var tipwidth='150px' //default tooltip width
var tipbgcolor='lightyellow'  //tooltip bgcolor
var disappeardelay=500  //tooltip disappear speed onMouseout (in miliseconds)
var vertical_offset="-10px" //horizontal offset of tooltip from anchor link
var horizontal_offset="20px" //horizontal offset of tooltip from anchor link

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
	document.write('<div id="fixedtipdiv" style="visibility:hidden;background-image:url(img/tooltipback.gif);width:'+tipwidth+';" ></div>')

function getposOffset(what, offsettype)
{
	var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
	var parentEl=what.offsetParent;
	while (parentEl!=null)
	{
		totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
		parentEl=parentEl.offsetParent;
	}
	return totaloffset;
}


function showhide(obj, e, visible, hidden, tipwidth)
{
	if (ie4||ns6)
		dropmenuobj.style.left=dropmenuobj.style.top=-500
	if (tipwidth!="")
	{
		dropmenuobj.widthobj=dropmenuobj.style
		dropmenuobj.widthobj.width=tipwidth
	}
	if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
	{
		obj.visibility=visible;		
	}	
	else if (e.type=="click")
		obj.visibility=hidden
}


function iecompattest()
{
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
	var edgeoffset=(whichedge=="rightedge")? parseInt(horizontal_offset)*-1 : parseInt(vertical_offset)*-1
	if (whichedge=="rightedge")
	{
		var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
		dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
		if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
			edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
	}
	else
	{
		var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
		dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
		if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
		{
			edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
		}		
	}
	return edgeoffset
}

function fixedtooltip(menucontents, obj, e, tipwidth)
{
	if (window.event) 
		event.cancelBubble=true
	else if (e.stopPropagation) e.stopPropagation()
		clearhidetip()
	dropmenuobj=document.getElementById? document.getElementById("fixedtipdiv") : fixedtipdiv
	dropmenuobj.innerHTML=menucontents

	if (ie4||ns6)
	{
		showhide(dropmenuobj.style, e, "visible", "hidden", tipwidth)
		dropmenuobj.x=getposOffset(obj, "left")
		dropmenuobj.y=getposOffset(obj, "top")
		dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
		dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
	}
}

function hidetip(e)
{
	if (typeof dropmenuobj!="undefined")
	{
		if (ie4||ns6)
		dropmenuobj.style.visibility="hidden"
	}
}

function delayhidetip()
{
	if (ie4||ns6)
	{
		delayhide=setTimeout("hidetip()",disappeardelay)
	}
		
}

function clearhidetip()
{
	if (typeof delayhide!="undefined")
		clearTimeout(delayhide)
}