function popupHtml(elm, elmIndex){
	//alert(elmIndex);
	var divPopUp = document.createElement('div');
	
	//alert(htmlCode);
	divPopUp.id = 'divPopUp' + elmIndex;
	divPopUp.innerText = elm;
	divPopUp.style.cssText='border:1px solid #999999; background-color:#fff; padding:3px 3px 3px 3px ; position:absolute; width:446;'
	//alert(event.srcElement.parentNode.offsetTop)
	divPopUp.style.left = event.srcElement.parentNode.offsetLeft ;
	divPopUp.style.top = event.srcElement.parentNode.offsetTop;
	divPopUp.style.display = 'none';
	
	
	document.body.appendChild(divPopUp);
	document.getElementById('divPopUp' + elmIndex).style.display = 'block';
	
	//htmlWindow = window.open( '','_blank' )
}

function popupHtmlOff(elmIndex){
	//alert(elmIndex);
	if(!document.getElementById('divPopUp' + elmIndex)){
	}else {
		document.getElementById('divPopUp' + elmIndex).style.display = 'none';
	}
}

function updateCoords(elmIndex){
	if(!document.getElementById('divPopUp' + elmIndex)){
	}else {
		document.getElementById('divPopUp' + elmIndex).style.left = event.clientX ;
		document.getElementById('divPopUp' + elmIndex).style.top = event.clientY ;
	}
}

function copyToClipboard(elm){
	window.clipboardData.setData("Text", elm);
	alert("HTML copied to clipboard!");
}

var elmIndex = 0;
a_elms = new Array();

function displayElm(elm){
	elmIndex ++;
	a_elms[elmIndex] = elm;
	
	
	outputHtml = ''+
	'<div class="ITStyleguideHtmlElement"> \n'+
	elm +
	' \n'+
	' \n'+
	'<a href="#" id="aElm" onclick="copyToClipboard(a_elms[' + elmIndex + '])" onmouseout="popupHtmlOff(' + elmIndex + ');" onmouseover="popupHtml(a_elms[' + elmIndex + '], ' + elmIndex + ');" class="ITViewCodeLink">HTML to clipboard</a> \n'+
	'</div>';
	
	document.write(outputHtml);
	//alert(outputHtml);
	
}

function imageholderclass(){
	this.over=new Array();
	this.down=new Array();
	this.src=new Array();
	this.store=store;
	
	function store(src, down, over){
		var AL=this.src.length;
		this.src[AL]=new Image(); this.src[AL].src=src;
		this.over[AL]=new Image(); this.over[AL].src=over;
		this.down[AL]=new Image(); this.down[AL].src=down;
	}
}

var ih = new imageholderclass();
var mouseisdown=0;

function preloader(t){
	for(i=0;i<t.length;i++){
		if(t[i].getAttribute('srcover')||t[i].getAttribute('srcdown')){
			
			storeimages(t[i]);
			var checker='';
			checker=(t[i].getAttribute('srcover'))?checker+'A':checker+'';
			checker=(t[i].getAttribute('srcdown'))?checker+'B':checker+'';
			
			switch(checker){
			case 'A' : mouseover(t[i]);mouseout(t[i]); break;
			case 'B' : mousedown(t[i]); mouseup2(t[i]); break;
			case 'AB' : mouseover(t[i]);mouseout(t[i]); mousedown(t[i]); mouseup(t[i]); break;
			default : return;			
			}
			
			if(t[i].src){t[i].setAttribute("oldsrc",t[i].src);}
		}
	}
}
function mouseup(t){
	var newmouseup;
	if(t.onmouseup){
		t.oldmouseup=t.onmouseup;
		newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("srcover");this.oldmouseup();}

	}
	else{newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("srcover");}}
	t.onmouseup=newmouseup;
}

function mouseup2(t){
	var newmouseup;
	if(t.onmouseup){
		t.oldmouseup=t.onmouseup;
		newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("oldsrc");this.oldmouseup();}
		}
	else{newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("oldsrc");}}
	t.onmouseup = newmouseup;
}

function mousedown(t){
	var newmousedown;
	if(t.onmousedown){
		t.oldmousedown=t.onmousedown;
		newmousedown=function(){if(mouseisdown==0){this.src=this.getAttribute("srcdown");this.oldmousedown();}}
	}
	else{newmousedown=function(){if(mouseisdown==0){this.src=this.getAttribute("srcdown");}}}
	t.onmousedown=newmousedown;
}

function mouseover(t){
	var newmouseover;
	if(t.onmouseover){
		t.oldmouseover=t.onmouseover;
		newmouseover=function(){this.src=this.getAttribute("srcover");this.oldmouseover();}
	}
	else{newmouseover=function(){this.src=this.getAttribute("srcover");}}
	t.onmouseover=newmouseover;
}

