector = new Selector(expr);
return results.inject([], function(elements, result) {
return elements.concat(selector.findElements(result || element));
});
});
}).flatten();
}
});

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 != undefined) {
if (result[key]) {
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().each(function(element) {
element.blur();
element.disabled = 'true';
});
return form;
},

enable: function(form) {
form = $(form);
form.getElements().each(function(element) {
element.disabled = '';
});
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;
}
}

Object.extend(Form, Form.Methods);



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);
element.focus();
if (element.select && ( element.tagName.toLowerCase() != 'input' ||
!['button', 'reset', 'submit'].include(element.type) ) )
element.select();
return element;
},

disable: function(element) {
element = $(element);
element.disabled = true;
return element;
},

enable: function(element) {
element = $(element);
element.blur();
element.disabled = false;
return element;
}
}

Object.extend(Form.Element, Form.Element.Methods);
var Field = Form.Element;
var $F = Form.Element.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' &&
(navigator.appVersion.match(/Konqueror|Safari|KHTML/)
|| element.attachEvent))
name = 'keydown';

Event._observeAndCache(element, name, observer, useCapture);
},

stopObserving: function(element, name, observer, useCapture) {
element = $(element);
useCapture = useCapture || false;

if (name == 'keypress' &&
(navigator.appVersion.match(/Konqueror|Safari|KHTML/)
|| element.detachEvent))
name = 'keydown';

if (element.removeEventListener) {
element.removeEventListener(name, observer, useCapture);
} else if (element.detachEvent) {
try {
element.detachEvent('on' + name, observer);
} catch (e) {}
}
}
});


if (navigator.appVersion.match(/\bMSIE\b/))
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 (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
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();

























var Scriptaculous = {
Version: '1.7.0',
require: function(libraryName) {

document.write('<script type="text/javascript" src="'+libraryName+'"></script>');
},
load: function() {
if((typeof Prototype=='undefined') ||
(typeof Element == 'undefined') ||
(typeof Element.Methods=='undefined') ||
parseFloat(Prototype.Version.split(".")[0] + "." +
Prototype.Version.split(".")[1]) < 1.5)
throw("script.aculo.us requires the Prototype JavaScript framework >= 1.5.0");

$A(document.getElementsByTagName("script")).findAll( function(s) {
return (s.src && s.src.match(/scriptaculous\.js(\?.*)?$/))
}).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').split(',').each(
function(include) { Scriptaculous.require(path+include+'.js') });
});
}
}

Scriptaculous.load();













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(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
return element;
}

Element.getOpacity = function(element){
return $(element).getStyle('opacity');
}

Element.setOpacity = function(element, value){
return $(element).setStyle({opacity:value});
}

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(/MSIE/.test(navigator.userAgent) && !window.opera) 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



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) {
return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
},
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;
}
};



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':

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':

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++)
if(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:        60.0,  // max. 60fps due to Effect.Queue implementation
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) {
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.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.finishOn - this.startOn);
var frame = Math.round(pos * this.options.fps * this.options.duration);
if(frame > this.currentFrame) {
this.render(pos);
this.currentFrame = frame;
}
}
},
render: function(pos) {
if(this.state == 'idle') {
this.state = 'running';
this.event('beforeSetup');
if(this.setup) this.setup();
this.event('afterSetup');
}
if(this.state == 'running') {
if(this.options.transition) pos = this.options.transition(pos);
pos *= (this.options.to-this.options.from);
pos += this.options.from;
this.position = pos;
this.event('beforeUpdate');
if(this.update) this.update(pos);
this.event('afterUpdate');
}
},
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);

if(/MSIE/.test(navigator.userAgent) && !window.opera && (!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() {




this.element.makePositioned();
this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');
if(this.options.mode == 'absolute') {

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'
});
}
});


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() {

if(this.element.getStyle('display')=='none') { this.cancel(); return; }

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');

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));
}
});



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,

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();

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] || {})
);
}


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.camelize()] = '';
});
}
} 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].underscore().dasherize(), value = pair[1], unit = null;

if(value.parseColor('#zzzzzz') != '#zzzzzz') {
value = value.parseColor();
unit  = 'color';
} else if(property == 'opacity') {
value = parseFloat(value);
if(/MSIE/.test(navigator.userAgent) && !window.opera && (!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 $H({
style: property,
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 = $H(), value = null;
this.transforms.each(function(transform){
value = transform.unit=='color' ?
$R(0,2).inject('#',function(m,v,i){
return m+(Math.round(transform.originalValue[i]+
(transform.targetValue[i] - transform.originalValue[i])*position)).toColorPart() }) :
transform.originalValue + Math.round(
((transform.targetValue - transform.originalValue) * position) * 1000)/1000 + transform.unit;
style[transform.style] = value;
});
this.element.setStyle(style);
}
});

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 = Element.extend(document.createElement('div'));
element.innerHTML = '<div style="' + this + '"></div>';
var style = element.down().style, styleRules = $H();

