/*
     FILE ARCHIVED ON 19:48:12 Jan 16, 2009 AND RETRIEVED FROM THE
     AN OPENWAYBACK INSTANCE ON 18:10:57 May 29, 2024.
     JAVASCRIPT APPENDED BY OPENWAYBACK, COPYRIGHT INTERNET ARCHIVE.

     ALL OTHER CONTENT MAY ALSO BE PROTECTED BY COPYRIGHT (17 U.S.C.
     SECTION 108(a)(3)).
*/
/* *****    CORE.JS   ******* **/
var W = W || {};
(function(){W.Dom={isSafari:/Safari/.test(navigator.userAgent),isIE:/msie/.test(navigator.userAgent)&&!/opera/.test(navigator.userAgent),$:function(id){if(typeof id=='string'){id=document.getElementById(id);}
return id;},getStyle:function(element,property)
{element=this.$(element);if(element.style[property]){return element.style[property];}else if(element.currentStyle){return element.currentStyle[property];}else if(document.defaultView&&document.defaultView.getComputedStyle){var style=document.defaultView.getComputedStyle(element,null);if(!style){return null;}
return style[property];}else{return null;}},getElementsByClassName:function(searchClass,tag,node){var classElements=[];node=this.$(node)||document.body;tag=tag||'*';var els=node.getElementsByTagName(tag);var elsLen=els.length;var pattern=new RegExp('(^|\\s)'+searchClass+'(\\s|$)');for(var i=0,j=0;i<elsLen;i++){if(pattern.test(els[i].className)){classElements[j]=els[i];j++;}}
return classElements;},preload:function()
{for(var i=0,l=arguments.length;i<l;++i){new Image().src=arguments[i];}},getWindowSize:function()
{var size={x:0,y:0};if(document.documentElement&&document.documentElement.clientHeight){size.x=document.documentElement.clientWidth;size.y=document.documentElement.clientHeight;}else if(document.body){size.x=document.body.clientWidth;size.y=document.body.clientHeight;}
return size;},getOffsets:function(elem)
{var offsets={left:0,top:0};while(elem){offsets.left+=elem.offsetLeft;offsets.top+=elem.offsetTop;elem=elem.offsetParent;}
return offsets;},getScroll:function()
{var scroll={x:0,y:0};if(window.scrollY!==undefined){return function()
{scroll.y=window.scrollY;scroll.x=window.scrollX;return scroll;};}else if(document.documentElement&&document.compatMode){return function()
{scroll.y=document.documentElement.scrollTop;scroll.x=document.documentElement.scrollLeft;return scroll;};}else{return function()
{scroll.y=document.body.scrollTop;scroll.x=document.body.scrollLeft;return scroll;};}}(),getContentSize:function()
{var size={x:0,y:0};var size_ie={x:0,y:0};if(document.documentElement&&document.documentElement.scrollWidth){size.x=document.documentElement.scrollWidth;size.y=document.documentElement.scrollHeight;}
size_ie.x=document.body.scrollWidth;size_ie.y=document.body.scrollHeight;if(size_ie.x>size.x){size.x=size_ie.x;}
if(size_ie.y>size.y){size.y=size_ie.y;}
var win=this.getWindowSize();if(win.y>size.y){size.y=win.y;}
if(win.x>size.x){size.x=win.x;}
return size;},addClassname:function(node,className)
{node=this.$(node);if(node.className.indexOf(className)==-1){node.className=node.className+' '+className;}},removeClassname:function(node,className)
{node=this.$(node);var regex=new RegExp('\\b ?'+className+'\\b');node.className=node.className.replace(regex,'');},hasClassname:function(node,className)
{node=this.$(node);var regex=new RegExp('\\b ?'+className+'\\b');return(node.className.search(regex)!=-1);},changeClassname:function(node,className)
{if(!node){return;}
var elements=[];if(typeof node=='string'){node=this.$(node);elements.push(node);}else{elements=node;}
for(var obj in elements){elements[obj].className=className;}}};})();W.$=W.Dom.$;

(function(){W.Event={listeners:[],add:function(obj,type,fn)
{if(!type&&!fn){if(obj===undefined){return false;}
this.listeners.push(obj);return true;}
var result,r,old;if(obj.addEventListener){if(type=='mousewheel'){obj.addEventListener('DOMMouseScroll',fn,false);}
obj.addEventListener(type,fn,false);result=true;}
else if(obj.attachEvent){r=obj.attachEvent('on'+type,function(){fn.call(obj);});result=r;}
else{old=obj['on'+type];if(typeof obj['on'+type]!='function'){obj['on'+type]=fn;}else{obj['on'+type]=function()
{old();fn();};}}
return result;},remove:function(obj,type,fn)
{if(!type&&!fn){if(obj===undefined){return false;}
for(var i=this.listeners.length;--i>=0;){if(this.listeners[i]==obj){this.listeners.splice(i,1);return true;}}
return false;}
if(obj.removeEventListener){obj.removeEventListener(type,fn,false);}else if(obj.detachEvent){obj.detachEvent('on'+type,fn);}else{obj['on'+type]=null;}},broadcast:function(fn)
{if(fn===undefined){return false;}
var args=Array.prototype.slice.call(arguments,1);for(var i=this.listeners.length;--i>=0;){if(this.listeners[i][fn]){this.listeners[i][fn].apply(this.listeners[i],args);}}},preventDefault:function(e)
{if(e.preventDefault){e.preventDefault();}else{e.returnValue=false;}},cancelBubble:function(e)
{if(e.stopPropagation){e.stopPropagation();}else{e.cancelBubble=true;}},stop:function(e)
{e=e||window.event;this.cancelBubble(e);this.preventDefault(e);},source:function(e)
{return window.event?window.event.srcElement:e?e.target:null;},target:function(e,targetElement)
{return window.event?targetElement:e?e.currentTarget:null;},getTarget:function(e)
{var targetElement=null;targetElement=this.source(e);while(targetElement.nodeType==3&&targetElement.parentNode!==null){targetElement=targetElement.parentNode;}
return targetElement;},Cache:function()
{var listEvents=[];return{listEvents:listEvents,add:function(node,sEventName,fHandler){listEvents.push(arguments);},flush:function(){var i,item;for(i=listEvents.length-1;i>=0;i=i-1){item=listEvents[i];if(item[0].removeEventListener){item[0].removeEventListener(item[1],item[2],item[3]);}
if(item[1].substring(0,2)!="on"){item[1]="on"+item[1];}
if(item[0].detachEvent){item[0].detachEvent(item[1],item[2]);}
item[0][item[1]]=null;}}};}()};})();Function.prototype.bind=function(object,args)
{var method=this;return function(event){return method.call(object,event||window.event,args);};};if(Array.prototype.push===null){Array.prototype.push=function(){for(var i=0;i<arguments.length;++i){this[this.length]=arguments[i];}
return this.length;};}
W.Event.add(window,'unload',W.Event.Cache.flush);

if(navigator.platform=="Win32"&&navigator.appName=="Microsoft Internet Explorer"&&window.attachEvent){var rslt=navigator.appVersion.match(/MSIE (\d+\.\d+)/,'');var itsAllGood=(rslt!==null&&Number(rslt[1])>=5.5&&Number(rslt[1])<7);if(itsAllGood){document.writeln('<style type="text/css">img { visibility:hidden; } </style>');window.attachEvent("onload",fnLoadPngs);}}
function fnLoadPngs(){for(var i=document.images.length-1,img=null;(img=document.images[i]);i--){if(img.src.match(/\/images\/common.*?\.png$/i)!==null){var src=img.src;var div=document.createElement("DIV");div.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+src+"', sizing='scale')";div.style.width=img.width+"px";div.style.height=img.height+"px";if(img.vspace){div.style.marginTop=img.vspace+'px';div.style.marginBottom=img.vspace+'px';}
if(img.hspace){div.style.marginLeft=img.hspace+'px';div.style.marginRight=img.hspace+'px';}
if(img.className){div.className=img.className;}
if(img.id){div.id=img.id;img.id='';}
div.style.display='inline-block';img.replaceNode(div);var a;if((a=div.parentNode).tagName.toLowerCase()=='a'){a.style.display='block';a.style.width=div.style.width;a.style.height=div.style.height;a.style.position='relative';a=a.removeNode(false);div.appendChild(a);}}
img.style.visibility="visible";}}

W.Tween=function(param)
{this.init(param);};W.Tween.prototype={interval:30,b:0,c:0,d:0,e:0,t:0,a:0,p:0,s:0,o:null,om:'',f:null,cb:null,args:null,timer:null,event:null,init:function(param)
{var obj=this;this.b=param.start;this.c=param.change;this.d=param.duration;this.e=param.end;this.a=param.amplitude;this.p=param.period;this.s=param.overshoot;this.o=param.obj;this.om=param.bind;this.f=param.method;this.cb=param.callback;this.args=param.args;if(this.c===undefined&&this.e!==undefined){this.c=this.e-this.b;}
this.timer=setInterval(function(){obj.tween();},this.interval);},tween:function()
{++this.t;if(this.t<=this.d){this.o[this.om](this[this.f](),this.args);}else{clearInterval(this.timer);if(this.cb){this.o[this.cb](this.args);}}},stop:function()
{clearInterval(this.timer);},pause:function()
{clearInterval(this.timer);},resume:function()
{var obj=this;this.timer=setInterval(function(){obj.tween();},this.interval);},linear:function()
{var t=this.t;var b=this.b;var c=this.c;var d=this.d;return c*t/d+b;},easeInOutQuad:function()
{var t=this.t;var b=this.b;var c=this.c;var d=this.d;if((t/=d/2)<1){return Math.floor((c/2*t*t+b));}
return Math.floor((-c/2*((--t)*(t-2)-1)+b));},easeOutQuart:function()
{var t=this.t;var b=this.b;var c=this.c;var d=this.d;return-c*((t=t/d-1)*t*t*t-1)+b;},easeInOutQuart:function()
{var t=this.t;var b=this.b;var c=this.c;var d=this.d;if((t/=d/2)<1){return Math.floor(c/2*t*t*t*t+b);}
return Math.floor((-c/2*((t-=2)*t*t*t-2)+b));},easeInOutSine:function()
{var t=this.t;var b=this.b;var c=this.c;var d=this.d;return Math.floor((-c/2*(Math.cos(Math.PI*t/d)-1)+b));}};

/* *****   END  CORE.JS   ******* **/
/* *****    RWJF.JS   ******* **/
var RWJF = RWJF || {};
RWJF.search = {
	search	: null,
	text 	: 'SEARCH BY KEYWORD OR TOPIC',
	init : function(){
		this.search	= W.$('search');
		var obj	= this;
		this.search.onfocus 	= function() { obj.remove_text(); };
		this.search.onblur		= function() { obj.add_text(); };
		return this;},
	remove_text : function(){if (this.search.value === this.text) { this.search.value = ''; }},
	add_text : function(){if (this.search.value === '') { this.search.value = this.text; }},
	add_rollover : function(id){var btn	= document.getElementById(id);
		if (btn) {btn.onmouseover	= function() { this.className = 'submit submitOn'; };
			btn.onmouseout	= function() { this.className = 'submit'; };}}};
RWJF.rollovers = {
	add : function(param){
		var id			= W.$(param.id);
		var classname	= param.classname;
		if (!id) { return false; }
		var divs	= id.getElementsByTagName('div');
		for (var i = divs.length; --i >= 0; ) {
			if (W.Dom.hasClassname(divs[i], 'content')) {
				var div = divs[i];
				var anchors = div.getElementsByTagName('a');
				for (var j = anchors.length; --j >=0; ) {
					W.Event.add(anchors[j], 'mouseover', (function(a) { return (function() { W.Dom.addClassname(a, 'over'); }); })(anchors[j]));
					W.Event.add(anchors[j], 'mouseout', (function(a) { return (function() { W.Dom.removeClassname(a, 'over'); }); })(anchors[j]));
				}}}}};
RWJF.cookie = {
	set : function(param){
		var today 	= new Date();
		var name	= param.name;
		var value	= param.value;
		var expires	= param.expires;
		var path	= param.path;
		var domain	= param.domain;
		var secure	= param.secure;
		today.setTime(today.getTime());
		if (expires) { expires = expires * 1000 * 60 * 60 * 24; }
		var expires_date	= new Date(today.getTime() + (expires));
		document.cookie 	= name + '=' + escape(value) +
							  ((expires) ? ';expires=' + expires_date.toGMTString() : '') + //expires.toGMTString()
							  ((path) ? ';path=' + path : '') +
							  ((domain) ? ';domain=' + domain : '') +
							  ((secure) ? ';secure' : '');
	},
	get : function(name){
		var start	= document.cookie.indexOf(name + "=");
		var len		= start + name.length + 1;
		if ((!start) && (name != document.cookie.substring(0, name.length))) { return null; }
		if (start == -1) { return null; }
		var end = document.cookie.indexOf(';', len);
		if (end == -1) { end = document.cookie.length; }
		return unescape(document.cookie.substring(len, end));
	},
	remove : function(param){
		var name	= param.name || param;		// can pass cookie name as a string instead of an object
		var path	= param.path;
		var domain	= param.domain;
		if (this.get(name)) {
			document.cookie = name + '=' +
							  ((path) ? ';path=' + path : '') +
							  ((domain) ? ';domain=' + domain : '') +
							  ';expires=Thu, 01-Jan-1970 00:00:01 GMT';
		}
	}
};