function mouseout(t){
	var newmouseout;
	if(t.onmouseout){
		t.oldmouseout=t.onmouseout;
		newmouseout=function(){this.src=this.getAttribute("oldsrc");this.oldmouseout();}
	}
	else{newmouseout=function(){this.src=this.getAttribute("oldsrc");}}
	t.onmouseout=newmouseout;
}

function storeimages(t){
	var s=(t.getAttribute('src'))?t.getAttribute('src'):'';
	var d=(t.getAttribute('srcdown'))?t.getAttribute('srcdown'):'';
	var o=(t.getAttribute('srcover'))?t.getAttribute('srcover'):'';
	ih.store(s,d,o);
}

function preloadimgsrc(){
	if(!document.getElementById) return;
	var it=document.getElementsByTagName('IMG');
	var it2=document.getElementsByTagName('INPUT');
	preloader(it);
	preloader(it2);
}

if(window.addEventListener){window.addEventListener("load", preloadimgsrc, false);} 
else{
	if(window.attachEvent){window.attachEvent("onload", preloadimgsrc);}
	else{if(document.getElementById){window.onload=preloadimgsrc;}}
}

function ddtabcontent(tabinterfaceid){
	this.tabinterfaceid=tabinterfaceid //ID of Tab Menu main container
	this.tabs=document.getElementById(tabinterfaceid).getElementsByTagName("a") //Get all tab links within container
	this.enabletabpersistence=true
	this.hottabspositions=[] //Array to store position of tabs that have a "rel" attr defined, relative to all tab links, within container
	this.currentTabIndex=0 //Index of currently selected hot tab (tab with sub content) within hottabspositions[] array
	this.subcontentids=[] //Array to store ids of the sub contents ("rel" attr values)
	this.revcontentids=[] //Array to store ids of arbitrary contents to expand/contact as well ("rev" attr values)
	this.selectedClassTarget="link" //keyword to indicate which target element to assign "selected" CSS class ("linkparent" or "link")
}

ddtabcontent.getCookie=function(Name){ 
	var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
	if (document.cookie.match(re)) //if cookie found
		return document.cookie.match(re)[0].split("=")[1] //return its value
	return ""
}

ddtabcontent.setCookie=function(name, value){
	document.cookie = name+"="+value+";path=/" //cookie value is domain wide (path=/)
}

ddtabcontent.prototype={

	expandit:function(tabid_or_position){ //PUBLIC function to select a tab either by its ID or position(int) within its peers
		this.cancelautorun() //stop auto cycling of tabs (if running)
		var tabref=""
		try{
			if (typeof tabid_or_position=="string" && document.getElementById(tabid_or_position).getAttribute("rel")) //if specified tab contains "rel" attr
				tabref=document.getElementById(tabid_or_position)
			else if (parseInt(tabid_or_position)!=NaN && this.tabs[tabid_or_position].getAttribute("rel")) //if specified tab contains "rel" attr
				tabref=this.tabs[tabid_or_position]
		}
		catch(err){alert("Invalid Tab ID or position entered!")}
		if (tabref!="") //if a valid tab is found based on function parameter
			this.expandtab(tabref) //expand this tab
	},

	cycleit:function(dir, autorun){ //PUBLIC function to move foward or backwards through each hot tab (tabinstance.cycleit('foward/back') )
		if (dir=="next"){
			var currentTabIndex=(this.currentTabIndex<this.hottabspositions.length-1)? this.currentTabIndex+1 : 0
		}
		else if (dir=="prev"){
			var currentTabIndex=(this.currentTabIndex>0)? this.currentTabIndex-1 : this.hottabspositions.length-1
		}
		if (typeof autorun=="undefined") //if cycleit() is being called by user, versus autorun() function
			this.cancelautorun() //stop auto cycling of tabs (if running)
		this.expandtab(this.tabs[this.hottabspositions[currentTabIndex]])
	},

	setpersist:function(bool){ //PUBLIC function to toggle persistence feature
			this.enabletabpersistence=bool
	},

	setselectedClassTarget:function(objstr){ //PUBLIC function to set which target element to assign "selected" CSS class ("linkparent" or "link")
		this.selectedClassTarget=objstr || "link"
	},

	getselectedClassTarget:function(tabref){ //Returns target element to assign "selected" CSS class to
		return (this.selectedClassTarget==("linkparent".toLowerCase()))? tabref.parentNode : tabref
	},

	urlparamselect:function(tabinterfaceid){
		var result=window.location.search.match(new RegExp(tabinterfaceid+"=(\\d+)", "i")) //check for "?tabinterfaceid=2" in URL
		return (result==null)? null : parseInt(RegExp.$1) //returns null or index, where index (int) is the selected tab's index
	},