Element.CSS_PROPERTIES.each(function(property){
if(style[property]) styleRules[property] = style[property];
});
if(/MSIE/.test(navigator.userAgent) && !window.opera && 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;
};

['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom',
'collectTextNodes','collectTextNodesIgnoreClass','morph'].each(
function(f) { Element.Methods[f] = Element[f]; }
);

Element.Methods.visualEffect = function(element, effect, options) {
s = effect.gsub(/_/, '-').camelize();
effect_class = s.charAt(0).toUpperCase() + s.substring(1);
new Effect[effect_class](element, options);
return $(element);
};

Element.addMethods();






































if(typeof Effect == 'undefined')
throw("controls.js requires including script.aculo.us' effects.js library");

var Autocompleter = {}
Autocompleter.Base = function() {};
Autocompleter.Base.prototype = {
baseInitialize: function(element, update, options) {
this.element     = $(element);
this.update      = $(update);
this.hasFocus    = false;
this.changed     = false;
this.active      = false;
this.index       = 0;
this.entryCount  = 0;

if(this.setOptions)
this.setOptions(options);
else
this.options = options || {};

this.options.paramName    = this.options.paramName || this.element.name;
this.options.tokens       = this.options.tokens || [];
this.options.frequency    = this.options.frequency || 0.4;
this.options.minChars     = this.options.minChars || 1;
this.options.onShow       = this.options.onShow ||
function(element, update){
if(!update.style.position || update.style.position=='absolute') {
update.style.position = 'absolute';
Position.clone(element, update, {
setHeight: false,
offsetTop: element.offsetHeight
});
}
Effect.Appear(update,{duration:0.15});
};
this.options.onHide = this.options.onHide ||
function(element, update){ new Effect.Fade(update,{duration:0.15}) };

if(typeof(this.options.tokens) == 'string')
this.options.tokens = new Array(this.options.tokens);

this.observer = null;

this.element.setAttribute('autocomplete','off');

Element.hide(this.update);

Event.observe(this.element, "blur", this.onBlur.bindAsEventListener(this));
Event.observe(this.element, "keypress", this.onKeyPress.bindAsEventListener(this));
},

show: function() {
if(Element.getStyle(this.update, 'display')=='none') this.options.onShow(this.element, this.update);
if(!this.iefix &&
(navigator.appVersion.indexOf('MSIE')>0) &&
(navigator.userAgent.indexOf('Opera')<0) &&
(Element.getStyle(this.update, 'position')=='absolute')) {
new Insertion.After(this.update,
'<iframe id="' + this.update.id + '_iefix" '+
'style="display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" ' +
'src="javascript:false;" frameborder="0" scrolling="no"></iframe>');
this.iefix = $(this.update.id+'_iefix');
}
if(this.iefix) setTimeout(this.fixIEOverlapping.bind(this), 50);
},

fixIEOverlapping: function() {
Position.clone(this.update, this.iefix, {setTop:(!this.update.style.height)});
this.iefix.style.zIndex = 1;
this.update.style.zIndex = 2;
Element.show(this.iefix);
},

hide: function() {
this.stopIndicator();
if(Element.getStyle(this.update, 'display')!='none') this.options.onHide(this.element, this.update);
if(this.iefix) Element.hide(this.iefix);
},

startIndicator: function() {
if(this.options.indicator) Element.show(this.options.indicator);
},

stopIndicator: function() {
if(this.options.indicator) Element.hide(this.options.indicator);
},

onKeyPress: function(event) {
if(this.active)
switch(event.keyCode) {
case Event.KEY_TAB:
case Event.KEY_RETURN:
this.selectEntry();
Event.stop(event);
case Event.KEY_ESC:
this.hide();
this.active = false;
Event.stop(event);
return;
case Event.KEY_LEFT:
case Event.KEY_RIGHT:
return;
case Event.KEY_UP:
this.markPrevious();
this.render();
if(navigator.appVersion.indexOf('AppleWebKit')>0) Event.stop(event);
return;
case Event.KEY_DOWN:
this.markNext();
this.render();
if(navigator.appVersion.indexOf('AppleWebKit')>0) Event.stop(event);
return;
}
else
if(event.keyCode==Event.KEY_TAB || event.keyCode==Event.KEY_RETURN ||
(navigator.appVersion.indexOf('AppleWebKit') > 0 && event.keyCode == 0)) return;

this.changed = true;
this.hasFocus = true;

if(this.observer) clearTimeout(this.observer);
this.observer =
setTimeout(this.onObserverEvent.bind(this), this.options.frequency*1000);
},

activate: function() {
this.changed = false;
this.hasFocus = true;
this.getUpdatedChoices();
},

onHover: function(event) {
var element = Event.findElement(event, 'LI');
if(this.index != element.autocompleteIndex)
{
this.index = element.autocompleteIndex;
this.render();
}
Event.stop(event);
},

onClick: function(event) {
var element = Event.findElement(event, 'LI');
this.index = element.autocompleteIndex;
this.selectEntry();
this.hide();
},