RWJF.font = {
	body 			: null,			// reference to body tag. font size is changed on the body tag which effects all other tags
	is_px			: false,		// the style sheets use ems, but Firefox returns pixels and IE returns a percentage
	px_step			: 1,			// amount of increase/decrease for browsers using pixels
	percent_step	: 5,			// amount of increase/decrease for browsers using percentages
	size			: 0,			// font size
	max_steps		: 3,			// max number of times size can be changed
	cur_step		: 0,			// current state of incrase/decrease ie 1 = increased 1 time, -2 = decreased 2 times
	start			: 0,			// starting values
	container		: 'textsize',	// id for containing element
	sizes			: null,			// associative array of sizes
	init : function(){
		this.body 	= document.getElementsByTagName('body')[0];
		this.sizes	= {normal: '', bigger: '+', biggest: '++'};
		this.get_size();
	},
	adjust_size : function(dir){
		var step	= this.is_px ? this.px_step : this.percent_step;
		if (this.is_max(dir)) { return; }
		if (dir == '+') {
			++this.cur_step;
			this.size	+= step;
		} else {
			--this.cur_step;
			this.size	-= step;
		}
	},
	get_size : function(){
		var size 	= W.Dom.getStyle(this.body, 'fontSize');
		this.is_px 	=  size.indexOf('px') != -1 ? true : false;
		this.size	= this.start	= parseFloat(size, 10);
		// IE browsers which may have a screen dpi other than 96
		if (screen && screen.deviceXDPI) {
			this.size	= this.start	= 1000 / ((screen.deviceXDPI / 96) * 16);
		}
	},
	set_size : function(){
		this.body.style.fontSize	= this.size + (this.is_px ? 'px' : '%');
	},
	increase : function(){
		if (!this.body) { this.init(); }
		this.adjust_size('+');
		this.set_size();
	},
	decrease : function(){
		if (!this.body) { this.init(); }
		this.adjust_size('-');
		this.set_size();
	},
	resize : function(id){
		if (!this.body) { this.init(); }
		this.size		= this.start;
		this.cur_step	= 0;
		var amount, elem;
		if (id && typeof id == 'string') {
			elem	= W.$(id);
			amount	= this.sizes[id];
			RWJF.cookie.set({name: 'fontsize', value: id, expires: 365});
			if (!elem) { this.find(id); }
		} else {
			this.reset();
			this.find('normal');
		}
		if (amount) {
			var pos	= amount.length;
			while (--pos >= 0) {
				this.adjust_size(amount.charAt(pos));
			}
		} else {
			this.reset();
		}
		this.set_size();
		this.select(elem);
		return this;
	},
	reset : function(){
		if (!this.body) { this.init(); }
		this.size		= this.start;
		this.cur_step	= 0;
		this.enable();
		this.set_size();
		this.select('normal');
		return this;
	},
	is_max : function(dir){
		var step	= this.cur_step;
		if (dir == '+') { ++step; } else { --step; }
		if (Math.abs(step) > this.max_steps) {
			return true;
		} else if (Math.abs(step) == this.max_steps) {
			this.disable(dir);
			return false;
		} else {
			this.enable();
			return false;
		}
	},
	select : function(elem){
		if (!elem) { return; }
		elem 	= W.$(elem);
		if (!elem) { return; }
		this.unselect();
		if (!W.Dom.hasClassname(elem, 'selected')) { elem.className	= 'selected'; }
	},
	unselect : function(){
		var links	= W.$(this.container).getElementsByTagName('a');
		for (var i = links.length; --i >= 0; ) {
			W.Dom.removeClassname(links[i], 'selected');
		}
	},
	disable : function(dir){
		var elem	= W.$('textIncrease');
		if (!elem) { return; }
		if (dir == '+') { elem.className = 'disabled'; } else { elem.className = 'disabled'; }
	},
	enable : function(){
		if (W.$('textIncrease')) { W.$('textIncrease').className = ''; }
		if (W.$('textDecrease')) { W.$('textDecrease').className = ''; }
	},
	find : function(id){
		W.Event.add(window, 'load', function() { RWJF.font.select(id); } );
	}

};

RWJF.smoke = {
	popel: null,			//associates variable with the show smoke glass
	show: function(el){
		this.popel=el;
//		$('smokeglass').style.width=document.body.clientWidth+'px';
		$('smokeglass').style.width=((document.body.clientWidth < 985)?985:document.body.clientWidth)+'px';
		$('smokeglass').style.height=document.body.clientHeight+'px';
		$('smokeglass').style.display='block';
		el.style.display='block';
		this.opacity(60);
	},
	hide: function(){
		if( this.popel!=null && this.popel!=undefined){this.popel.style.display='none';}
		$('smokeglass').style.display='none';
		window.onresize=null;
		if($('flipper')!=null )$('flipper').style.visibility='visible';
	},
	opacity: function(val){
		$('smokeglass').style.opacity = (val/100); // Safari 1.2, newer Firefox and Mozilla, CSS3
		$('smokeglass').style.MozOpacity = (val/100); // Older Mozilla and Firefox
		$('smokeglass').style.KhtmlOpacity = (val/100); // Safari<1.2, Konqueror
		$('smokeglass').style.filter = "alpha(opacity="+val+")";// IE/Win
	},
	resize:function(){
		$('smokeglass').style.width=((document.body.clientWidth < 985)?985:document.body.clientWidth)+'px';
		$('smokeglass').style.height= (((this.popel.clientHeight+this.popel.offsetTop) >document.body.clientHeight)?(this.popel.clientHeight+this.popel.offsetTop):document.body.clientHeight)+'px';
	}
};

