var dropdowncontent={
	disableanchorlink: true, //when user clicks on anchor link, should link itself be disabled (always true if "revealbehavior" above set to "click")
 hidedivmouseout: [true, 0], //Set hiding behavior within Drop Down DIV itself: [hide_div_onmouseover?, miliseconds_before_hiding]
	ajaxloadingmsg: "Loading content. Please wait...", //HTML to show while ajax page is being feched, if applicable
	ajaxbustcache: true, //Bust cache when fetching Ajax pages?
	mysubobj: null,
	mysubanc: null,
	getposOffset:function(what, offsettype){
		return (what.offsetParent)? what[offsettype]+this.getposOffset(what.offsetParent, offsettype) : what[offsettype]
	},

	isContained:function(m, e){
		var e=window.event || e
		var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
		while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
		if (c==m)
			return true
		else
			return false
	},

	show:function(anchorobj, subobj, e){
		if (!this.isContained(anchorobj, e) || (e && e.type=="click")){
			var e=window.event || e
			if (e.type=="click" && subobj.style.visibility=="visible"){
				subobj.style.visibility="hidden"
				return
			}
			var horizontaloffset=(subobj.dropposition[0]=="left")? -(subobj.offsetWidth-anchorobj.offsetWidth) : 0 //calculate user added horizontal offset
			var verticaloffset=(subobj.dropposition[1]=="top")? -subobj.offsetHeight : anchorobj.offsetHeight //calculate user added vertical offset
			
			subobj.style.left=this.getposOffset(anchorobj, "offsetLeft") + horizontaloffset + "px"
			subobj.style.top=this.getposOffset(anchorobj, "offsetTop")+verticaloffset+"px";
			subobj.style.clip=(subobj.dropposition[1]=="top")? "rect(auto auto auto 0)" : "rect(0 auto 0 0)" //hide drop down box initially via clipping
			subobj.style.visibility="visible"
			subobj.startTime=new Date().getTime()
			subobj.contentheight=parseInt(subobj.offsetHeight)
			//alert(subobj.style.left+" "+subobj.style.top);
			if (typeof window["hidetimer_"+subobj.id]!="undefined") //clear timer that hides drop down box?
				clearTimeout(window["hidetimer_"+subobj.id])
			this.slideengine(subobj, (subobj.dropposition[1]=="top")? "up" : "down")
		}
	},

	curveincrement:function(percent){
		return (1-Math.cos(percent*Math.PI)) / 2 //return cos curve based value from a percentage input
	},

	slideengine:function(obj, direction){
		var elapsed=new Date().getTime()-obj.startTime //get time animation has run
		if (elapsed<obj.glidetime){ //if time run is less than specified length
			var distancepercent=(direction=="down")? this.curveincrement(elapsed/obj.glidetime) : 1-this.curveincrement(elapsed/obj.glidetime)
			var currentclip=(distancepercent*obj.contentheight)+"px"
			obj.style.clip=(direction=="down")? "rect(0 auto "+currentclip+" 0)" : "rect("+currentclip+" auto auto 0)"
			window["glidetimer_"+obj.id]=setTimeout(function(){dropdowncontent.slideengine(obj, direction)}, 10)
		}
		else{ //if animation finished
			obj.style.clip="rect(0 auto auto 0)"
		}
	},

	hide:function(activeobj, subobj, e,anchorid){
		if (!dropdowncontent.isContained(activeobj, e)){
			window["hidetimer_"+subobj.id]=setTimeout(function(){
				subobj.style.visibility="hidden";
				subobj.style.left=subobj.style.top=0;
				clearTimeout(window["glidetimer_"+subobj.id]);
				dropdowncontent.checkBalloon(anchorid, "hide");
			}, dropdowncontent.hidedivmouseout[1])
		}
		
	},
	
	pause:function(numberMillis) 
	{
		var now = new Date();
		var exitTime = now.getTime() + numberMillis;
		while (true) 
		{
			now = new Date();
			if (now.getTime() > exitTime)
			return;
		}
	},
	
	moveBalloon:function(subobj, e, anchorid){ 
		var myP = document.getElementById(anchorid+"question");
		myP.firstChild.data
		var dummy = 0;
		if(myP.firstChild.data.length > 83)
			dummy = -20;
		var scrOfX = 0, scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
	
	
		var posx = 0; 
		var posy = 0; 
		if (!e) 
			var e = window.event; 
		if (e.pageX || e.pageY) 
		{ 
			posx = e.pageX; 
			posy = e.pageY; 
		} 
		else if (e.clientX || e.clientY) 
		{ 
			posx = e.clientX; 
			posy = e.clientY+scrOfY; 
			//alert(wrapper.offsetTop);
		} 
		posy = posy + dummy;
		subobj.style.left=(parseInt(posx)-25)+"px";
		subobj.style.top=(parseInt(posy)-135)+"px";
	},
	
	animate:function(){
		var index = mysubobj.style.left.indexOf("px");
		var pos=mysubobj.style.left.substring(0,index);
			mysubobj.style.left=(parseInt(pos)+(50))+"px";
		if(pos<900)
		setTimeout(dropdowncontent.animate,20);
		else
		mysubobj.style.visibility="hidden";
	},
	