onBlur: function(event) {

setTimeout(this.hide.bind(this), 250);
this.hasFocus = false;
this.active = false;
},

render: function() {
if(this.entryCount > 0) {
for (var i = 0; i < this.entryCount; i++)
this.index==i ?
Element.addClassName(this.getEntry(i),"selected") :
Element.removeClassName(this.getEntry(i),"selected");

if(this.hasFocus) {
this.show();
this.active = true;
}
} else {
this.active = false;
this.hide();
}
},

markPrevious: function() {
if(this.index > 0) this.index--
else this.index = this.entryCount-1;
this.getEntry(this.index).scrollIntoView(true);
},

markNext: function() {
if(this.index < this.entryCount-1) this.index++
else this.index = 0;
this.getEntry(this.index).scrollIntoView(false);
},

getEntry: function(index) {
return this.update.firstChild.childNodes[index];
},

getCurrentEntry: function() {
return this.getEntry(this.index);
},

selectEntry: function() {
this.active = false;
this.updateElement(this.getCurrentEntry());
},

updateElement: function(selectedElement) {
if (this.options.updateElement) {
this.options.updateElement(selectedElement);
return;
}
var value = '';
if (this.options.select) {
var nodes = document.getElementsByClassName(this.options.select, selectedElement) || [];
if(nodes.length>0) value = Element.collectTextNodes(nodes[0], this.options.select);
} else
value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal');

var lastTokenPos = this.findLastToken();
if (lastTokenPos != -1) {
var newValue = this.element.value.substr(0, lastTokenPos + 1);
var whitespace = this.element.value.substr(lastTokenPos + 1).match(/^\s+/);
if (whitespace)
newValue += whitespace[0];
this.element.value = newValue + value;
} else {
this.element.value = value;
}
this.element.focus();

if (this.options.afterUpdateElement)
this.options.afterUpdateElement(this.element, selectedElement);
},

updateChoices: function(choices) {
if(!this.changed && this.hasFocus) {
this.update.innerHTML = choices;
Element.cleanWhitespace(this.update);
Element.cleanWhitespace(this.update.down());

if(this.update.firstChild && this.update.down().childNodes) {
this.entryCount =
this.update.down().childNodes.length;
for (var i = 0; i < this.entryCount; i++) {
var entry = this.getEntry(i);
entry.autocompleteIndex = i;
this.addObservers(entry);
}
} else {
this.entryCount = 0;
}

this.stopIndicator();
this.index = 0;

if(this.entryCount==1 && this.options.autoSelect) {
this.selectEntry();
this.hide();
} else {
this.render();
}
}
},

addObservers: function(element) {
Event.observe(element, "mouseover", this.onHover.bindAsEventListener(this));
Event.observe(element, "click", this.onClick.bindAsEventListener(this));
},

onObserverEvent: function() {
this.changed = false;
if(this.getToken().length>=this.options.minChars) {
this.startIndicator();
this.getUpdatedChoices();
} else {
this.active = false;
this.hide();
}
},

getToken: function() {
var tokenPos = this.findLastToken();
if (tokenPos != -1)
var ret = this.element.value.substr(tokenPos + 1).replace(/^\s+/,'').replace(/\s+$/,'');
else
var ret = this.element.value;

return /\n/.test(ret) ? '' : ret;
},

findLastToken: function() {
var lastTokenPos = -1;

for (var i=0; i<this.options.tokens.length; i++) {
var thisTokenPos = this.element.value.lastIndexOf(this.options.tokens[i]);
if (thisTokenPos > lastTokenPos)
lastTokenPos = thisTokenPos;
}
return lastTokenPos;
}
}

Ajax.Autocompleter = Class.create();
Object.extend(Object.extend(Ajax.Autocompleter.prototype, Autocompleter.Base.prototype), {
initialize: function(element, update, url, options) {
this.baseInitialize(element, update, options);
this.options.asynchronous  = true;
this.options.onComplete    = this.onComplete.bind(this);
this.options.defaultParams = this.options.parameters || null;
this.url                   = url;
},

getUpdatedChoices: function() {
entry = encodeURIComponent(this.options.paramName) + '=' +
encodeURIComponent(this.getToken());

this.options.parameters = this.options.callback ?
this.options.callback(this.element, entry) : entry;

if(this.options.defaultParams)
this.options.parameters += '&' + this.options.defaultParams;

new Ajax.Request(this.url, this.options);
},

onComplete: function(request) {
this.updateChoices(request.responseText);
}

});




