RWJF.module={
	hide:function(el){
		if(el.tagName=='LI'){
			if(el.parentNode.tagName=='UL'){
				el = el.parentNode.childNodes;
				for(i=0; i<el.length; i++){
					if( el[i].tagName=="LI"){
						if(el[i].className=='showall')el[i].className='hidelist';
						else if(el[i].className=='hidelist')el[i].className="";
					}}}}},
	show:function(el){
		if(el.tagName=='LI'){
			if(el.parentNode.tagName=='UL'){
				el = el.parentNode.childNodes;
				for(i=4; i<el.length; i++){
					if( el[i].tagName=="LI"){
						if(i==4)el[i].className='showall';
						else el[i].className="hidelist";
					}
				}
			}
		}
	}
};
/* *****   END  RWJF.JS   ******* **/
/* *****    COMMON.JS   ******* **/
function rollover(imgName, active) {if (document.images && document.images[imgName]) {active? document[imgName].src = self[imgName + '_on'].src : document[imgName].src = self[imgName + '_off'].src;}}
function rotateInteractiveStory(MAX_PHOTOS) {
    if (isNaN(num = getCookie('interactiveStory')) || num >= MAX_PHOTOS) num = 0;
    num++;
    setCookie('interactiveStory', (num % MAX_PHOTOS));
    return num-1;}
function rotatecarousel(MAX_DIVs) {
    if (isNaN(num = getCookie('carouselIndex')) || num >= MAX_DIVs) num = 0;
    num++;
    setCookie('carouselIndex', (num % MAX_DIVs));
    return num-1;}
function setCookie(name, value) {var date = new Date();
	var exp = date.getTime() + (90 * 60 * 60 * 1000);
	date.setTime(exp);
	document.cookie = name + "=" + value + "; expires=" + date.toGMTString();}
function setCookie(name, value, time) {var date = new Date();
	var exp = date.getTime() + (time);
	date.setTime(exp);
	document.cookie = name + "=" + value + "; expires=" + date.toGMTString()+'; path=/';}
function getCookie(name) {
	name = name + '=';
	var nameLen = name.length; 		var cookie = document.cookie;
    var cookieLen = cookie.length;	var end; 	var start;	var i = 0;
	while (i < cookieLen) {
		start = i + nameLen;
        if (cookie.substring(i, start) == name) {
			end = cookie.indexOf(";", start);
			if (end == -1) {end = cookie.length;}
			return unescape(cookie.substring(start, end));
		}
		i = cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return "";}
function setLeft() {
	if (document.body.clientWidth) {
		if (document.body.clientWidth < 778) {
			if (document.getElementById) {document.getElementById('body').style.left = '388px';
			} else if (document.all) {document.all('body').style.left = '388px';}
		} else {if (document.getElementById) {document.getElementById('body').style.left = '50%';
			} else if (document.all) {document.all('body').style.left = '50%';}
		}}}
var popUpWin = null;
function popUp(theURL,winName,features) {popUpWin = window.open(theURL,winName,features);if(popUpWin.focus) popUpWin.focus();}
function swap(img) {for (var i = 1; i <= photos; ++i) {var imgName = 'photoessay_' + photoName + '_' + i;document.images[imgName].src = self[imgName + '_' + img].src;	}}
function openPrintFriendly(url) {tempUrl = url;
	winLeft = (screen.width) ? (screen.width-500)/2 : 0;
    winTop = (screen.height) ? (screen.height-500)/2 : 0;
    var params = "location=no,menubar=yes,resizable=yes,scrollbars=yes,status=no,toolbar=yes,directories=no,width=650,height=500,top=" + winTop + ",left=" + winLeft;
    if (url.indexOf(".jhtml") > -1) {url = "/common/getprintfriendly.jsp?resource="+url;}
	else {if (url.indexOf("#")>-1) url = url.substring(0,url.indexOf("#"));
    	if (url.indexOf("?")>-1) url += "&print=true";else url += "?print=true";
    }
	url+="&referer="+escape(tempUrl);
	popUpWin = window.open(url,"PFpanel",params);}
function openPrintAllFriendly(url,id) {
	url="/common/templates/printallfriendly.jsp?id="+id+"&referer="+escape(url);
	winLeft = (screen.width) ? (screen.width-500)/2 : 0;
    winTop = (screen.height) ? (screen.height-500)/2 : 0;
    var params = "location=no,menubar=yes,resizable=yes,scrollbars=yes,status=no,toolbar=yes,directories=no,width=650,height=500,top=" + winTop + ",left=" + winLeft;
	popUpWin = window.open(url,"PFpanel",params);}
function openEmailFriend(url, title) {
    winLeft = (screen.width) ? (screen.width-500)/2 : 0;
    winTop = (screen.height) ? (screen.height-500)/2 : 0;
    var params = "location=no,menubar=no,resizable=yes,scrollbars=no,status=no,toolbar=no,directories=no,width=600,height=400,top=" + winTop + ",left=" + winLeft;
    if (url.indexOf("#")>-1) url = url.substring(0,url.indexOf("#"));
    var urlParams = "?emailLink="+escape(url)+"&title="+title;
	popUpWin = window.open("/global/emailAFriend.jsp"+urlParams,"EAFpanel",params);}
String.prototype.endsWith = function(test) {return (this.indexOf(test) > -1 && (this.indexOf(test) + test.length) == this.length);}
String.prototype.atLocation = function(test) {return (this.indexOf(test) > -1 && this.endsWith(test)) || (this + "/").indexOf(test) > 01;}
function openiWindow(url, parameters, newWindow) {
    if(newWindow) windowname = newWindow;
    else windowname = "interactives";
    win = window.open(url, windowname, parameters);
    if (win.window.focus) {win.window.focus();}}
function embedFlash(movie, id, width, height, bgcolor, flashvars, base, quality, wmode, menu){
    if(!quality) quality="high";
    if(!wmode) wmode="opaque";
    if(!menu) menu="false";
    document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="https://webarchive.library.unt.edu/eot2008/20090116194812/http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="' + width + '" height="' + height + '" id="' + id + '" align="middle">');
    document.write('<param name="allowScriptAccess" value="sameDomain" />');
    document.write('<param name="movie" value="' + movie + '" />');
    document.write('<param name="quality" value="' + quality + '" />');
    document.write('<param name="bgcolor" value="' + bgcolor + '" />');
    document.write('<param name="wmode" value="' + wmode + '">');
    document.write('<param name="menu" value="' + menu + '" />');
    if(flashvars) document.write('<param name="flashvars" value="' + flashvars + '" />');
    if(base) document.write('<param name="base" value="' + base + '">');
    document.write('<embed src="' + movie + '"' + ((flashvars)?' flashVars="' + flashvars + '"':'') + ' quality="' + quality + '" bgcolor="' + bgcolor + '" wmode="' + wmode + '" width="' + width + '" height="' + height + '" name="' + id + '"' + ((base)?' base="' + base + '"':"") + ' align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="https://webarchive.library.unt.edu/eot2008/20090116194812/http://www.macromedia.com/go/getflashplayer" />');
    document.write('</object>');}
    if (window.self != window.top) {
		//top.location.replace(window.location.pathname);
	}
/* *****   END  COMMON.JS   ******* **/
/* *****   UFO.JS   ******* **/
	var UFO = {
		req: ["movie", "width", "height", "majorversion", "build"],
		opt: ["play", "loop", "menu", "quality", "scale", "salign", "wmode", "bgcolor", "base", "flashvars", "devicefont", "allowscriptaccess", "seamlesstabbing", "allowfullscreen", "allownetworking"],
		optAtt: ["id", "name", "align"],
		optExc: ["swliveconnect"],
		ximovie: "/flash/ufo.swf",
		xiwidth: "215",
		xiheight: "138",
		ua: navigator.userAgent.toLowerCase(),
		pluginType: "",
		fv: [0,0],
		foList: [],
		create: function(FO, id) {
			if (!UFO.uaHas("w3cdom") || UFO.uaHas("ieMac")) return;
			UFO.getFlashVersion();
			UFO.foList[id] = UFO.updateFO(FO);
			UFO.createCSS("#" + id, "visibility:hidden;");
			UFO.domLoad(id);
		},
		updateFO: function(FO) {
			if (typeof FO.xi != "undefined" && FO.xi == "true") {
				if (typeof FO.ximovie == "undefined") FO.ximovie = UFO.ximovie;
				if (typeof FO.xiwidth == "undefined") FO.xiwidth = UFO.xiwidth;
				if (typeof FO.xiheight == "undefined") FO.xiheight = UFO.xiheight;}
			FO.mainCalled = false;
			return FO;},
		domLoad: function(id) {
			var _t = setInterval(function() {
				if ((document.getElementsByTagName("body")[0] != null || document.body != null) && document.getElementById(id) != null) {
					UFO.main(id);
					clearInterval(_t);}}, 250);
			if (typeof document.addEventListener != "undefined") {document.addEventListener("DOMContentLoaded", function() { UFO.main(id); clearInterval(_t); } , null);}},
		main: function(id) {
			var _fo = UFO.foList[id];
			if (_fo.mainCalled) return;
			UFO.foList[id].mainCalled = true;
			document.getElementById(id).style.visibility = "hidden";
			if (UFO.hasRequired(id)) {
				if (UFO.hasFlashVersion(parseInt(_fo.majorversion, 10), parseInt(_fo.build, 10))) {
					if (typeof _fo.setcontainercss != "undefined" && _fo.setcontainercss == "true") UFO.setContainerCSS(id);
					UFO.writeSWF(id);}
				else if (_fo.xi == "true" && UFO.hasFlashVersion(6, 65)) {UFO.createDialog(id);}}
			document.getElementById(id).style.visibility = "visible";},
		createCSS: function(selector, declaration) {
			var _h = document.getElementsByTagName("head")[0];
			var _s = UFO.createElement("style");
			if (!UFO.uaHas("ieWin")) _s.appendChild(document.createTextNode(selector + " {" + declaration + "}"));
			_s.setAttribute("type", "text/css");
			_s.setAttribute("media", "screen");
			_h.appendChild(_s);
			if (UFO.uaHas("ieWin") && document.styleSheets && document.styleSheets.length > 0) {
				var _ls = document.styleSheets[document.styleSheets.length - 1];
				if (typeof _ls.addRule == "object") _ls.addRule(selector, declaration);}},
		setContainerCSS: function(id) {
			var _fo = UFO.foList[id];
			var _w = /%/.test(_fo.width) ? "" : "px";
			var _h = /%/.test(_fo.height) ? "" : "px";
			UFO.createCSS("#" + id, "width:" + _fo.width + _w +"; height:" + _fo.height + _h +";");
			if (_fo.width == "100%") {
				UFO.createCSS("body", "margin-left:0; margin-right:0; padding-left:0; padding-right:0;");}
			if (_fo.height == "100%") {
				UFO.createCSS("html", "height:100%; overflow:hidden;");
				UFO.createCSS("body", "margin-top:0; margin-bottom:0; padding-top:0; padding-bottom:0; height:100%;");}},
		createElement: function(el) {return (UFO.uaHas("xml") && typeof document.createElementNS != "undefined") ?  document.createElementNS("https://webarchive.library.unt.edu/eot2008/20090116194812/http://www.w3.org/1999/xhtml", el) : document.createElement(el);},
		createObjParam: function(el, aName, aValue) {
			var _p = UFO.createElement("param");
			_p.setAttribute("name", aName);
			_p.setAttribute("value", aValue);
			el.appendChild(_p);
		},
		uaHas: function(ft) {
			var _u = UFO.ua;
			switch(ft) {
				case "w3cdom":return (typeof document.getElementById != "undefined" && typeof document.getElementsByTagName != "undefined" && (typeof document.createElement != "undefined" || typeof document.createElementNS != "undefined"));
				case "xml":
					var _m = document.getElementsByTagName("meta");
					var _l = _m.length;
					for (var i = 0; i < _l; i++) {if (/content-type/i.test(_m[i].getAttribute("http-equiv")) && /xml/i.test(_m[i].getAttribute("content"))) return true;}
					return false;
				case "ieMac":return /msie/.test(_u) && !/opera/.test(_u) && /mac/.test(_u);
				case "ieWin":return /msie/.test(_u) && !/opera/.test(_u) && /win/.test(_u);
				case "gecko":return /gecko/.test(_u) && !/applewebkit/.test(_u);
				case "opera":return /opera/.test(_u);
				case "safari":return /applewebkit/.test(_u);
				default:return false;
			}},
		getFlashVersion: function() {
			if (UFO.fv[0] != 0) return;
			if (navigator.plugins && typeof navigator.plugins["Shockwave Flash"] == "object") {
				UFO.pluginType = "npapi";
				var _d = navigator.plugins["Shockwave Flash"].description;
				if (typeof _d != "undefined") {
					_d = _d.replace(/^.*\s+(\S+\s+\S+$)/, "$1");
					var _m = parseInt(_d.replace(/^(.*)\..*$/, "$1"), 10);
					var _r = /r/.test(_d) ? parseInt(_d.replace(/^.*r(.*)$/, "$1"), 10) : 0;
					UFO.fv = [_m, _r];}}
			else if (window.ActiveXObject) {
				UFO.pluginType = "ax";
				try {var _a = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");}
				catch(e) {
					try {
						var _a = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
						UFO.fv = [6, 0];
						_a.AllowScriptAccess = "always";
					}
					catch(e) {if (UFO.fv[0] == 6) return;}
					try {var _a = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");}
					catch(e) {}
				}
				if (typeof _a == "object") {
					var _d = _a.GetVariable("$version");
					if (typeof _d != "undefined") {
						_d = _d.replace(/^\S+\s+(.*)$/, "$1").split(",");
						UFO.fv = [parseInt(_d[0], 10), parseInt(_d[2], 10)];}}}},
		hasRequired: function(id) {
			var _l = UFO.req.length;
			for (var i = 0; i < _l; i++) {if (typeof UFO.foList[id][UFO.req[i]] == "undefined") return false;}
			return true;},
		hasFlashVersion: function(major, release) {return (UFO.fv[0] > major || (UFO.fv[0] == major && UFO.fv[1] >= release)) ? true : false;},
		writeSWF: function(id) {
			var _fo = UFO.foList[id];
			var _e = document.getElementById(id);
			if (UFO.pluginType == "npapi") {
				if (UFO.uaHas("gecko") || UFO.uaHas("xml")) {
					while(_e.hasChildNodes()) {_e.removeChild(_e.firstChild);}
					var _obj = UFO.createElement("object");
					_obj.setAttribute("type", "application/x-shockwave-flash");
					_obj.setAttribute("data", _fo.movie);
					_obj.setAttribute("width", _fo.width);
					_obj.setAttribute("height", _fo.height);
					var _l = UFO.optAtt.length;
					for (var i = 0; i < _l; i++) {if (typeof _fo[UFO.optAtt[i]] != "undefined") _obj.setAttribute(UFO.optAtt[i], _fo[UFO.optAtt[i]]);}
					var _o = UFO.opt.concat(UFO.optExc);
					var _l = _o.length;
					for (var i = 0; i < _l; i++) {if (typeof _fo[_o[i]] != "undefined") UFO.createObjParam(_obj, _o[i], _fo[_o[i]]);}
					_e.appendChild(_obj);}
				else {
					var _emb = "";
					var _o = UFO.opt.concat(UFO.optAtt).concat(UFO.optExc);
					var _l = _o.length;
					for (var i = 0; i < _l; i++) {if (typeof _fo[_o[i]] != "undefined") _emb += ' ' + _o[i] + '="' + _fo[_o[i]] + '"';}
					_e.innerHTML = '<embed type="application/x-shockwave-flash" src="' + _fo.movie + '" width="' + _fo.width + '" height="' + _fo.height + '" pluginspage="https://webarchive.library.unt.edu/eot2008/20090116194812/http://www.macromedia.com/go/getflashplayer"' + _emb + '></embed>';}}
			else if (UFO.pluginType == "ax") {
				var _objAtt = "";
				var _l = UFO.optAtt.length;
				for (var i = 0; i < _l; i++) {if (typeof _fo[UFO.optAtt[i]] != "undefined") _objAtt += ' ' + UFO.optAtt[i] + '="' + _fo[UFO.optAtt[i]] + '"';}
				var _objPar = "";
				var _l = UFO.opt.length;
				for (var i = 0; i < _l; i++) {if (typeof _fo[UFO.opt[i]] != "undefined") _objPar += '<param name="' + UFO.opt[i] + '" value="' + _fo[UFO.opt[i]] + '" />';}
				var _p = window.location.protocol == "https:" ? "https:" : "http:";
				_e.innerHTML = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"' + _objAtt + ' width="' + _fo.width + '" height="' + _fo.height + '" codebase="' + _p + '//download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=' + _fo.majorversion + ',0,' + _fo.build + ',0"><param name="movie" value="' + _fo.movie + '" />' + _objPar + '</object>';}},
		createDialog: function(id) {
			var _fo = UFO.foList[id];
			UFO.createCSS("html", "height:100%; overflow:hidden;");
			UFO.createCSS("body", "height:100%; overflow:hidden;");
			UFO.createCSS("#xi-con", "position:absolute; left:0; top:0; z-index:1000; width:100%; height:100%; background-color:#fff; filter:alpha(opacity:75); opacity:0.75;");
			UFO.createCSS("#xi-dia", "position:absolute; left:50%; top:50%; margin-left: -" + Math.round(parseInt(_fo.xiwidth, 10) / 2) + "px; margin-top: -" + Math.round(parseInt(_fo.xiheight, 10) / 2) + "px; width:" + _fo.xiwidth + "px; height:" + _fo.xiheight + "px;");
			var _b = document.getElementsByTagName("body")[0];
			var _c = UFO.createElement("div");
			_c.setAttribute("id", "xi-con");
			var _d = UFO.createElement("div");
			_d.setAttribute("id", "xi-dia");
			_c.appendChild(_d);
			_b.appendChild(_c);
			var _mmu = window.location;
			if (UFO.uaHas("xml") && UFO.uaHas("safari")) {var _mmd = document.getElementsByTagName("title")[0].firstChild.nodeValue = document.getElementsByTagName("title")[0].firstChild.nodeValue.slice(0, 47) + " - Flash Player Installation";}
			else {var _mmd = document.title = document.title.slice(0, 47) + " - Flash Player Installation";}
			var _mmp = UFO.pluginType == "ax" ? "ActiveX" : "PlugIn";
			var _uc = typeof _fo.xiurlcancel != "undefined" ? "&xiUrlCancel=" + _fo.xiurlcancel : "";
			var _uf = typeof _fo.xiurlfailed != "undefined" ? "&xiUrlFailed=" + _fo.xiurlfailed : "";
			UFO.foList["xi-dia"] = { movie:_fo.ximovie, width:_fo.xiwidth, height:_fo.xiheight, majorversion:"6", build:"65", flashvars:"MMredirectURL=" + _mmu + "&MMplayerType=" + _mmp + "&MMdoctitle=" + _mmd + _uc + _uf };
			UFO.writeSWF("xi-dia");},
		expressInstallCallback: function() {
			var _b = document.getElementsByTagName("body")[0];
			var _c = document.getElementById("xi-con");
			_b.removeChild(_c);
			UFO.createCSS("body", "height:auto; overflow:auto;");
			UFO.createCSS("html", "height:auto; overflow:auto;");},
		cleanupIELeaks: function() {
			var _o = document.getElementsByTagName("object");
			var _l = _o.length
			for (var i = 0; i < _l; i++) {
				_o[i].style.display = "none";
				for (var x in _o[i]) {if (typeof _o[i][x] == "function") {_o[i][x] = null;}}}}};
	if (typeof window.attachEvent != "undefined" && UFO.uaHas("ieWin")) {	window.attachEvent("onunload", UFO.cleanupIELeaks);	}
/* *****   END  UFO.JS   ******* **/
/* *****    TOGGLE.JS   ******* **/
W.Toggle = function(node, link){this.init(node, link);};
W.Toggle.prototype = {
	node	: null,		state	: null,		link	: null,
	init : function(node, link){
		var obj		= this;
		this.node 	= W.$(node);
		this.link	= W.$(link);
		this.node.style.overflow	= 'hidden';	},
	activate : function(){
		if (!this.node) { return; }
		if (W.Dom.getStyle(this.node, 'display') != 'none') {this.state = 1;this.close();}
		else {this.state = 0;this.close_all();this.open();}},
	start : function(){if (W.Dom.getStyle(this.node, 'display') == 'none') {this.state = 0;this.close_all();this.open();}},
	open : function(){var node= this.node;
		node.style.height = '0px'; 	node.style.display= 'block';
		var maxHeight= node.scrollHeight;
		new W.Tween({start: 1, change: maxHeight, duration: 10, obj:this, bind: 'update', method: 'easeInOutQuad', callback: 'finish'});},
	close : function(){var node= this.node;
		var height= parseInt(node.offsetHeight, 10);
		var minHeight= 1;
		new W.Tween({start: height, change: minHeight - height, duration: 10, obj:this, bind: 'update', method: 'easeInOutQuad', callback: 'finish'});},
	update : function(x){this.node.style.height	= x + 'px';},
	close_all : function(){
		var toggles = W.Dom.getElementsByClassName('more', 'div');
		var id, num;
		for (var i = toggles.length; --i >= 0; ) {
			id 	= toggles[i].id;
			num	= id.substr(4);
			if (W.Dom.getStyle(toggles[i], 'height') != '1px') {new W.Toggle(id, 'toggle' + num).activate();}}},
	finish : function(){
		if (this.state) {this.node.style.display	= 'none';
			if (this.link) {W.Dom.removeClassname(this.link, 'selected');this.link.blur();}
		} else {if (this.link) {W.Dom.addClassname(this.link, 'selected');this.link.blur();}}}};
/* *****   END  TOGGLE.JS   ******* **/
/* *****   PRODUCT_RELATED_PRODUCTS.JS   ******* **/
var OPAC = 1;
var InfoBubble = {