	balloonClick:function(glider, subobj){
		var mychange=false;
		myP = document.getElementById(glider+"question");
		if(isInCookie(myP.firstChild.data)==false)
		 {
			mychange=true;
		 }
		insertToCookie('micardisqkcookie', myP.firstChild.data);
		document.getElementById(glider+"already").style.visibility="visible";
		if(mychange==true)
		{
			document.getElementById(glider+"already").innerHTML = "This question has now been added to your Question Keeper.";
		}
	},
	
	checkBalloon:function(anchorid, type){
		myP = document.getElementById(anchorid+"question");
		if(isInCookie(myP.firstChild.data)==false)
		{
			document.getElementById(anchorid+"already").innerHTML = "Click to add this question to your Question Keeper.";
			if(type=="show")
			{
				document.getElementById(anchorid+"already").style.visibility="visible";
			}
			else
			{
				document.getElementById(anchorid+"already").style.visibility="hidden";
			}
		}
		else
		{
			document.getElementById(anchorid+"already").innerHTML = "This question is already in your Question Keeper";
			if(type=="show")
			{
				document.getElementById(anchorid+"already").style.visibility="visible";
			}
			else
			{
				document.getElementById(anchorid+"already").style.visibility="hidden";
			}
		}
	},

	hidediv:function(subobjid){
		document.getElementById(subobjid).style.visibility="hidden"
	},

	ajaxconnect:function(pageurl, divId){
		var page_request = false
		var bustcacheparameter=""
		if (window.XMLHttpRequest) // if Mozilla, IE7, Safari etc
			page_request = new XMLHttpRequest()
		else if (window.ActiveXObject){ // if IE6 or below
			try {
			page_request = new ActiveXObject("Msxml2.XMLHTTP")
			} 
			catch (e){
				try{
				page_request = new ActiveXObject("Microsoft.XMLHTTP")
				}
				catch (e){}
			}
		}
		else
			return false
		document.getElementById(divId).innerHTML=this.ajaxloadingmsg //Display "fetching page message"
		page_request.onreadystatechange=function(){dropdowncontent.loadpage(page_request, divId)}
		if (this.ajaxbustcache) //if bust caching of external page
			bustcacheparameter=(pageurl.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
		page_request.open('GET', pageurl+bustcacheparameter, true)
		page_request.send(null)
	},

	loadpage:function(page_request, divId){
		if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)){
			document.getElementById(divId).innerHTML=page_request.responseText
		}
	},
	
	dummy:function(){
		alert("works properly");
	},

	init:function(anchorid, pos, glidetime, revealbehavior)
	{
		/*
		 *If the type of the pos is cookie 
		 *Initializes cookie properties
		 */
		if(pos=="cookie")
		{
			var anchorobj=document.getElementById(anchorid);
			var subobj=document.getElementById(anchorobj.getAttribute("rel"));
			var subobjsource=anchorobj.getAttribute("rev");
			if (subobjsource!=null && subobjsource!="")
				this.ajaxconnect(subobjsource, anchorobj.getAttribute("rel"));
			//subobj.dropposition=pos.split("-")
			subobj.glidetime=glidetime || 1000;
			subobj.style.left=subobj.style.top=0;
			mysubobj=subobj;
			mysubanc=anchorid;
			anchorobj.onclick=function(e){dropdowncontent.balloonClick(anchorid, subobj); return false}
			if (this.hidedivmouseout[0]==true) //hide drop down DIV when mouse rolls out of it?
				subobj.onmouseout=function(e){dropdowncontent.hide(this, subobj, e,anchorid);};
		}
		else
		{
			var anchorobj=document.getElementById(anchorid);
			var subobj=document.getElementById(anchorobj.getAttribute("rel"));
			var subobjsource=anchorobj.getAttribute("rev");
			if (subobjsource!=null && subobjsource!="")
				this.ajaxconnect(subobjsource, anchorobj.getAttribute("rel"));
			subobj.dropposition=pos.split("-");
			subobj.glidetime=glidetime || 1000;
			subobj.style.left=subobj.style.top=0;
			if (typeof revealbehavior=="undefined" || revealbehavior=="mouseover"){
				anchorobj.onmouseover=function(e){dropdowncontent.show(this, subobj, e);dropdowncontent.checkBalloon(anchorid, "show");};
				anchorobj.onmouseout=function(e){dropdowncontent.hide(subobj, subobj, e,anchorid);};
				anchorobj.onmousemove=function(e){dropdowncontent.moveBalloon(subobj, e, anchorid);};
				if (this.disableanchorlink) anchorobj.onclick=function(){return false}
			}
			else
			{
				anchorobj.onclick=function(e){dropdowncontent.show(this, subobj, e); return false}
				anchorobj.onmousemove=function(e){dropdowncontent.moveBalloon(subobj, e,anchorid);}
			}
			if (this.hidedivmouseout[0]==true) //hide drop down DIV when mouse rolls out of it?
				subobj.onmouseout=function(e){dropdowncontent.hide(this, subobj, e,anchorid);}
		}
	}
}