Autocompleter.Local = Class.create();
Autocompleter.Local.prototype = Object.extend(new Autocompleter.Base(), {
initialize: function(element, update, array, options) {
this.baseInitialize(element, update, options);
this.options.array = array;
},

getUpdatedChoices: function() {
this.updateChoices(this.options.selector(this));
},

setOptions: function(options) {
this.options = Object.extend({
choices: 10,
partialSearch: true,
partialChars: 2,
ignoreCase: true,
fullSearch: false,
selector: function(instance) {
var ret       = []; // Beginning matches
var partial   = []; // Inside matches
var entry     = instance.getToken();
var count     = 0;

for (var i = 0; i < instance.options.array.length &&
ret.length < instance.options.choices ; i++) {

var elem = instance.options.array[i];
var foundPos = instance.options.ignoreCase ?
elem.toLowerCase().indexOf(entry.toLowerCase()) :
elem.indexOf(entry);

while (foundPos != -1) {
if (foundPos == 0 && elem.length != entry.length) {
ret.push("<li><strong>" + elem.substr(0, entry.length) + "</strong>" +
elem.substr(entry.length) + "</li>");
break;
} else if (entry.length >= instance.options.partialChars &&
instance.options.partialSearch && foundPos != -1) {
if (instance.options.fullSearch || /\s/.test(elem.substr(foundPos-1,1))) {
partial.push("<li>" + elem.substr(0, foundPos) + "<strong>" +
elem.substr(foundPos, entry.length) + "</strong>" + elem.substr(
foundPos + entry.length) + "</li>");
break;
}
}

foundPos = instance.options.ignoreCase ?
elem.toLowerCase().indexOf(entry.toLowerCase(), foundPos + 1) :
elem.indexOf(entry, foundPos + 1);

}
}
if (partial.length)
ret = ret.concat(partial.slice(0, instance.options.choices - ret.length))
return "<ul>" + ret.join('') + "</ul>";
}
}, options || {});
}
});








Field.scrollFreeActivate = function(field) {
setTimeout(function() {
Field.activate(field);
}, 1);
}

Ajax.InPlaceEditor = Class.create();
Ajax.InPlaceEditor.defaultHighlightColor = "#FFFF99";
Ajax.InPlaceEditor.prototype = {
initialize: function(element, url, options) {
this.url = url;
this.element = $(element);

this.options = Object.extend({
paramName: "value",
okButton: true,
okText: "ok",
cancelLink: true,
cancelText: "cancel",
savingText: "Saving...",
clickToEditText: "Click to edit",
okText: "ok",
rows: 1,
onComplete: function(transport, element) {
new Effect.Highlight(element, {startcolor: this.options.highlightcolor});
},
onFailure: function(transport) {
alert("Error communicating with the server: " + transport.responseText.stripTags());
},
callback: function(form) {
return Form.serialize(form);
},
handleLineBreaks: true,
loadingText: 'Loading...',
savingClassName: 'inplaceeditor-saving',
loadingClassName: 'inplaceeditor-loading',
formClassName: 'inplaceeditor-form',
highlightcolor: Ajax.InPlaceEditor.defaultHighlightColor,
highlightendcolor: "#FFFFFF",
externalControl: null,
submitOnBlur: false,
ajaxOptions: {},
evalScripts: false
}, options || {});

if(!this.options.formId && this.element.id) {
this.options.formId = this.element.id + "-inplaceeditor";
if ($(this.options.formId)) {

this.options.formId = null;
}
}

if (this.options.externalControl) {
this.options.externalControl = $(this.options.externalControl);
}

this.originalBackground = Element.getStyle(this.element, 'background-color');
if (!this.originalBackground) {
this.originalBackground = "transparent";
}

this.element.title = this.options.clickToEditText;

this.onclickListener = this.enterEditMode.bindAsEventListener(this);
this.mouseoverListener = this.enterHover.bindAsEventListener(this);
this.mouseoutListener = this.leaveHover.bindAsEventListener(this);
Event.observe(this.element, 'click', this.onclickListener);
Event.observe(this.element, 'mouseover', this.mouseoverListener);
Event.observe(this.element, 'mouseout', this.mouseoutListener);
if (this.options.externalControl) {
Event.observe(this.options.externalControl, 'click', this.onclickListener);
Event.observe(this.options.externalControl, 'mouseover', this.mouseoverListener);
Event.observe(this.options.externalControl, 'mouseout', this.mouseoutListener);
}
},
enterEditMode: function(evt) {
if (this.saving) return;
if (this.editing) return;
this.editing = true;
this.onEnterEditMode();
if (this.options.externalControl) {
Element.hide(this.options.externalControl);
}
Element.hide(this.element);
this.createForm();
this.element.parentNode.insertBefore(this.form, this.element);
if (!this.options.loadTextURL) Field.scrollFreeActivate(this.editField);

if (evt) {
Event.stop(evt);
}
return false;
},
createForm: function() {
this.form = document.createElement("form");
this.form.id = this.options.formId;
Element.addClassName(this.form, this.options.formClassName)
this.form.onsubmit = this.onSubmit.bind(this);

this.createEditField();

if (this.options.textarea) {
var br = document.createElement("br");
this.form.appendChild(br);
}

if (this.options.okButton) {
okButton = document.createElement("input");
okButton.type = "submit";
okButton.value = this.options.okText;
okButton.className = 'editor_ok_button';
this.form.appendChild(okButton);
}