    bubbleTimeout: 1,
    currentBubble: null,
    timeoutBubbleID: null,
    currentLink: null,

    show: function(aID, bID) {
        /*alert('start of show()....');*/
        var disableFade = 1;
        if(this.currentBubble) {
            disableFade = 1;
        }
        var aBubble = document.getElementById(aID);
        if(aBubble && aBubble != this.currentBubble) {
            this.hide();
            var aBubbleLink = document.getElementById(bID);
           // aBubbleLink.style.background = '#ebf1f0';
            this.currentLink = aBubbleLink;
            if(disableFade == 0) {
                aBubble.style.filter = 'alpha(opacity=0)';
                aBubble.style.opacity = 0;
            }
            else {
                aBubble.style.filter = '';
                aBubble.style.opacity = '';
            }
            aBubble.style.display = 'inline';
            /*
            var heightFromTop = findPosY(aBubbleLink) //- document.body.scrollTop;
            var heightFromTop = findPosY(aBubble) - document.body.scrollTop;
            if(getWindowHeight() < (aBubble.offsetHeight + heightFromTop)) {
                aBubble.style.top = (getWindowHeight() - (aBubble.offsetHeight + heightFromTop)) - 5 + 'px';
               // alert(getWindowHeight() + ', ' + aBubble.offsetHeight + ', ' + heightFromTop + ', ' + aBubble.style.top);
            }
            else {
                if(heightFromTop < 0) {
                    aBubble.style.top = (Math.abs(heightFromTop)) + 5;
                }
                else {
                    aBubble.style.top = 5;
                }
            }
            */
            this.currentBubble = aBubble;
            var pos	= this.findPos(aBubbleLink);
            var offset	= this.currentLink.className == 'info' ? -aBubble.offsetWidth - 15 : this.currentLink.offsetWidth;
            aBubble.style.top	= pos.y - this.topOffset() + 'px';
            aBubble.style.left	= pos.x + offset + 'px';
            if(disableFade == 0) {
                setTimeout('InfoBubble.fadeIn()',30);
                OPAC = 0;
            }
        }

        if(this.timeoutBubbleID) {
            clearTimeout(this.timeoutBubbleID);
        }
    },

    hide: function() {
        if(this.currentBubble) {
            //this.currentLink.style.background = '#FFFFFF';
            this.currentBubble.style.display = 'none';
            this.currentBubble.style.top = 0;
            this.currentBubble = null;
            if(this.timeoutBubbleID) {
                clearTimeout(this.timeoutBubbleID);
            }
        }
    },

    timeout: function() {
        /*alert('start of timeout()....');*/
        if(OPAC == 0) {
            InfoBubble.hide();
        }
        else {
            this.timeoutBubbleID = setTimeout('InfoBubble.hide()', this.bubbleTimeout * 700);
        }
    },

    fadeIn: function() {
        if(this.currentBubble) {
            OPAC = OPAC + .10;
            OPAC = (OPAC>1)?1:OPAC;
            this.currentBubble.style.filter = 'alpha(opacity='+parseInt(100*OPAC)+')';
            this.currentBubble.style.opacity = OPAC;
            if(OPAC<1) {
                setTimeout('InfoBubble.fadeIn()',50);
            }
        }
    },

    // line up the arrow with the link
    topOffset : function()
    {
    	var IE6 = false /*@cc_on || @_jscript_version < 5.7 @*/;
    	if (IE6) {
    		return 34;			// IE6 has the arrow a fixed height from the top
    	}

    	// find the header and return half its height, which should line up with the arrow
    	var divs = this.currentBubble.getElementsByTagName('div');
    	for (var i = 0, l = divs.length; i < l; ++i) {
    		if (divs[i].className == 'header') {
    			var header_height	= divs[i].offsetHeight;
    			return Math.floor(header_height / 2) + 7;		// subtrace half of popup_related_header_top.png which is above the header
    		}
    	}

    	return 0;
    },

	getScroll : function()
	{
		var scroll	= {x: 0, y: 0};

		if (window.scrollY !== undefined) {									// everyone but IE
			return function()
			{
				scroll.y	= window.scrollY;
				scroll.x	= window.scrollX;

				return scroll;
			};
		} else if (document.documentElement && document.compatMode) {		// IE6
			return function()
			{
				scroll.y	= document.documentElement.scrollTop;			// 0 in IE5.5
				scroll.x	= document.documentElement.scrollLeft;

				return scroll;
			};
		} else {															// IE5.5
			return function()
			{
				scroll.y	= document.body.scrollTop;						// 0 in IE6
				scroll.x	= document.body.scrollLeft;

				return scroll;
			};
		}

		//scroll.y 	= window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop;
		//scroll.x	= window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft;
	}(),

	findPos : function(obj)
	{
		if (obj.getBoundingClientRect) {
			var scroll	= this.getScroll();
			return {x: obj.getBoundingClientRect().left + this.getScroll().x, y: obj.getBoundingClientRect().top + this.getScroll().y};
		}


		var curtop = 0;
		var curleft	= 0;
		if(obj.offsetParent) {
			while(1) {
				curtop += obj.offsetTop;
				curleft += obj.offsetLeft;
				if(!obj.offsetParent) { break; }
				obj = obj.offsetParent;
			}
		}
		else if(obj.y) {
			curtop += obj.y;
			curleft += obj.x;
		}
		return {x: curleft, y: curtop};
	},

	getWindowHeight : function()
	{
		var windowHeight=0;
		if(typeof(window.innerHeight) == 'number') {
			windowHeight = window.innerHeight;
		}
		else {
			if(document.documentElement && document.documentElement.clientHeight) {
				windowHeight = document.documentElement.clientHeight;
			}
			else {
				if(document.body && document.body.clientHeight) {
					windowHeight = document.body.clientHeight;
				}
			}
		}
		return windowHeight;
	}
}
/* *****   END  PRODUCT_RELATED_PRODUCTS.JS   ******* **/
/* *****   PROTOTYPE.JS   ******* **/
var Prototype = {
  Version: '1.5.1_rc4',

  Browser: {
    IE:     !!(window.attachEvent && !window.opera),
    Opera:  !!window.opera,
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1
  },

  BrowserFeatures: {
    XPath: !!document.evaluate,
    ElementExtensions: !!window.HTMLElement,
    SpecificElementExtensions:
      (document.createElement('div').__proto__ !==
       document.createElement('form').__proto__)
  },

  ScriptFragment: '<script[^>]*>([\u0001-\uFFFF]*?)</script>',
  JSONFilter: /^\/\*-secure-\s*(.*)\s*\*\/\s*$/,

  emptyFunction: function() { },
  K: function(x) { return x }
}

var Class = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}

var Abstract = new Object();

Object.extend = function(destination, source) {
  for (var property in source) {
    destination[property] = source[property];
  }
  return destination;
}

Object.extend(Object, {
  inspect: function(object) {
    try {
      if (object === undefined) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : object.toString();
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  },

  toJSON: function(object) {
    var type = typeof object;
    switch(type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }
    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (object.ownerDocument === document) return;
    var results = [];
    for (var property in object) {
      var value = Object.toJSON(object[property]);
      if (value !== undefined)
        results.push(property.toJSON() + ': ' + value);
    }
    return '{' + results.join(', ') + '}';
  },

  keys: function(object) {
    var keys = [];
    for (var property in object)
      keys.push(property);
    return keys;
  },

  values: function(object) {
    var values = [];
    for (var property in object)
      values.push(object[property]);
    return values;
  },

  clone: function(object) {
    return Object.extend({}, object);
  }
});

Function.prototype.bind = function() {
  var __method = this, args = $A(arguments), object = args.shift();
  return function() {
    return __method.apply(object, args.concat($A(arguments)));
  }
}

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

Object.extend(Number.prototype, {
  toColorPart: function() {
    return this.toPaddedString(2, 16);
  },

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

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

  toPaddedString: function(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  },

  toJSON: function() {
    return isFinite(this) ? this.toString() : 'null';
  }
});

Date.prototype.toJSON = function() {
  return '"' + this.getFullYear() + '-' +
    (this.getMonth() + 1).toPaddedString(2) + '-' +
    this.getDate().toPaddedString(2) + 'T' +
    this.getHours().toPaddedString(2) + ':' +
    this.getMinutes().toPaddedString(2) + ':' +
    this.getSeconds().toPaddedString(2) + '"';
};

var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) {}
    }

    return returnValue;
  }
}

var PeriodicalExecuter = Class.create();
PeriodicalExecuter.prototype = {
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.callback(this);
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
}
Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

Object.extend(String.prototype, {
  gsub: function(pattern, replacement) {
    var result = '', source = this, match;
    replacement = arguments.callee.prepareReplacement(replacement);

