function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}

var defaultMenuWidth="150px" //set default menu width.

var linkset=new Array()
linkset[0]=''

var ie5=document.all && !window.opera
var ns6=document.getElementById

if (ie5||ns6)
document.write('<div id="dropdown" onMouseover="clearhidemenu();" onMouseout="dynamichide(event)"></div>')

if (ie5||ns6)
document.write('<div id="tooltip" onMouseover="clearhidemenu();" onMouseout="dynamichide(event)"></div>')

function iecompattest(){
	return (document.compatMode && document.compatMode.indexOf("CSS")!=-1)? document.documentElement : document.body
}

function showmenu(e, which, obj, optWidth){
	objPos = findPos(document.getElementById(obj));

	if (!document.all&&!document.getElementById)
	return
	clearhidemenu()
	menuobj=ie5? document.all.dropdown : document.getElementById("dropdown")
	menuobj.innerHTML=which
	menuobj.style.width=(typeof optWidth!="undefined")? optWidth : defaultMenuWidth
	menuobj.contentwidth=menuobj.offsetWidth
	menuobj.contentheight=menuobj.offsetHeight
	menuobj.style.left = objPos[0];
	menuobj.style.top = objPos[1]+21;
	menuobj.style.visibility="visible"
	return false
}

function contains_ns6(a, b) {
	//Determines if 1 element in contained in another- by Brainjar.com
	while (b.parentNode)
	if ((b = b.parentNode) == a)
	return true;
	return false;
}

function hidemenu(){
	if (window.menuobj)
	menuobj.style.visibility="hidden"
}

function dynamichide(e){
	if (ie5&&!menuobj.contains(e.toElement))
	hidemenu()
	else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
	hidemenu()
}

function delayhidemenu(){
	delayhide=setTimeout("hidemenu()",500)
}

function clearhidemenu(){
	if (window.delayhide)
	clearTimeout(delayhide)
}

function tooltip(e, msg, optWidth){
	if (!document.all&&!document.getElementById)
	return
	clearhidemenu()
	menuobj=ie5? document.all.tooltip : document.getElementById("tooltip")
	menuobj.innerHTML=msg
	menuobj.style.width=(typeof optWidth!="undefined")? optWidth : defaultMenuWidth
	menuobj.contentwidth=menuobj.offsetWidth
	menuobj.contentheight=menuobj.offsetHeight
	eventX=ie5? event.clientX : e.clientX
	eventY=ie5? event.clientY : e.clientY
	//Find out how close the mouse is to the corner of the window
	var rightedge=ie5? iecompattest().clientWidth-eventX : window.innerWidth-eventX
	var bottomedge=ie5? iecompattest().clientHeight-eventY : window.innerHeight-eventY
	//if the horizontal distance isn't enough to accomodate the width of the context menu
	if (rightedge<menuobj.contentwidth)
	//move the horizontal position of the menu to the left by it's width
	menuobj.style.left=ie5? iecompattest().scrollLeft+eventX-menuobj.contentwidth+"px" : window.pageXOffset+eventX-menuobj.contentwidth+"px"
	else
	//position the horizontal position of the menu where the mouse was clicked
	menuobj.style.left=ie5? iecompattest().scrollLeft+eventX+"px" : window.pageXOffset+eventX+"px"
	//same concept with the vertical position
	if (bottomedge<menuobj.contentheight)
	menuobj.style.top=ie5? iecompattest().scrollTop+eventY-menuobj.contentheight+"px" : window.pageYOffset+eventY-menuobj.contentheight+"px"
	else
	menuobj.style.top=ie5? iecompattest().scrollTop+event.clientY+"px" : window.pageYOffset+eventY+"px"
	menuobj.style.visibility="visible"
	return false
}

if (ie5||ns6)
document.onclick=hidemenu