if (this.options.cancelLink) {
cancelLink = document.createElement("a");
cancelLink.href = "#";
cancelLink.appendChild(document.createTextNode(this.options.cancelText));
cancelLink.onclick = this.onclickCancel.bind(this);
cancelLink.className = 'editor_cancel';
this.form.appendChild(cancelLink);
}
},
hasHTMLLineBreaks: function(string) {
if (!this.options.handleLineBreaks) return false;
return string.match(/<br/i) || string.match(/<p>/i);
},
convertHTMLLineBreaks: function(string) {
return string.replace(/<br>/gi, "\n").replace(/<br\/>/gi, "\n").replace(/<\/p>/gi, "\n").replace(/<p>/gi, "");
},
createEditField: function() {
var text;
if(this.options.loadTextURL) {
text = this.options.loadingText;
} else {
text = this.getText();
}

var obj = this;

if (this.options.rows == 1 && !this.hasHTMLLineBreaks(text)) {
this.options.textarea = false;
var textField = document.createElement("input");
textField.obj = this;
textField.type = "text";
textField.name = this.options.paramName;
textField.value = text;
textField.style.backgroundColor = this.options.highlightcolor;
textField.className = 'editor_field';
var size = this.options.size || this.options.cols || 0;
if (size != 0) textField.size = size;
if (this.options.submitOnBlur)
textField.onblur = this.onSubmit.bind(this);
this.editField = textField;
} else {
this.options.textarea = true;
var textArea = document.createElement("textarea");
textArea.obj = this;
textArea.name = this.options.paramName;
textArea.value = this.convertHTMLLineBreaks(text);
textArea.rows = this.options.rows;
textArea.cols = this.options.cols || 40;
textArea.className = 'editor_field';
if (this.options.submitOnBlur)
textArea.onblur = this.onSubmit.bind(this);
this.editField = textArea;
}

if(this.options.loadTextURL) {
this.loadExternalText();
}
this.form.appendChild(this.editField);
},
getText: function() {
return this.element.innerHTML;
},
loadExternalText: function() {
Element.addClassName(this.form, this.options.loadingClassName);
this.editField.disabled = true;
new Ajax.Request(
this.options.loadTextURL,
Object.extend({
asynchronous: true,
onComplete: this.onLoadedExternalText.bind(this)
}, this.options.ajaxOptions)
);
},
onLoadedExternalText: function(transport) {
Element.removeClassName(this.form, this.options.loadingClassName);
this.editField.disabled = false;
this.editField.value = transport.responseText.stripTags();
Field.scrollFreeActivate(this.editField);
},
onclickCancel: function() {
this.onComplete();
this.leaveEditMode();
return false;
},
onFailure: function(transport) {
this.options.onFailure(transport);
if (this.oldInnerHTML) {
this.element.innerHTML = this.oldInnerHTML;
this.oldInnerHTML = null;
}
return false;
},
onSubmit: function() {

var form = this.form;
var value = this.editField.value;




this.onLoading();

if (this.options.evalScripts) {
new Ajax.Request(
this.url, Object.extend({
parameters: this.options.callback(form, value),
onComplete: this.onComplete.bind(this),
onFailure: this.onFailure.bind(this),
asynchronous:true,
evalScripts:true
}, this.options.ajaxOptions));
} else  {
new Ajax.Updater(
{ success: this.element,

failure: null },
this.url, Object.extend({
parameters: this.options.callback(form, value),
onComplete: this.onComplete.bind(this),
onFailure: this.onFailure.bind(this)
}, this.options.ajaxOptions));
}

if (arguments.length > 1) {
Event.stop(arguments[0]);
}
return false;
},
onLoading: function() {
this.saving = true;
this.removeForm();
this.leaveHover();
this.showSaving();
},
showSaving: function() {
this.oldInnerHTML = this.element.innerHTML;
this.element.innerHTML = this.options.savingText;
Element.addClassName(this.element, this.options.savingClassName);
this.element.style.backgroundColor = this.originalBackground;
Element.show(this.element);
},
removeForm: function() {
if(this.form) {
if (this.form.parentNode) Element.remove(this.form);
this.form = null;
}
},
enterHover: function() {
if (this.saving) return;
this.element.style.backgroundColor = this.options.highlightcolor;
if (this.effect) {
this.effect.cancel();
}
Element.addClassName(this.element, this.options.hoverClassName)
},
leaveHover: function() {
if (this.options.backgroundColor) {
this.element.style.backgroundColor = this.oldBackground;
}
Element.removeClassName(this.element, this.options.hoverClassName)
if (this.saving) return;
this.effect = new Effect.Highlight(this.element, {
startcolor: this.options.highlightcolor,
endcolor: this.options.highlightendcolor,
restorecolor: this.originalBackground
});
},
leaveEditMode: function() {
Element.removeClassName(this.element, this.options.savingClassName);
this.removeForm();
this.leaveHover();
this.element.style.backgroundColor = this.originalBackground;
Element.show(this.element);
if (this.options.externalControl) {
Element.show(this.options.externalControl);
}
this.editing = false;
this.saving = false;
this.oldInnerHTML = null;
this.onLeaveEditMode();
},
onComplete: function(transport) {
this.leaveEditMode();
this.options.onComplete.bind(this)(transport, this.element);
},
onEnterEditMode: function() {},
onLeaveEditMode: function() {},
dispose: function() {
if (this.oldInnerHTML) {
this.element.innerHTML = this.oldInnerHTML;
}
this.leaveEditMode();
Event.stopObserving(this.element, 'click', this.onclickListener);
Event.stopObserving(this.element, 'mouseover', this.mouseoverListener);
Event.stopObserving(this.element, 'mouseout', this.mouseoutListener);
if (this.options.externalControl) {
Event.stopObserving(this.options.externalControl, 'click', this.onclickListener);
Event.stopObserving(this.options.externalControl, 'mouseover', this.mouseoverListener);
Event.stopObserving(this.options.externalControl, 'mouseout', this.mouseoutListener);
}
}
};

