var isIE;
	var isNav5;
	var isNav4;
	var pageLoaded = false;

	if ((navigator.appVersion.charAt(0) == "4")&&(navigator.appName == "Netscape"))
	{
		isNav4 = true;
	}  else if ((navigator.appVersion.charAt(0) =="5")&&(navigator.appName =="Netscape")) {
		isNav5 = true;
	} else if (navigator.appVersion.indexOf("MSIE") != -1) {
		isIE = true;
	}

 	if (isIE || isNav5 || isIE5) {
          divLayer ="DIV";
        } else {
          divLayer ="LAYER";
        }
    var layerClass = "";
        if (isIE || isNav5 || isIE5) {
                layerClass      = "style='visibility:hidden; position:absolute;'";
        } else {
                layerClass      = "VISIBILITY='HIDE' POSITION='ABSOLUTE'";
    }

	function opendescription(x) {
		var firstCell = x.parentNode.parentNode.childNodes[0];
		if (!x.parentNode.parentNode.childNodes[0].className) {
		}
		var description;
		for (i = 0; i < x.parentNode.childNodes.length; i++) {
			if (x.parentNode.childNodes[i].className == "longdescription") {
				description = x.parentNode.childNodes[i];
				break;
			}

		}

		if (description.style.display == 'block') {
		// hide longdescription
			description.style.display = 'none';
			x.parentNode.parentNode.style.backgroundColor = "#fff";
		/*	firstCell.className = 'start'; */
	
		} else {
		//show
			description.style.display = 'block';
			x.parentNode.parentNode.style.backgroundColor = "#fff";
			categoryColor = description.childNodes[description.childNodes.length - 1].className;
			//firstCell.className = categoryColor;
			//firstCell.style.color = '#000';
			
			}
		}	


	/***********************************************
	* Cool DHTML tooltip script II- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
	* This notice MUST stay intact for legal use
	* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
	***********************************************/
	
	var photomessage="Click to download the high resolution version."
		
	var offsetfromcursorX=12 //Customize x offset of tooltip
	var offsetfromcursorY=10 //Customize y offset of tooltip
	
	var offsetdivfrompointerX=10 //Customize x offset of tooltip DIV relative to pointer image
	var offsetdivfrompointerY=14 //Customize y offset of tooltip DIV relative to pointer image. Tip: Set it to (height_of_pointer_image-1).
	
	document.write('<div id="dhtmltooltip"><\/div>') //write out tooltip DIV
	document.write('<img id="dhtmlpointer" src="http://direct.xilinx.com/company/press/images/arrow2.gif">') //write out pointer image
	
	var ie=document.all
	var ns6=document.getElementById && !document.all
	var enabletip=false
	if (ie||ns6)
	var tipobj=document.all? document.all["dhtmltooltip"] : document.getElementById? document.getElementById("dhtmltooltip") : ""
	
	var pointerobj=document.all? document.all["dhtmlpointer"] : document.getElementById? document.getElementById("dhtmlpointer") : ""
	
	function ietruebody(){
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
	}
	
	function ddrivetip(thetext, thewidth, thecolor){
	if (ns6||ie){
	if (typeof thewidth!="undefined") tipobj.style.width=thewidth+"px"
	if (typeof thecolor!="undefined" && thecolor!="") tipobj.style.backgroundColor=thecolor
	tipobj.innerHTML=thetext
	enabletip=true
	return false
	}
	}
	
	function positiontip(e){
	if (enabletip){
	var nondefaultpos=false
	var curX=(ns6)?e.pageX : event.clientX+ietruebody().scrollLeft;
	var curY=(ns6)?e.pageY : event.clientY+ietruebody().scrollTop;
	//Find out how close the mouse is to the corner of the window
	var winwidth=ie&&!window.opera? ietruebody().clientWidth : window.innerWidth-20
	var winheight=ie&&!window.opera? ietruebody().clientHeight : window.innerHeight-20
	
	var rightedge=ie&&!window.opera? winwidth-event.clientX-offsetfromcursorX : winwidth-e.clientX-offsetfromcursorX
	var bottomedge=ie&&!window.opera? winheight-event.clientY-offsetfromcursorY : winheight-e.clientY-offsetfromcursorY
	
	var leftedge=(offsetfromcursorX<0)? offsetfromcursorX*(-1) : -1000
	
	//if the horizontal distance isn't enough to accomodate the width of the context menu
	if (rightedge<tipobj.offsetWidth){
	//move the horizontal position of the menu to the left by it's width
	tipobj.style.left=curX-tipobj.offsetWidth+"px"
	nondefaultpos=true
	}
	else if (curX<leftedge)
	tipobj.style.left="5px"
	else{
	//position the horizontal position of the menu where the mouse is positioned
	tipobj.style.left=curX+offsetfromcursorX-offsetdivfrompointerX+"px"
	pointerobj.style.left=curX+offsetfromcursorX+"px"
	}
	
	//same concept with the vertical position
	if (bottomedge<tipobj.offsetHeight){
	tipobj.style.top=curY-tipobj.offsetHeight-offsetfromcursorY+"px"
	nondefaultpos=true
	}
	else{
	tipobj.style.top=curY+offsetfromcursorY+offsetdivfrompointerY+"px"
	pointerobj.style.top=curY+offsetfromcursorY+"px"
	}
	tipobj.style.visibility="visible"
	if (!nondefaultpos)
	pointerobj.style.visibility="visible"
	else
	pointerobj.style.visibility="hidden"
	}
	}
	
	function hideddrivetip(){
	if (ns6||ie){
	enabletip=false
	tipobj.style.visibility="hidden"
	pointerobj.style.visibility="hidden"
	tipobj.style.left="-1000px"
	tipobj.style.backgroundColor=''
	tipobj.style.width=''
	}
	}
	
	document.onmousemove=positiontip;