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, 200], //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?



	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, divboxid){

		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 nVer = navigator.appVersion;
			var nAgt = navigator.userAgent;
			var browserName  = navigator.appName;
			var fullVersion  = ''+parseFloat(navigator.appVersion); 
			var majorVersion = parseInt(navigator.appVersion,10);
			var nameOffset,verOffset,ix;
			var heightofscreen=document.documentElement.scrollHeight;
			//alert(heightofscreen);
			// In MSIE, the true version is after "MSIE" in userAgent
			if ((verOffset=nAgt.indexOf("MSIE"))!=-1) {
			 browserName = "Microsoft Internet Explorer";
			 fullVersion = nAgt.substring(verOffset+5);
			}
			// In Opera, the true version is after "Opera" 
			else if ((verOffset=nAgt.indexOf("Opera"))!=-1) {
			 browserName = "Opera";
			 fullVersion = nAgt.substring(verOffset+6);
			}
			// In Chrome, the true version is after "Chrome" 
			else if ((verOffset=nAgt.indexOf("Chrome"))!=-1) {
			 browserName = "Chrome";
			 fullVersion = nAgt.substring(verOffset+7);
			}
			// In Safari, the true version is after "Safari" 
			else if ((verOffset=nAgt.indexOf("Safari"))!=-1) {
			 browserName = "Safari";
			 fullVersion = nAgt.substring(verOffset+7);
			}
			// In Firefox, the true version is after "Firefox" 
			else if ((verOffset=nAgt.indexOf("Firefox"))!=-1) {
			 browserName = "Firefox";
			 fullVersion = nAgt.substring(verOffset+8);
			}
			// In most other browsers, "name/version" is at the end of userAgent 
			else if ( (nameOffset=nAgt.lastIndexOf(' ')+1) < (verOffset=nAgt.lastIndexOf('/')) ) 
			{
			 browserName = nAgt.substring(nameOffset,verOffset);
			 fullVersion = nAgt.substring(verOffset+1);
			 if (browserName.toLowerCase()==browserName.toUpperCase()) {
			  browserName = navigator.appName;
			 }
			}
			// trim the fullVersion string at semicolon/space if present
			if ((ix=fullVersion.indexOf(";"))!=-1) fullVersion=fullVersion.substring(0,ix);
			if ((ix=fullVersion.indexOf(" "))!=-1) fullVersion=fullVersion.substring(0,ix);
			
			majorVersion = parseInt(''+fullVersion,10);
			if (isNaN(majorVersion)) {
			 fullVersion  = ''+parseFloat(navigator.appVersion); 
			 majorVersion = parseInt(navigator.appVersion,10);
			}
			
			
			
			
			
			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
			
			
			
			if(browserName=="Microsoft Internet Explorer")
				{
			
				//alert(subobj.style.left=this.getposOffset(anchorobj, "offsetLeft")- 130 +"px"
				//alert(anchorobj.currentStyle.offsetLeft)
				var content=document.getElementById('content');
				var contentoffset=this.getposOffset(content, "offsetLeft")
				divboxid.style.left=this.getposOffset(anchorobj, "offsetLeft")- (contentoffset) +"px"
				subobj.style.top=this.getposOffset(anchorobj, "offsetTop")+ 20 +"px"
				}
			else
				{	
				subobj.style.left=anchorobj.style.left
			    subobj.style.top=anchorobj.style.top
				}
			
			

			//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=anchorobj.style.left
			//subobj.style.top=anchorobj.style.top

			

			//subobj.style.left=this.getposOffset(anchorobj, "offsetLeft") -130 +"px"
			//subobj.style.top=this.getposOffset(anchorobj, "offsetTop")+ 20 +"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)

			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){

		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.hidedivmouseout[1])

		}

	},



	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

		}

	},



 init:function(anchorid, pos, glidetime, revealbehavior,boxid){

		var anchorobj=document.getElementById(anchorid)
		var divboxid=document.getElementById(boxid)
				
		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.top=anchorobj.style.top;

		//subobj.style.left=anchorobj.style.left;

		subobj.style.left=subobj.style.top=0

		if (typeof revealbehavior=="undefined" || revealbehavior=="mouseover"){

			anchorobj.onmouseover=function(e){dropdowncontent.show(this, subobj, e, divboxid)}

			anchorobj.onmouseout=function(e){dropdowncontent.hide(subobj, subobj, e)}

			if (this.disableanchorlink) anchorobj.onclick=function(){return false}

		}

		else

			anchorobj.onclick=function(e){dropdowncontent.show(this, subobj, e, divboxid); 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)}

	}
}