Ajax.InPlaceCollectionEditor = Class.create();
Object.extend(Ajax.InPlaceCollectionEditor.prototype, Ajax.InPlaceEditor.prototype);
Object.extend(Ajax.InPlaceCollectionEditor.prototype, {
createEditField: function() {
if (!this.cached_selectTag) {
var selectTag = document.createElement("select");
var collection = this.options.collection || [];
var optionTag;
collection.each(function(e,i) {
optionTag = document.createElement("option");
optionTag.value = (e instanceof Array) ? e[0] : e;
if((typeof this.options.value == 'undefined') &&
((e instanceof Array) ? this.element.innerHTML == e[1] : e == optionTag.value)) optionTag.selected = true;
if(this.options.value==optionTag.value) optionTag.selected = true;
optionTag.appendChild(document.createTextNode((e instanceof Array) ? e[1] : e));
selectTag.appendChild(optionTag);
}.bind(this));
this.cached_selectTag = selectTag;
}

this.editField = this.cached_selectTag;
if(this.options.loadTextURL) this.loadExternalText();
this.form.appendChild(this.editField);
this.options.callback = function(form, value) {
return "value=" + encodeURIComponent(value);
}
}
});





Form.Element.DelayedObserver = Class.create();
Form.Element.DelayedObserver.prototype = {
initialize: function(element, delay, callback) {
this.delay     = delay || 0.5;
this.element   = $(element);
this.callback  = callback;
this.timer     = null;
this.lastValue = $F(this.element);
Event.observe(this.element,'keyup',this.delayedListener.bindAsEventListener(this));
},
delayedListener: function(event) {
if(this.lastValue == $F(this.element)) return;
if(this.timer) clearTimeout(this.timer);
this.timer = setTimeout(this.onTimerEvent.bind(this), this.delay * 1000);
this.lastValue = $F(this.element);
},
onTimerEvent: function() {
this.timer = null;
this.callback(this.element, $F(this.element));
}
};











































var domLib_userAgent = navigator.userAgent.toLowerCase();
var domLib_isMac = navigator.appVersion.indexOf('Mac') != -1;
var domLib_isWin = domLib_userAgent.indexOf('windows') != -1;

var domLib_isOpera = domLib_userAgent.indexOf('opera') != -1;
var domLib_isOpera7up = domLib_userAgent.match(/opera.(7|8)/i);
var domLib_isSafari = domLib_userAgent.indexOf('safari') != -1;
var domLib_isKonq = domLib_userAgent.indexOf('konqueror') != -1;

var domLib_isKHTML = (domLib_isKonq || domLib_isSafari || domLib_userAgent.indexOf('khtml') != -1);
var domLib_isIE = (!domLib_isKHTML && !domLib_isOpera && (domLib_userAgent.indexOf('msie 5') != -1 || domLib_userAgent.indexOf('msie 6') != -1 || domLib_userAgent.indexOf('msie 7') != -1));
var domLib_isIE5up = domLib_isIE;
var domLib_isIE50 = (domLib_isIE && domLib_userAgent.indexOf('msie 5.0') != -1);
var domLib_isIE55 = (domLib_isIE && domLib_userAgent.indexOf('msie 5.5') != -1);
var domLib_isIE5 = (domLib_isIE50 || domLib_isIE55);

var domLib_isGecko = domLib_userAgent.indexOf('gecko/') != -1;
var domLib_isMacIE = (domLib_isIE && domLib_isMac);
var domLib_isIE55up = domLib_isIE5up && !domLib_isIE50 && !domLib_isMacIE;
var domLib_isIE6up = domLib_isIE55up && !domLib_isIE55;


var domLib_standardsMode = (document.compatMode && document.compatMode == 'CSS1Compat');
var domLib_useLibrary = (domLib_isOpera7up || domLib_isKHTML || domLib_isIE5up || domLib_isGecko || domLib_isMacIE || document.defaultView);