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  },

  sub: function(pattern, replacement, count) {
    replacement = this.gsub.prepareReplacement(replacement);
    count = count === undefined ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  },

  scan: function(pattern, iterator) {
    this.gsub(pattern, iterator);
    return this;
  },

  truncate: function(length, truncation) {
    length = length || 30;
    truncation = truncation === undefined ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : this;
  },

  strip: function() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  },

  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

  stripScripts: function() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  },

  extractScripts: function() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  },

  evalScripts: function() {
    return this.extractScripts().map(function(script) { return eval(script) });
  },

  escapeHTML: function() {
    var self = arguments.callee;
    self.text.data = this;
    return self.div.innerHTML;
  },

  unescapeHTML: function() {
    var div = document.createElement('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
  },

  toQueryParams: function(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return {};

    return match[1].split(separator || '&').inject({}, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var key = decodeURIComponent(pair.shift());
        var value = pair.length > 1 ? pair.join('=') : pair[0];
        if (value != undefined) value = decodeURIComponent(value);

        if (key in hash) {
          if (hash[key].constructor != Array) hash[key] = [hash[key]];
          hash[key].push(value);
        }
        else hash[key] = value;
      }
      return hash;
    });
  },

  toArray: function() {
    return this.split('');
  },

  succ: function() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  },

  times: function(count) {
    var result = '';
    for (var i = 0; i < count; i++) result += this;
    return result;
  },

  camelize: function() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  },

  capitalize: function() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  },

  underscore: function() {
    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
  },

  dasherize: function() {
    return this.gsub(/_/,'-');
  },

  inspect: function(useDoubleQuotes) {
    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
      var character = String.specialChar[match[0]];
      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  },

  toJSON: function() {
    return this.inspect(true);
  },

  unfilterJSON: function(filter) {
    return this.sub(filter || Prototype.JSONFilter, '#{1}');
  },

  evalJSON: function(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || (/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.test(json)))
        return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  },

  include: function(pattern) {
    return this.indexOf(pattern) > -1;
  },

  startsWith: function(pattern) {
    return this.indexOf(pattern) === 0;
  },

  endsWith: function(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.lastIndexOf(pattern) === d;
  },

  empty: function() {
    return this == '';
  },

  blank: function() {
    return /^\s*$/.test(this);
  }
});

if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
  escapeHTML: function() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  },
  unescapeHTML: function() {
    return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
  }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
  if (typeof replacement == 'function') return replacement;
  var template = new Template(replacement);
  return function(match) { return template.evaluate(match) };
}

String.prototype.parseQuery = String.prototype.toQueryParams;

Object.extend(String.prototype.escapeHTML, {
  div:  document.createElement('div'),
  text: document.createTextNode('')
});

with (String.prototype.escapeHTML) div.appendChild(text);

var Template = Class.create();
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
Template.prototype = {
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern  = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    return this.template.gsub(this.pattern, function(match) {
      var before = match[1];
      if (before == '\\') return match[2];
      return before + String.interpret(object[match[3]]);
    });
  }
}

var $break = {}, $continue = new Error('"throw $continue" is deprecated, use "return" instead');

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

  eachSlice: function(number, iterator) {
    var index = -number, slices = [], array = this.toArray();
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.map(iterator);
  },

  all: function(iterator) {
    var result = true;
    this.each(function(value, index) {
      result = result && !!(iterator || Prototype.K)(value, index);
      if (!result) throw $break;
    });
    return result;
  },

  any: function(iterator) {
    var result = false;
    this.each(function(value, index) {
      if (result = !!(iterator || Prototype.K)(value, index))
        throw $break;
    });
    return result;
  },

  collect: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      results.push((iterator || Prototype.K)(value, index));
    });
    return results;
  },

  detect: function(iterator) {
    var result;
    this.each(function(value, index) {
      if (iterator(value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  },

  findAll: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      if (iterator(value, index))
        results.push(value);
    });
    return results;
  },

  grep: function(pattern, iterator) {
    var results = [];
    this.each(function(value, index) {
      var stringValue = value.toString();
      if (stringValue.match(pattern))
        results.push((iterator || Prototype.K)(value, index));
    })
    return results;
  },

  include: function(object) {
    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  },

  inGroupsOf: function(number, fillWith) {
    fillWith = fillWith === undefined ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  },

  inject: function(memo, iterator) {
    this.each(function(value, index) {
      memo = iterator(memo, value, index);
    });
    return memo;
  },

  invoke: function(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  },

  max: function(iterator) {
    var result;
    this.each(function(value, index) {
      value = (iterator || Prototype.K)(value, index);
      if (result == undefined || value >= result)
        result = value;
    });
    return result;
  },

  min: function(iterator) {
    var result;
    this.each(function(value, index) {
      value = (iterator || Prototype.K)(value, index);
      if (result == undefined || value < result)
        result = value;
    });
    return result;
  },

  partition: function(iterator) {
    var trues = [], falses = [];
    this.each(function(value, index) {
      ((iterator || Prototype.K)(value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  },

  pluck: function(property) {
    var results = [];
    this.each(function(value, index) {
      results.push(value[property]);
    });
    return results;
  },

  reject: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      if (!iterator(value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(iterator) {
    return this.map(function(value, index) {
      return {value: value, criteria: iterator(value, index)};
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  },

  toArray: function() {
    return this.map();
  },

  zip: function() {
    var iterator = Prototype.K, args = $A(arguments);
    if (typeof args.last() == 'function')
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  },

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

  inspect: function() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }
}

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray
});
var $A = Array.from = function(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) {
    return iterable.toArray();
  } else {
    var results = [];
    for (var i = 0, length = iterable.length; i < length; i++)
      results.push(iterable[i]);
    return results;
  }
}

if (Prototype.Browser.WebKit) {
  $A = Array.from = function(iterable) {
    if (!iterable) return [];
    if (!(typeof iterable == 'function' && iterable == '[object NodeList]') &&
      iterable.toArray) {
      return iterable.toArray();
    } else {
      var results = [];
      for (var i = 0, length = iterable.length; i < length; i++)
        results.push(iterable[i]);
      return results;
    }
  }
}

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse)
  Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  },

  clear: function() {
    this.length = 0;
    return this;
  },

  first: function() {
    return this[0];
  },

  last: function() {
    return this[this.length - 1];
  },

  compact: function() {
    return this.select(function(value) {
      return value != null;
    });
  },

  flatten: function() {
    return this.inject([], function(array, value) {
      return array.concat(value && value.constructor == Array ?
        value.flatten() : [value]);
    });
  },

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

  indexOf: function(object) {
    for (var i = 0, length = this.length; i < length; i++)
      if (this[i] == object) return i;
    return -1;
  },

  reverse: function(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  },

  reduce: function() {
    return this.length > 1 ? this : this[0];
  },

  uniq: function(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  },

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

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

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

  toJSON: function() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (value !== undefined) results.push(value);
    });
    return '[' + results.join(', ') + ']';
  }
});

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

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

if (Prototype.Browser.Opera){
  Array.prototype.concat = function() {
    var array = [];
    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
    for (var i = 0, length = arguments.length; i < length; i++) {
      if (arguments[i].constructor == Array) {
        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
          array.push(arguments[i][j]);
      } else {
        array.push(arguments[i]);
      }
    }
    return array;
  }
}
var Hash = function(object) {
  if (object instanceof Hash) this.merge(object);
  else Object.extend(this, object || {});
};

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

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

      if (value && typeof value == 'object') {
        if (value.constructor == Array) value.each(function(value) {
          parts.add(pair.key, value);
        });
        return;
      }
      parts.add(pair.key, value);
    });

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

  toJSON: function(object) {
    var results = [];
    this.prototype._each.call(object, function(pair) {
      var value = Object.toJSON(pair.value);
      if (value !== undefined) results.push(pair.key.toJSON() + ': ' + value);
    });
    return '{' + results.join(', ') + '}';
  }
});

Hash.toQueryString.addPair = function(key, value, prefix) {
  key = encodeURIComponent(key);
  if (value === undefined) this.push(key);
  else this.push(key + '=' + (value == null ? '' : encodeURIComponent(value)));
}

Object.extend(Hash.prototype, Enumerable);
Object.extend(Hash.prototype, {
  _each: function(iterator) {
    for (var key in this) {
      var value = this[key];
      if (value && value == Hash.prototype[key]) continue;

      var pair = [key, value];
      pair.key = key;
      pair.value = value;
      iterator(pair);
    }
  },

  keys: function() {
    return this.pluck('key');
  },

  values: function() {
    return this.pluck('value');
  },

  merge: function(hash) {
    return $H(hash).inject(this, function(mergedHash, pair) {
      mergedHash[pair.key] = pair.value;
      return mergedHash;
    });
  },

  remove: function() {
    var result;
    for(var i = 0, length = arguments.length; i < length; i++) {
      var value = this[arguments[i]];
      if (value !== undefined){
        if (result === undefined) result = value;
        else {
          if (result.constructor != Array) result = [result];
          result.push(value)
        }
      }
      delete this[arguments[i]];
    }
    return result;
  },

  toQueryString: function() {
    return Hash.toQueryString(this);
  },

  inspect: function() {
    return '#<Hash:{' + this.map(function(pair) {
      return pair.map(Object.inspect).join(': ');
    }).join(', ') + '}>';
  },

  toJSON: function() {
    return Hash.toJSON(this);
  }
});

function $H(object) {
  if (object instanceof Hash) return object;
  return new Hash(object);
};


if (function() {
  var i = 0, Test = function(value) { this.key = value };
  Test.prototype.key = 'foo';
  for (var property in new Test('bar')) i++;
  return i > 1;
}()) Hash.prototype._each = function(iterator) {
  var cache = [];
  for (var key in this) {
    var value = this[key];
    if ((value && value == Hash.prototype[key]) || cache.include(key)) continue;
    cache.push(key);
    var pair = [key, value];
    pair.key = key;
    pair.value = value;
    iterator(pair);
  }
};
ObjectRange = Class.create();
Object.extend(ObjectRange.prototype, Enumerable);
Object.extend(ObjectRange.prototype, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

  _each: function(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  },

  include: function(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }
});

var $R = function(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
}

var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
}

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (typeof responder[callback] == 'function') {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) {}
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate: function() {
    Ajax.activeRequestCount++;
  },
  onComplete: function() {
    Ajax.activeRequestCount--;
  }
});

Ajax.Base = function() {};
Ajax.Base.prototype = {
  setOptions: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   ''
    }
    Object.extend(this.options, options || {});

    this.options.method = this.options.method.toLowerCase();
    if (typeof this.options.parameters == 'string')
      this.options.parameters = this.options.parameters.toQueryParams();
  }
}

Ajax.Request = Class.create();
Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
  _complete: false,

  initialize: function(url, options) {
    this.transport = Ajax.getTransport();
    this.setOptions(options);
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = Object.clone(this.options.parameters);

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

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

    this.parameters = params;

    if (params = Hash.toQueryString(params)) {
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    try {
      if (this.options.onCreate) this.options.onCreate(this.transport);
      Ajax.Responders.dispatch('onCreate', this, this.transport);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous)
        setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

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

      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');


      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (typeof extras.push == 'function')
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    return !this.transport.status
        || (this.transport.status >= 200 && this.transport.status < 300);
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState];
    var transport = this.transport, json = this.evalJSON();

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + this.transport.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(transport, json);
      } catch (e) {
        this.dispatchException(e);
      }

      var contentType = this.getHeader('Content-type');
      if (contentType && contentType.strip().
        match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))
          this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(transport, json);
      Ajax.Responders.dispatch('on' + state, this, transport, json);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name);
    } catch (e) { return null }
  },

  evalJSON: function() {
    try {
      var json = this.getHeader('X-JSON');
      return json ? json.evalJSON() : null;
    } catch (e) { return null }
  },

  evalResponse: function() {
    try {
      return eval((this.transport.responseText || '').unfilterJSON());
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Updater = Class.create();

Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
  initialize: function(container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    }

    this.transport = Ajax.getTransport();
    this.setOptions(options);

    var onComplete = this.options.onComplete || Prototype.emptyFunction;
    this.options.onComplete = (function(transport, param) {
      this.updateContent();
      onComplete(transport, param);
    }).bind(this);

    this.request(url);
  },

  updateContent: function() {
    var receiver = this.container[this.success() ? 'success' : 'failure'];
    var response = this.transport.responseText;

    if (!this.options.evalScripts) response = response.stripScripts();

    if (receiver = $(receiver)) {
      if (this.options.insertion)
        new this.options.insertion(receiver, response);
      else
        receiver.update(response);
    }

    if (this.success()) {
      if (this.onComplete)
        setTimeout(this.onComplete.bind(this), 10);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create();
Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
  initialize: function(container, url, options) {
    this.setOptions(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = {};
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(request) {
    if (this.options.decay) {
      this.decay = (request.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = request.responseText;
    }
    this.timer = setTimeout(this.onTimerEvent.bind(this),
      this.decay * this.frequency * 1000);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});
function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (typeof element == 'string')
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(query.snapshotItem(i));
    return results;
  };

  document.getElementsByClassName = function(className, parentElement) {
    var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
    return document._getElementsByXPath(q, parentElement);
  }

} else document.getElementsByClassName = function(className, parentElement) {
  var children = ($(parentElement) || document.body).getElementsByTagName('*');
  var elements = [], child;
  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 = {};

Element.extend = function(element) {
  var F = Prototype.BrowserFeatures;
  if (!element || !element.tagName || element.nodeType == 3 ||
   element._extended || F.SpecificElementExtensions || element == window)
    return element;

  var methods = {}, tagName = element.tagName, cache = Element.extend.cache,
   T = Element.Methods.ByTag;

  if (!F.ElementExtensions) {
    Object.extend(methods, Element.Methods),
    Object.extend(methods, Element.Methods.Simulated);
  }

  if (T[tagName]) Object.extend(methods, T[tagName]);

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

  element._extended = Prototype.emptyFunction;
  return element;
};

Element.extend.cache = {
  findOrStore: function(value) {
    return this[value] = this[value] || function() {
      return value.apply(null, [this].concat($A(arguments)));
    }
  }
};

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    $(element).style.display = 'none';
    return element;
  },

  show: function(element) {
    $(element).style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: function(element, html) {
    html = typeof html == 'undefined' ? '' : html.toString();
    $(element).innerHTML = html.stripScripts();
    setTimeout(function() {html.evalScripts()}, 10);
    return element;
  },

  replace: function(element, html) {
    element = $(element);
    html = typeof html == 'undefined' ? '' : html.toString();
    if (element.outerHTML) {
      element.outerHTML = html.stripScripts();
    } else {
      var range = element.ownerDocument.createRange();
      range.selectNodeContents(element);
      element.parentNode.replaceChild(
        range.createContextualFragment(html.stripScripts()), element);
    }
    setTimeout(function() {html.evalScripts()}, 10);
    return element;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return $(element).recursivelyCollect('parentNode');
  },

  descendants: function(element) {
    return $A($(element).getElementsByTagName('*')).each(Element.extend);
  },

  firstDescendant: function(element) {
    element = $(element).firstChild;
    while (element && element.nodeType != 1) element = element.nextSibling;
    return $(element);
  },

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

  previousSiblings: function(element) {
    return $(element).recursivelyCollect('previousSibling');
  },

  nextSiblings: function(element) {
    return $(element).recursivelyCollect('nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return element.previousSiblings().reverse().concat(element.nextSiblings());
  },

  match: function(element, selector) {
    if (typeof selector == 'string')
      selector = new Selector(selector);
    return selector.match($(element));
  },

  up: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(element.parentNode);
    var ancestors = element.ancestors();
    return expression ? Selector.findElement(ancestors, expression, index) :
      ancestors[index || 0];
  },

  down: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return element.firstDescendant();
    var descendants = element.descendants();
    return expression ? Selector.findElement(descendants, expression, index) :
      descendants[index || 0];
  },

  previous: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
    var previousSiblings = element.previousSiblings();
    return expression ? Selector.findElement(previousSiblings, expression, index) :
      previousSiblings[index || 0];
  },

  next: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
    var nextSiblings = element.nextSiblings();
    return expression ? Selector.findElement(nextSiblings, expression, index) :
      nextSiblings[index || 0];
  },

  getElementsBySelector: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  getElementsByClassName: function(element, className) {
    return document.getElementsByClassName(className, element);
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (Prototype.Browser.IE) {
      if (!element.attributes) return null;
      var t = Element._attributeTranslations;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name])  name = t.names[name];
      var attribute = element.attributes[name];
      return attribute ? attribute.nodeValue : null;
    }
    return element.getAttribute(name);
  },

  getHeight: function(element) {
    return $(element).getDimensions().height;
  },

  getWidth: function(element) {
    return $(element).getDimensions().width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    if (elementClassName.length == 0) return false;
    if (elementClassName == className ||
        elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
      return true;
    return false;
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    Element.classNames(element).add(className);
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    Element.classNames(element).remove(className);
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className);
    return element;
  },

  observe: function() {
    Event.observe.apply(Event, arguments);
    return $A(arguments).first();
  },

  stopObserving: function() {
    Event.stopObserving.apply(Event, arguments);
    return $A(arguments).first();
  },

  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);
    while (element = element.parentNode)
      if (element == ancestor) return true;
    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = Position.cumulativeOffset(element);
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value) {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles, camelized) {
    element = $(element);
    var elementStyle = element.style;

    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property])
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') :
          (camelized ? property : property.camelize())] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = $(element).getStyle('display');
    if (display != 'none' && display != null)
      return {width: element.offsetWidth, height: element.offsetHeight};

    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      if (window.opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = element.style.overflow || 'auto';
    if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  }
};

Object.extend(Element.Methods, {
  childOf: Element.Methods.descendantOf,
  childElements: Element.Methods.immediateDescendants
});

if (Prototype.Browser.Opera) {
  Element.Methods._getStyle = Element.Methods.getStyle;
  Element.Methods.getStyle = function(element, style) {
    switch(style) {
      case 'left':
      case 'top':
      case 'right':
      case 'bottom':
        if (Element._getStyle(element, 'position') == 'static') return null;
      default: return Element._getStyle(element, style);
    }
  };
}
else if (Prototype.Browser.IE) {
  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset'+style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      style.filter = filter.replace(/alpha\([^\)]*\)/gi,'');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = filter.replace(/alpha\([^\)]*\)/gi, '') +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };

  Element.Methods.update = function(element, html) {
    element = $(element);
    html = typeof html == 'undefined' ? '' : html.toString();
    var tagName = element.tagName.toUpperCase();
    if (['THEAD','TBODY','TR','TD'].include(tagName)) {
      var div = document.createElement('div');
      switch (tagName) {
        case 'THEAD':
        case 'TBODY':
          div.innerHTML = '<table><tbody>' +  html.stripScripts() + '</tbody></table>';
          depth = 2;
          break;
        case 'TR':
          div.innerHTML = '<table><tbody><tr>' +  html.stripScripts() + '</tr></tbody></table>';
          depth = 3;
          break;
        case 'TD':
          div.innerHTML = '<table><tbody><tr><td>' +  html.stripScripts() + '</td></tr></tbody></table>';
          depth = 4;
      }
      $A(element.childNodes).each(function(node) { element.removeChild(node) });
      depth.times(function() { div = div.firstChild });
      $A(div.childNodes).each(function(node) { element.appendChild(node) });
    } else {
      element.innerHTML = html.stripScripts();
    }
    setTimeout(function() { html.evalScripts() }, 10);
    return element;
  }
}
else if (Prototype.Browser.Gecko) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

Element._attributeTranslations = {
  names: {
    colspan:   "colSpan",
    rowspan:   "rowSpan",
    valign:    "vAlign",
    datetime:  "dateTime",
    accesskey: "accessKey",
    tabindex:  "tabIndex",
    enctype:   "encType",
    maxlength: "maxLength",
    readonly:  "readOnly",
    longdesc:  "longDesc"
  },
  values: {
    _getAttr: function(element, attribute) {
      return element.getAttribute(attribute, 2);
    },
    _flag: function(element, attribute) {
      return $(element).hasAttribute(attribute) ? attribute : null;
    },
    style: function(element) {
      return element.style.cssText.toLowerCase();
    },
    title: function(element) {
      var node = element.getAttributeNode('title');
      return node.specified ? node.nodeValue : null;
    }
  }
};

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

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

Element.Methods.ByTag = {};

Object.extend(Element, Element.Methods);

if (!Prototype.BrowserFeatures.ElementExtensions &&
 document.createElement('div').__proto__) {
  window.HTMLElement = {};
  window.HTMLElement.prototype = document.createElement('div').__proto__;
  Prototype.BrowserFeatures.ElementExtensions = true;
}

Element.hasAttribute = function(element, attribute) {
  if (element.hasAttribute) return element.hasAttribute(attribute);
  return Element.Methods.Simulated.hasAttribute(element, attribute);
};

Element.addMethods = function(methods) {
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

  if (!methods) {
    Object.extend(Form, Form.Methods);
    Object.extend(Form.Element, Form.Element.Methods);
    Object.extend(Element.Methods.ByTag, {
      "FORM":     Object.clone(Form.Methods),
      "INPUT":    Object.clone(Form.Element.Methods),
      "SELECT":   Object.clone(Form.Element.Methods),
      "TEXTAREA": Object.clone(Form.Element.Methods)
    });
  }

  if (arguments.length == 2) {
    var tagName = methods;
    methods = arguments[1];
  }

  if (!tagName) Object.extend(Element.Methods, methods || {});
  else {
    if (tagName.constructor == Array) tagName.each(extend);
    else extend(tagName);
  }

  function extend(tagName) {
    tagName = tagName.toUpperCase();
    if (!Element.Methods.ByTag[tagName])
      Element.Methods.ByTag[tagName] = {};
    Object.extend(Element.Methods.ByTag[tagName], methods);
  }

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    var cache = Element.extend.cache;
    for (var property in methods) {
      var value = methods[property];
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = cache.findOrStore(value);
    }
  }

  function findDOMClass(tagName) {
    var klass;
    var trans = {
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
    };
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName.capitalize() + 'Element';
    if (window[klass]) return window[klass];

    window[klass] = {};
    window[klass].prototype = document.createElement(tagName).__proto__;
    return window[klass];
  }

  if (F.ElementExtensions) {
    copy(Element.Methods, HTMLElement.prototype);
    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
  }

  if (F.SpecificElementExtensions) {
    for (var tag in Element.Methods.ByTag) {
      var klass = findDOMClass(tag);
      if (typeof klass == "undefined") continue;
      copy(T[tag], klass.prototype);
    }
  }

  Object.extend(Element, Element.Methods);
  delete Element.ByTag;
};

var Toggle = { display: Element.toggle };

Abstract.Insertion = function(adjacency) {
  this.adjacency = adjacency;
}

Abstract.Insertion.prototype = {
  initialize: function(element, content) {
    this.element = $(element);
    this.content = content.stripScripts();

    if (this.adjacency && this.element.insertAdjacentHTML) {
      try {
        this.element.insertAdjacentHTML(this.adjacency, this.content);
      } catch (e) {
        var tagName = this.element.tagName.toUpperCase();
        if (['TBODY', 'TR'].include(tagName)) {
          this.insertContent(this.contentFromAnonymousTable());
        } else {
          throw e;
        }
      }
    } else {
      this.range = this.element.ownerDocument.createRange();
      if (this.initializeRange) this.initializeRange();
      this.insertContent([this.range.createContextualFragment(this.content)]);
    }

    setTimeout(function() {content.evalScripts()}, 10);
  },

  contentFromAnonymousTable: function() {
    var div = document.createElement('div');
    div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
    return $A(div.childNodes[0].childNodes[0].childNodes);
  }
}

var Insertion = new Object();

Insertion.Before = Class.create();
Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
  initializeRange: function() {
    this.range.setStartBefore(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.parentNode.insertBefore(fragment, this.element);
    }).bind(this));
  }
});

Insertion.Top = Class.create();
Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
  initializeRange: function() {
    this.range.selectNodeContents(this.element);
    this.range.collapse(true);
  },

  insertContent: function(fragments) {
    fragments.reverse(false).each((function(fragment) {
      this.element.insertBefore(fragment, this.element.firstChild);
    }).bind(this));
  }
});

Insertion.Bottom = Class.create();
Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
  initializeRange: function() {
    this.range.selectNodeContents(this.element);
    this.range.collapse(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.appendChild(fragment);
    }).bind(this));
  }
});

Insertion.After = Class.create();
Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
  initializeRange: function() {
    this.range.setStartAfter(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.parentNode.insertBefore(fragment,
        this.element.nextSibling);
    }).bind(this));
  }
});

