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

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

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

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

function showmenu(e, which, optWidth){
if (!document.all&&!document.getElementById)
return
clearhidemenu()
menuobj=ie5? document.all.popitmenu : document.getElementById("popitmenu")
menuobj.innerHTML=which
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
}

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)
}

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



function ShowHelp(div, title, desc)
{
	div = document.getElementById(div);
	div.style.display = 'inline';
	div.style.position = 'absolute';
	div.style.width = '170';
	div.style.backgroundColor = 'lightyellow';
	div.style.border = 'dashed 1px black';
	div.style.zindex = '100';
	div.style.padding = '10px';
	
	div.innerHTML = '<b>' + title + '</b><br><div>' + desc + '</div>';
}

function HideHelp(div)
{
	div = document.getElementById(div);
	div.style.display = 'none';
}
	
function showhideDiv(q_ref)
{
	if (document.all) { //IS IE 4 or 5 (or 6 beta) 
		if (document.all.item(q_ref).style.display == 'none')
			document.all.item(q_ref).style.display = 'block';
		else
			document.all.item(q_ref).style.display = 'none';
	}
	if (document.layers) { //IS NETSCAPE 4 or below 
		if (document.layers[q_ref].display == 'none')
			document.layers[q_ref].display = 'block';
		else
			document.layers[q_ref].display = 'none';
	}
	if (document.getElementById &&!document.all) {
		hza = document.getElementById(q_ref);

		if (hza.style.display == 'none')
			hza.style.display = 'block';
		else
			hza.style.display = 'none';
	}
}
		


function onEnterKey(o, e) {
	if ((e.which && e.which == 13) || (e.keyCode && e.keyCode == 13)) {
		e.cancelBubble = true
		e.returnValue = false
		o.click()
		return false
	} 
	else
		return true
}