var domLib_hasBrokenTimeout = (domLib_isMacIE || (domLib_isKonq && domLib_userAgent.match(/konqueror\/3.([2-9])/) == null));
var domLib_canFade = (domLib_isGecko || domLib_isIE || domLib_isSafari || domLib_isOpera);
var domLib_canDrawOverSelect = (domLib_isMac || domLib_isOpera || domLib_isGecko);
var domLib_canDrawOverFlash = (domLib_isMac || domLib_isWin);


var domLib_eventTarget = domLib_isIE ? 'srcElement' : 'currentTarget';
var domLib_eventButton = domLib_isIE ? 'button' : 'which';
var domLib_eventTo = domLib_isIE ? 'toElement' : 'relatedTarget';
var domLib_stylePointer = domLib_isIE ? 'hand' : 'pointer';

var domLib_styleNoMaxWidth = domLib_isOpera ? '10000px' : 'none';
var domLib_hidePosition = '-1000px';
var domLib_scrollbarWidth = 14;
var domLib_autoId = 1;
var domLib_zIndex = 100;


var domLib_collisionElements;
var domLib_collisionsCached = false;

var domLib_timeoutStateId = 0;
var domLib_timeoutStates = new DomLibHash();




if (!document.ELEMENT_NODE)
{
document.ELEMENT_NODE = 1;
document.ATTRIBUTE_NODE = 2;
document.TEXT_NODE = 3;
document.DOCUMENT_NODE = 9;
document.DOCUMENT_FRAGMENT_NODE = 11;
}

function domLib_clone(obj)
{
var copy = {};
for (var i in obj)
{
var value = obj[i];
try
{
if (value != null && typeof(value) == 'object' && value != window && !value.nodeType)
{
copy[i] = domLib_clone(value);
}
else
{
copy[i] = value;
}
}
catch(e)
{
copy[i] = value;
}
}

return copy;
}




function DomLibHash()
{
this.length = 0;
this.numericLength = 0;
this.elementData = [];
for (var i = 0; i < arguments.length; i += 2)
{
if (typeof(arguments[i + 1]) != 'undefined')
{
this.elementData[arguments[i]] = arguments[i + 1];
this.length++;
if (arguments[i] == parseInt(arguments[i]))
{
this.numericLength++;
}
}
}
}


DomLibHash.prototype.get = function(in_key)
{
if (typeof(this.elementData[in_key]) != 'undefined') {
return this.elementData[in_key];
}

return null;
}

DomLibHash.prototype.set = function(in_key, in_value)
{
if (typeof(in_value) != 'undefined')
{
if (typeof(this.elementData[in_key]) == 'undefined')
{
this.length++;
if (in_key == parseInt(in_key))
{
this.numericLength++;
}
}

return this.elementData[in_key] = in_value;
}

return false;
}

DomLibHash.prototype.remove = function(in_key)
{
var tmp_value;
if (typeof(this.elementData[in_key]) != 'undefined')
{
this.length--;
if (in_key == parseInt(in_key))
{
this.numericLength--;
}

tmp_value = this.elementData[in_key];
delete this.elementData[in_key];
}

return tmp_value;
}

DomLibHash.prototype.size = function()
{
return this.length;
}

DomLibHash.prototype.has = function(in_key)
{
return typeof(this.elementData[in_key]) != 'undefined';
}

DomLibHash.prototype.find = function(in_obj)
{
for (var tmp_key in this.elementData)
{
if (this.elementData[tmp_key] == in_obj)
{
return tmp_key;
}
}

return null;
}

DomLibHash.prototype.merge = function(in_hash)
{
for (var tmp_key in in_hash.elementData)
{
if (typeof(this.elementData[tmp_key]) == 'undefined')
{
this.length++;
if (tmp_key == parseInt(tmp_key))
{
this.numericLength++;
}
}

this.elementData[tmp_key] = in_hash.elementData[tmp_key];
}
}

DomLibHash.prototype.compare = function(in_hash)
{
if (this.length != in_hash.length)
{
return false;
}

for (var tmp_key in this.elementData)
{
if (this.elementData[tmp_key] != in_hash.elementData[tmp_key])
{
return false;
}
}

return true;
}




function domLib_isDescendantOf(in_object, in_ancestor, in_bannedTags)
{
if (in_object == null)
{
return false;
}

if (in_object == in_ancestor)
{
return true;
}

if (typeof(in_bannedTags) != 'undefined' &&
(',' + in_bannedTags.join(',') + ',').indexOf(',' + in_object.tagName + ',') != -1)
{
return false;
}

while (in_object != document.documentElement)
{
try
{
if ((tmp_object = in_object.offsetParent) && tmp_object == in_ancestor)
{
return true;
}
else if ((tmp_object = in_object.parentNode) == in_ancestor)
{
return true;
}
else
{
in_object = tmp_object;
}
}

catch(e)
{
return false;
}
}

return false;
}








function domLib_detectCollisions(in_object, in_recover, in_useCache)
{




if (!domLib_collisionsCached)
{
var tags = [];