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set($A(this).concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set($A(this).without(classNameToRemove).join(' '));
  },

  toString: function() {
    return $A(this).join(' ');
  }
};

Object.extend(Element.ClassNames.prototype, Enumerable);

var Selector = Class.create();

Selector.prototype = {
  initialize: function(expression) {
    this.expression = expression.strip();
    this.compileMatcher();
  },

  compileMatcher: function() {
    if (Prototype.BrowserFeatures.XPath && !(/\[[\w-]*?:/).test(this.expression))
      return this.compileXPathMatcher();

    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m;

    if (Selector._cache[e]) {
      this.matcher = Selector._cache[e]; return;
    }
    this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          this.matcher.push(typeof c[i] == 'function' ? c[i](m) :
    	      new Template(c[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.matcher.push("return h.unique(n);\n}");
    eval(this.matcher.join('\n'));
    Selector._cache[this.expression] = this.matcher;
  },

  compileXPathMatcher: function() {
    var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le,  m;

    if (Selector._cache[e]) {
      this.xpath = Selector._cache[e]; return;
    }

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        if (m = e.match(ps[i])) {
          this.matcher.push(typeof x[i] == 'function' ? x[i](m) :
            new Template(x[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.xpath = this.matcher.join('');
    Selector._cache[this.expression] = this.xpath;
  },

  findElements: function(root) {
    root = root || document;
    if (this.xpath) return document._getElementsByXPath(this.xpath, root);
    return this.matcher(root);
  },

  match: function(element) {
    return this.findElements(document).include(element);
  },

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

  inspect: function() {
    return "#<Selector:" + this.expression.inspect() + ">";
  }
};

Object.extend(Selector, {
  _cache: {},

  xpath: {
    descendant:   "//*",
    child:        "/*",
    adjacent:     "/following-sibling::*[1]",
    laterSibling: '/following-sibling::*',
    tagName:      function(m) {
      if (m[1] == '*') return '';
      return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
    },
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
    id:           "[@id='#{1}']",
    attrPresence: "[@#{1}]",
    attr: function(m) {
      m[3] = m[5] || m[6];
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
    },
    pseudo: function(m) {
      var h = Selector.xpath.pseudos[m[1]];
      if (!h) return '';
      if (typeof h === 'function') return h(m);
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
    },
    operators: {
      '=':  "[@#{1}='#{3}']",
      '!=': "[@#{1}!='#{3}']",
      '^=': "[starts-with(@#{1}, '#{3}')]",
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
      '*=': "[contains(@#{1}, '#{3}')]",
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
    },
    pseudos: {
      'first-child': '[not(preceding-sibling::*)]',
      'last-child':  '[not(following-sibling::*)]',
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
      'empty':       "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
      'checked':     "[@checked]",
      'disabled':    "[@disabled]",
      'enabled':     "[not(@disabled)]",
      'not': function(m) {
        var e = m[6], p = Selector.patterns,
            x = Selector.xpath, le, m, v;

        var exclusion = [];
        while (e && le != e && (/\S/).test(e)) {
          le = e;
          for (var i in p) {
            if (m = e.match(p[i])) {
              v = typeof x[i] == 'function' ? x[i](m) : new Template(x[i]).evaluate(m);
              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
              e = e.replace(m[0], '');
              break;
            }
          }
        }
        return "[not(" + exclusion.join(" and ") + ")]";
      },
      'nth-child':      function(m) {
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
      },
      'nth-last-child': function(m) {
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
      },
      'nth-of-type':    function(m) {
        return Selector.xpath.pseudos.nth("position() ", m);
      },
      'nth-last-of-type': function(m) {
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
      },
      'first-of-type':  function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
      },
      'last-of-type':   function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
      },
      'only-of-type':   function(m) {
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
      },
      nth: function(fragment, m) {
        var mm, formula = m[6], predicate;
        if (formula == 'even') formula = '2n+0';
        if (formula == 'odd')  formula = '2n+1';
        if (mm = formula.match(/^(\d+)$/))
          return '[' + fragment + "= " + mm[1] + ']';
        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) {
          if (mm[1] == "-") mm[1] = -1;
          var a = mm[1] ? Number(mm[1]) : 1;
          var b = mm[2] ? Number(mm[2]) : 0;
          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
          "((#{fragment} - #{b}) div #{a} >= 0)]";
          return new Template(predicate).evaluate({
            fragment: fragment, a: a, b: b });
        }
      }
    }
  },

  criteria: {
    tagName:      'n = h.tagName(n, r, "#{1}", c);   c = false;',
    className:    'n = h.className(n, r, "#{1}", c); c = false;',
    id:           'n = h.id(n, r, "#{1}", c);        c = false;',
    attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;',
    attr: function(m) {
      m[3] = (m[5] || m[6]);
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m);
    },
    pseudo:       function(m) {
      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
    },
    descendant:   'c = "descendant";',
    child:        'c = "child";',
    adjacent:     'c = "adjacent";',
    laterSibling: 'c = "laterSibling";'
  },

  patterns: {
    laterSibling: /^\s*~\s*/,
    child:        /^\s*>\s*/,
    adjacent:     /^\s*\+\s*/,
    descendant:   /^\s/,

    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
    id:           /^#([\w\-\*]+)(\b|$)/,
    className:    /^\.([\w\-\*]+)(\b|$)/,
    pseudo:       /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s)/,
    attrPresence: /^\[([\w]+)\]/,
    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/
  },

  handlers: {
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

    mark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._counted = true;
      return nodes;
    },

    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._counted = undefined;
      return nodes;
    },

    index: function(parentNode, reverse, ofType) {
      parentNode._counted = true;
      if (reverse) {
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
          node = nodes[i];
          if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
      }
    },

    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [], n;
      for (var i = 0, l = nodes.length; i < l; i++)
        if (!(n = nodes[i])._counted) {
          n._counted = true;
          results.push(Element.extend(n));
        }
      return Selector.handlers.unmark(results);
    },

    descendant: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, node.getElementsByTagName('*'));
      return results;
    },

    child: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        for (var j = 0, children = [], child; child = node.childNodes[j]; j++)
          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
      }
      return results;
    },

    adjacent: function(nodes) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        var next = this.nextElementSibling(node);
        if (next) results.push(next);
      }
      return results;
    },

    laterSibling: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.nextSiblings(node));
      return results;
    },

    nextElementSibling: function(node) {
      while (node = node.nextSibling)
	      if (node.nodeType == 1) return node;
      return null;
    },

    previousElementSibling: function(node) {
      while (node = node.previousSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    tagName: function(nodes, root, tagName, combinator) {
      tagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          if (combinator == "descendant") {
            for (var i = 0, node; node = nodes[i]; i++)
              h.concat(results, node.getElementsByTagName(tagName));
            return results;
          } else nodes = this[combinator](nodes);
          if (tagName == "*") return nodes;
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName.toUpperCase() == tagName) results.push(node);
        return results;
      } else return root.getElementsByTagName(tagName);
    },

    id: function(nodes, root, id, combinator) {
      var targetNode = $(id), h = Selector.handlers;
      if (!nodes && root == document) return targetNode ? [targetNode] : [];
      if (nodes) {
        if (combinator) {
          if (combinator == 'child') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (targetNode.parentNode == node) return [targetNode];
          } else if (combinator == 'descendant') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Element.descendantOf(targetNode, node)) return [targetNode];
          } else if (combinator == 'adjacent') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Selector.handlers.previousElementSibling(targetNode) == node)
                return [targetNode];
          } else nodes = h[combinator](nodes);
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node == targetNode) return [targetNode];
        return [];
      }
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
    },

    className: function(nodes, root, className, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      return Selector.handlers.byClassName(nodes, root, className);
    },

    byClassName: function(nodes, root, className) {
      if (!nodes) nodes = Selector.handlers.descendant([root]);
      var needle = ' ' + className + ' ';
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
        nodeClassName = node.className;
        if (nodeClassName.length == 0) continue;
        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
          results.push(node);
      }
      return results;
    },

    attrPresence: function(nodes, root, attr) {
      var results = [];
      for (var i = 0, node; node = nodes[i]; i++)
        if (Element.hasAttribute(node, attr)) results.push(node);
      return results;
    },

    attr: function(nodes, root, attr, value, operator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      var handler = Selector.operators[operator], results = [];
      for (var i = 0, node; node = nodes[i]; i++) {
        var nodeValue = Element.readAttribute(node, attr);
        if (nodeValue === null) continue;
        if (handler(nodeValue, value)) results.push(node);
      }
      return results;
    },

    pseudo: function(nodes, name, value, root, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      if (!nodes) nodes = root.getElementsByTagName("*");
      return Selector.pseudos[name](nodes, value, root);
    }
  },

  pseudos: {
    'first-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.previousElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'last-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.nextElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'only-child': function(nodes, value, root) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
          results.push(node);
      return results;
    },
    'nth-child':        function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root);
    },
    'nth-last-child':   function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true);
    },
    'nth-of-type':      function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, false, true);
    },
    'nth-last-of-type': function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true, true);
    },
    'first-of-type':    function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, false, true);
    },
    'last-of-type':     function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, true, true);
    },
    'only-of-type':     function(nodes, formula, root) {
      var p = Selector.pseudos;
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
    },

    getIndices: function(a, b, total) {
      if (a == 0) return b > 0 ? [b] : [];
      return $R(1, total).inject([], function(memo, i) {
        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
        return memo;
      });
    },

    nth: function(nodes, formula, root, reverse, ofType) {
      if (nodes.length == 0) return [];
      if (formula == 'even') formula = '2n+0';
      if (formula == 'odd')  formula = '2n+1';
      var h = Selector.handlers, results = [], indexed = [], m;
      h.mark(nodes);
      for (var i = 0, node; node = nodes[i]; i++) {
        if (!node.parentNode._counted) {
          h.index(node.parentNode, reverse, ofType);
          indexed.push(node.parentNode);
        }
      }
      if (formula.match(/^\d+$/)) {
        formula = Number(formula);
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex == formula) results.push(node);
      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) {
        if (m[1] == "-") m[1] = -1;
        var a = m[1] ? Number(m[1]) : 1;
        var b = m[2] ? Number(m[2]) : 0;
        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
          for (var j = 0; j < l; j++)
            if (node.nodeIndex == indices[j]) results.push(node);
        }
      }
      h.unmark(nodes);
      h.unmark(indexed);
      return results;
    },

    'empty': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
        results.push(node);
      }
      return results;
    },

    'not': function(nodes, selector, root) {
      var h = Selector.handlers, selectorType, m;
      var exclusions = new Selector(selector).findElements(root);
      h.mark(exclusions);
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node._counted) results.push(node);
      h.unmark(exclusions);
      return results;
    },

    'enabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node.disabled) results.push(node);
      return results;
    },

    'disabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.disabled) results.push(node);
      return results;
    },

    'checked': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.checked) results.push(node);
      return results;
    }
  },

  operators: {
    '=':  function(nv, v) { return nv == v; },
    '!=': function(nv, v) { return nv != v; },
    '^=': function(nv, v) { return nv.startsWith(v); },
    '$=': function(nv, v) { return nv.endsWith(v); },
    '*=': function(nv, v) { return nv.include(v); },
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
    '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
  },

  matchElements: function(elements, expression) {
    var matches = new Selector(expression).findElements(), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._counted) results.push(element);
    h.unmark(matches);
    return results;
  },

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

  findChildElements: function(element, expressions) {
    var exprs = expressions.join(','), expressions = [];
    exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}
var Form = {
  reset: function(form) {
    $(form).reset();
    return form;
  },

  serializeElements: function(elements, getHash) {
    var data = elements.inject({}, function(result, element) {
      if (!element.disabled && element.name) {
        var key = element.name, value = $(element).getValue();
        if (value != null) {
         	if (key in result) {
            if (result[key].constructor != Array) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

    return getHash ? data : Hash.toQueryString(data);
  }
};

Form.Methods = {
  serialize: function(form, getHash) {
    return Form.serializeElements(Form.getElements(form), getHash);
  },

  getElements: function(form) {
    return $A($(form).getElementsByTagName('*')).inject([],
      function(elements, child) {
        if (Form.Element.Serializers[child.tagName.toLowerCase()])
          elements.push(Element.extend(child));
        return elements;
      }
    );
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name) return $A(inputs).map(Element.extend);