	expandtab:function(tabref){
		var subcontentid=tabref.getAttribute("rel") //Get id of subcontent to expand
		//Get "rev" attr as a string of IDs in the format ",john,george,trey,etc," to easily search through
		var associatedrevids=(tabref.getAttribute("rev"))? ","+tabref.getAttribute("rev").replace(/\s+/, "")+"," : ""
		this.expandsubcontent(subcontentid)
		this.expandrevcontent(associatedrevids)
		for (var i=0; i<this.tabs.length; i++){ //Loop through all tabs, and assign only the selected tab the CSS class "selected"
			this.getselectedClassTarget(this.tabs[i]).className=(this.tabs[i].getAttribute("rel")==subcontentid)? "selected" : ""
		}
		if (this.enabletabpersistence) //if persistence enabled, save selected tab position(int) relative to its peers
			ddtabcontent.setCookie(this.tabinterfaceid, tabref.tabposition)
		this.setcurrenttabindex(tabref.tabposition) //remember position of selected tab within hottabspositions[] array
	},

	expandsubcontent:function(subcontentid){
		for (var i=0; i<this.subcontentids.length; i++){
			var subcontent=document.getElementById(this.subcontentids[i]) //cache current subcontent obj (in for loop)
			subcontent.style.display=(subcontent.id==subcontentid)? "block" : "none" //"show" or hide sub content based on matching id attr value
		}
	},

	expandrevcontent:function(associatedrevids){
		var allrevids=this.revcontentids
		for (var i=0; i<allrevids.length; i++){ //Loop through rev attributes for all tabs in this tab interface
			//if any values stored within associatedrevids matches one within allrevids, expand that DIV, otherwise, contract it
			document.getElementById(allrevids[i]).style.display=(associatedrevids.indexOf(","+allrevids[i]+",")!=-1)? "block" : "none"
		}
	},

	setcurrenttabindex:function(tabposition){ //store current position of tab (within hottabspositions[] array)
		for (var i=0; i<this.hottabspositions.length; i++){
			if (tabposition==this.hottabspositions[i]){
				this.currentTabIndex=i
				break
			}
		}
	},

	autorun:function(){ //function to auto cycle through and select tabs based on a set interval
		this.cycleit('next', true)
	},

	cancelautorun:function(){
		if (typeof this.autoruntimer!="undefined")
			clearInterval(this.autoruntimer)
	},

	init:function(automodeperiod){
		var persistedtab=ddtabcontent.getCookie(this.tabinterfaceid) //get position of persisted tab (applicable if persistence is enabled)
		var selectedtab=-1 //Currently selected tab index (-1 meaning none)
		var selectedtabfromurl=this.urlparamselect(this.tabinterfaceid) //returns null or index from: tabcontent.htm?tabinterfaceid=index
		this.automodeperiod=automodeperiod || 0
		for (var i=0; i<this.tabs.length; i++){
			this.tabs[i].tabposition=i //remember position of tab relative to its peers
			if (this.tabs[i].getAttribute("rel")){
				var tabinstance=this
				this.hottabspositions[this.hottabspositions.length]=i //store position of "hot" tab ("rel" attr defined) relative to its peers
				this.subcontentids[this.subcontentids.length]=this.tabs[i].getAttribute("rel") //store id of sub content ("rel" attr value)
				this.tabs[i].onclick=function(){
					tabinstance.expandtab(this)
					tabinstance.cancelautorun() //stop auto cycling of tabs (if running)
					return false
				}
				if (this.tabs[i].getAttribute("rev")){ //if "rev" attr defined, store each value within "rev" as an array element
					this.revcontentids=this.revcontentids.concat(this.tabs[i].getAttribute("rev").split(/\s*,\s*/))
				}
				if (selectedtabfromurl==i || this.enabletabpersistence && selectedtab==-1 && parseInt(persistedtab)==i || !this.enabletabpersistence && selectedtab==-1 && this.getselectedClassTarget(this.tabs[i]).className=="selected"){
					selectedtab=i //Selected tab index, if found
				}
			}
		} //END for loop
		if (selectedtab!=-1) //if a valid default selected tab index is found
			this.expandtab(this.tabs[selectedtab]) //expand selected tab (either from URL parameter, persistent feature, or class="selected" class)
		else //if no valid default selected index found
			this.expandtab(this.tabs[this.hottabspositions[0]]) //Just select first tab that contains a "rel" attr
		if (parseInt(this.automodeperiod)>500 && this.hottabspositions.length>1){
			this.autoruntimer=setInterval(function(){tabinstance.autorun()}, this.automodeperiod)
		}
	} //END int() function

} //END Prototype assignment