if (!domLib_canDrawOverFlash)
{
tags[tags.length] = 'object';
}

if (!domLib_canDrawOverSelect)
{
tags[tags.length] = 'select';
}

domLib_collisionElements = domLib_getElementsByTagNames(tags, true);
domLib_collisionsCached = in_useCache;
}


if (in_recover)
{
for (var cnt = 0; cnt < domLib_collisionElements.length; cnt++)
{
var thisElement = domLib_collisionElements[cnt];

if (!thisElement.hideList)
{
thisElement.hideList = new DomLibHash();
}

thisElement.hideList.remove(in_object.id);
if (!thisElement.hideList.length)
{
domLib_collisionElements[cnt].style.visibility = 'visible';
if (domLib_isKonq)
{
domLib_collisionElements[cnt].style.display = '';
}
}
}

return;
}
else if (domLib_collisionElements.length == 0)
{
return;
}


var objectOffsets = domLib_getOffsets(in_object);

for (var cnt = 0; cnt < domLib_collisionElements.length; cnt++)
{
var thisElement = domLib_collisionElements[cnt];



if (domLib_isDescendantOf(thisElement, in_object))
{
continue;
}


if (domLib_isKonq &&
thisElement.tagName == 'SELECT' &&
(thisElement.size <= 1 && !thisElement.multiple))
{
continue;
}

if (!thisElement.hideList)
{
thisElement.hideList = new DomLibHash();
}

var selectOffsets = domLib_getOffsets(thisElement);
var center2centerDistance = Math.sqrt(Math.pow(selectOffsets.get('leftCenter') - objectOffsets.get('leftCenter'), 2) + Math.pow(selectOffsets.get('topCenter') - objectOffsets.get('topCenter'), 2));
var radiusSum = selectOffsets.get('radius') + objectOffsets.get('radius');

if (center2centerDistance < radiusSum)
{

if ((objectOffsets.get('leftCenter') <= selectOffsets.get('leftCenter') && objectOffsets.get('right') < selectOffsets.get('left')) ||

(objectOffsets.get('leftCenter') > selectOffsets.get('leftCenter') && objectOffsets.get('left') > selectOffsets.get('right')) ||

(objectOffsets.get('topCenter') <= selectOffsets.get('topCenter') && objectOffsets.get('bottom') < selectOffsets.get('top')) ||

(objectOffsets.get('topCenter') > selectOffsets.get('topCenter') && objectOffsets.get('top') > selectOffsets.get('bottom')))
{
thisElement.hideList.remove(in_object.id);
if (!thisElement.hideList.length)
{
thisElement.style.visibility = 'visible';
if (domLib_isKonq)
{
thisElement.style.display = '';
}
}
}
else
{
thisElement.hideList.set(in_object.id, true);
thisElement.style.visibility = 'hidden';
if (domLib_isKonq)
{
thisElement.style.display = 'none';
}
}
}
}
}




function domLib_getOffsets(in_object, in_preserveScroll)
{
if (typeof(in_preserveScroll) == 'undefined') {
in_preserveScroll = false;
}

var originalObject = in_object;
var originalWidth = in_object.offsetWidth;
var originalHeight = in_object.offsetHeight;
var offsetLeft = 0;
var offsetTop = 0;

while (in_object)
{
offsetLeft += in_object.offsetLeft;
offsetTop += in_object.offsetTop;
in_object = in_object.offsetParent;

if (in_object && !in_preserveScroll)
{
offsetLeft -= in_object.scrollLeft;
offsetTop -= in_object.scrollTop;
}
}


if (domLib_isMacIE) {
offsetLeft += 10;
offsetTop += 10;
}

return new DomLibHash(
'left',		offsetLeft,
'top',		offsetTop,
'right',	offsetLeft + originalWidth,
'bottom',	offsetTop + originalHeight,
'leftCenter',	offsetLeft + originalWidth/2,
'topCenter',	offsetTop + originalHeight/2,
'radius',	Math.max(originalWidth, originalHeight)
);
}




function domLib_setTimeout(in_function, in_timeout, in_args)
{
if (typeof(in_args) == 'undefined')
{
in_args = [];
}

if (in_timeout == -1)
{

return 0;
}
else if (in_timeout == 0)
{
in_function(in_args);
return 0;
}


var args = domLib_clone(in_args);

if (!domLib_hasBrokenTimeout)
{
return setTimeout(function() { in_function(args); }, in_timeout);
}
else
{
var id = domLib_timeoutStateId++;
var data = new DomLibHash();
data.set('function', in_function);
data.set('args', args);
domLib_timeoutStates.set(id, data);

data.set('timeoutId', setTimeout('domLib_timeoutStates.get(' + id + ').get(\'function\')(domLib_timeoutStates.get(' + id + ').get(\'args\')); domLib_timeoutStates.remove(' + id + ');', in_timeout));
return id;
}
}




function domLib_clearTimeout(in_id)
{
if (!domLib_hasBrokenTimeout)
{
if (in_id >