    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) || (name && input.name != name))
        continue;
      matchingInputs.push(Element.extend(input));
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('disable');
    return form;
  },

  enable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('enable');
    return form;
  },

  findFirstElement: function(form) {
    return $(form).getElements().find(function(element) {
      return element.type != 'hidden' && !element.disabled &&
        ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    form.findFirstElement().activate();
    return form;
  },

  request: function(form, options) {
    form = $(form), options = Object.clone(options || {});

    var params = options.parameters;
    options.parameters = form.serialize(true);

    if (params) {
      if (typeof params == 'string') params = params.toQueryParams();
      Object.extend(options.parameters, params);
    }

    if (form.hasAttribute('method') && !options.method)
      options.method = form.method;

    return new Ajax.Request(form.readAttribute('action'), options);
  }
}


Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
}

Form.Element.Methods = {
  serialize: function(element) {
    element = $(element);
    if (!element.disabled && element.name) {
      var value = element.getValue();
      if (value != undefined) {
        var pair = {};
        pair[element.name] = value;
        return Hash.toQueryString(pair);
      }
    }
    return '';
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    return Form.Element.Serializers[method](element);
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    try {
      element.focus();
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
        !['button', 'reset', 'submit'].include(element.type)))
        element.select();
    } catch (e) {}
    return element;
  },

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

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


var Field = Form.Element;
var $F = Form.Element.Methods.getValue;


Form.Element.Serializers = {
  input: function(element) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element);
      default:
        return Form.Element.Serializers.textarea(element);
    }
  },

  inputSelector: function(element) {
    return element.checked ? element.value : null;
  },

  textarea: function(element) {
    return element.value;
  },

  select: function(element) {
    return this[element.type == 'select-one' ?
      'selectOne' : 'selectMany'](element);
  },

  selectOne: function(element) {
    var index = element.selectedIndex;
    return index >= 0 ? this.optionValue(element.options[index]) : null;
  },

  selectMany: function(element) {
    var values, length = element.length;
    if (!length) return null;

    for (var i = 0, values = []; i < length; i++) {
      var opt = element.options[i];
      if (opt.selected) values.push(this.optionValue(opt));
    }
    return values;
  },

  optionValue: function(opt) {

    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
  }
}


Abstract.TimedObserver = function() {}
Abstract.TimedObserver.prototype = {
  initialize: function(element, frequency, callback) {
    this.frequency = frequency;
    this.element   = $(element);
    this.callback  = callback;

    this.lastValue = this.getValue();
    this.registerCallback();
  },

  registerCallback: function() {
    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  onTimerEvent: function() {
    var value = this.getValue();
    var changed = ('string' == typeof this.lastValue && 'string' == typeof value
      ? this.lastValue != value : String(this.lastValue) != String(value));
    if (changed) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
}

Form.Element.Observer = Class.create();
Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create();
Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
  getValue: function() {
    return Form.serialize(this.element);
  }
});


Abstract.EventObserver = function() {}
Abstract.EventObserver.prototype = {
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    Form.getElements(this.element).each(this.registerCallback.bind(this));
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
}

Form.Element.EventObserver = Class.create();
Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create();
Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
if (!window.Event) {
  var Event = new Object();
}

Object.extend(Event, {
  KEY_BACKSPACE: 8,
  KEY_TAB:       9,
  KEY_RETURN:   13,
  KEY_ESC:      27,
  KEY_LEFT:     37,
  KEY_UP:       38,
  KEY_RIGHT:    39,
  KEY_DOWN:     40,
  KEY_DELETE:   46,
  KEY_HOME:     36,
  KEY_END:      35,
  KEY_PAGEUP:   33,
  KEY_PAGEDOWN: 34,

  element: function(event) {
    return $(event.target || event.srcElement);
  },

  isLeftClick: function(event) {
    return (((event.which) && (event.which == 1)) ||
            ((event.button) && (event.button == 1)));
  },

  pointerX: function(event) {
    return event.pageX || (event.clientX +
      (document.documentElement.scrollLeft || document.body.scrollLeft));
  },

  pointerY: function(event) {
    return event.pageY || (event.clientY +
      (document.documentElement.scrollTop || document.body.scrollTop));
  },

  stop: function(event) {
    if (event.preventDefault) {
      event.preventDefault();
      event.stopPropagation();
    } else {
      event.returnValue = false;
      event.cancelBubble = true;
    }
  },

  findElement: function(event, tagName) {
    var element = Event.element(event);
    while (element.parentNode && (!element.tagName ||
        (element.tagName.toUpperCase() != tagName.toUpperCase())))
      element = element.parentNode;
    return element;
  },

  observers: false,

  _observeAndCache: function(element, name, observer, useCapture) {
    if (!this.observers) this.observers = [];
    if (element.addEventListener) {
      this.observers.push([element, name, observer, useCapture]);
      element.addEventListener(name, observer, useCapture);
    } else if (element.attachEvent) {
      this.observers.push([element, name, observer, useCapture]);
      element.attachEvent('on' + name, observer);
    }
  },

  unloadCache: function() {
    if (!Event.observers) return;
    for (var i = 0, length = Event.observers.length; i < length; i++) {
      Event.stopObserving.apply(this, Event.observers[i]);
      Event.observers[i][0] = null;
    }
    Event.observers = false;
  },

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

    if (name == 'keypress' &&
      (Prototype.Browser.WebKit || element.attachEvent))
      name = 'keydown';

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

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

    if (name == 'keypress' &&
        (Prototype.Browser.WebKit || element.attachEvent))
      name = 'keydown';

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

if (Prototype.Browser.IE)
  Event.observe(window, 'unload', Event.unloadCache, false);
var Position = {
  includeScrollOffsets: false,

  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  realOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return [valueL, valueT];
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return [valueL, valueT];
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if(element.tagName=='BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p == 'relative' || p == 'absolute') break;
      }
    } while (element);
    return [valueL, valueT];
  },

  offsetParent: function(element) {
    if (element.offsetParent) return element.offsetParent;
    if (element == document.body) return element;

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return element;

    return document.body;
  },

  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = this.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = this.realOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = this.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },

  page: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      if (element.offsetParent == document.body)
        if (Element.getStyle(element,'position')=='absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!window.opera || element.tagName=='BODY') {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return [valueL, valueT];
  },

  clone: function(source, target) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || {})

    source = $(source);
    var p = Position.page(source);

    target = $(target);
    var delta = [0, 0];
    var parent = null;
    if (Element.getStyle(target,'position') == 'absolute') {
      parent = Position.offsetParent(target);
      delta = Position.page(parent);
    }

    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    if(options.setLeft)   target.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if(options.setTop)    target.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if(options.setWidth)  target.style.width = source.offsetWidth + 'px';
    if(options.setHeight) target.style.height = source.offsetHeight + 'px';
  },

  absolutize: function(element) {
    element = $(element);
    if (element.style.position == 'absolute') return;
    Position.prepare();

    var offsets = Position.positionedOffset(element);
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
  },

  relativize: function(element) {
    element = $(element);
    if (element.style.position == 'relative') return;
    Position.prepare();

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
  }
}

if (Prototype.Browser.WebKit) {
  Position.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return [valueL, valueT];
  }
}

Element.addMethods();
/* *****   END  TOGGLE.JS   ******* **/

/* *****  SCRIPTACULOUS.JS   ******* **/
      var Scriptaculous = {
  Version: '1.7.1_beta2',
  require: function(libraryName) {
    document.write('<script type="text/javascript" src="'+libraryName+'"></script>');
  },
  REQUIRED_PROTOTYPE: '1.5.1',
  load: function() {
    function convertVersionString(versionString){
      var r = versionString.split('.');
      return parseInt(r[0])*100000 + parseInt(r[1])*1000 + parseInt(r[2]);
    }

    if((typeof Prototype=='undefined') ||
       (typeof Element == 'undefined') ||
       (typeof Element.Methods=='undefined') ||
       (convertVersionString(Prototype.Version) <
        convertVersionString(Scriptaculous.REQUIRED_PROTOTYPE)))
       throw("script.aculo.us requires the Prototype JavaScript framework >= " +
        Scriptaculous.REQUIRED_PROTOTYPE);

    $A(document.getElementsByTagName("script")).findAll( function(s) {
      return (s.src && s.src.match(/scriptaculous\.js(\?.*)?$/))
    }).each( function(s) {
      var path = s.src.replace(/scriptaculous\.js(\?.*)?$/,'');
      var includes = s.src.match(/\?.*load=([a-z,]*)/);
      (includes ? includes[1] : 'builder,effects,dragdrop,controls,slider,sound').split(',').each(
       function(include) { Scriptaculous.require(path+include+'.js') });
    });
  }
}

Scriptaculous.load();
/* *****   END  SCRIPTACULOUS.JS   ******* **/

/* *****   TREE.JS   ******* **/
W.Tree = function(param){this.init(param);};
W.Tree.prototype = {
	container	: null,			// container for tree
	triggers	: null,			// trigger nodes for opening/closing
	className	: 'folder',		// className for triggers
	init : function(param){
		if (!param.container) { return; }
		this.triggers	= [];
		this.container	= W.$(param.container);
		this.className	= param.className || this.className;
		this.init_triggers();
		W.Event.add(this);
	},
	init_triggers : function(){
		var obj		= this;
		var lists	= this.container.getElementsByTagName('ul');
		var li, a;
		for (var i = lists.length; --i >= 0; ) {
			a			= document.createElement('a');
			a.className	= this.className;
			a.onclick	= function(e) { obj.toggle(e); };
			li	= lists[i].parentNode;
			if (li.tagName.toUpperCase() == 'LI') {
				li.insertBefore(a, lists[i]);
				this.triggers.push(a);}
		}},
	toggle : function(e){
		W.Event.stop(e);
		var link	= W.Event.getTarget(e);
		var li		= link.parentNode;
		var ul		= li.getElementsByTagName('ul')[0];
		var display	= W.Dom.getStyle(ul, 'display');
		if (display == 'block') {
			ul.style.display = 'none';
			W.Dom.removeClassname(link, 'selected');
		} else {
			ul.style.display = 'block';
			W.Dom.addClassname(link, 'selected');
		}},
	close_all : function(){
		var triggers		= this.triggers;
		var ul;
		for (var i = triggers.length; --i >= 0; ) {
			ul	= triggers[i].parentNode.getElementsByTagName('ul')[0];
			ul.style.display	= 'none';
			W.Dom.removeClassname(triggers[i], 'selected');
		}},
	open_all : function(){
		var triggers		= this.triggers;
		var ul;
		for (var i = triggers.length; --i >= 0; ) {
			ul	= triggers[i].parentNode.getElementsByTagName('ul')[0];
			ul.style.display	= 'block';
			W.Dom.addClassname(triggers[i], 'selected');
		}},
	onFilter : function(e){
		var tree	= e.source;
		if (tree.form.value === '') { this.close_all(); }
	},
	onFilterShow : function(e){
		var node	= e.target;
		while (node = node.previousSibling) {if (node.className == this.className) { W.Dom.addClassname(node, 'selected'); }}
	}};
/* *****   END  TREE.JS   ******* **/


/* *****   FILTER.JS   ******* **/
W.Filter = function(param){this.init(param);};
W.Filter.prototype = {
	form	: null,		// input field
	parent	: null,		// containing div
	bullets	: null,		// li tags
	tree	: null,		// W.Tree object
	init : function(param){
		this.form 		= W.$(param.form);
		this.parent		= W.$(param.parent);
		this.tree		= param.tree;
		this.init_form();
		this.get_bullets();},
	init_form : function(){
		var obj	= this;
		this.form.onkeyup	= function() { obj.update(); };
		this.form.value		= '';},
	get_bullets : function(){this.bullets = this.parent.getElementsByTagName('li');},
	update : function(){
		var text, li;
		var search			= new RegExp(this.form.value, 'i');
		var bullets			= this.bullets;
		for (var i = 0, l = bullets.length; i < l; ++i ) {
			li	= bullets[i];
			text = li.innerText || li.textContent;
			if (!text) { continue; }
			if (text.search(search) != -1) {
				li.style.display = 'block';
				this.show_parents(li);
			} else {li.style.display = 'none';}
		}
		W.Event.broadcast('onFilter', {source: this});},
	show_parents : function(node){
		while ((node = node.parentNode) != this.parent) {
			if (node.style.display == 'block') { continue; }
			if (W.Dom.getStyle(node, 'display') == 'none') {
				node.style.display = 'block';
				W.Event.broadcast('onFilterShow', {source: this, target: node});}}}};
/* *****   END  FILTER.JS   ******* **/