// ***************
// 
// dropdownmenu icm css
//
// ***************


var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var enableanchorlink=0 //Enable or disable the anchor link when clicked on? (1=e, 0=d)
var hidemenu_onclick=1 //hide menu when user clicks within menu? (1=yes, 0=no)

// set documentpath different browsers
var ie5=document.all
var ns6=document.getElementById&&!document.all

// retrieve offset position
function getOffset(whichObject, whichOffset)
{
	var totalOffset=(whichOffset=="left")? whichObject.offsetLeft : whichObject.offsetTop;
	var parentObj=whichObject.offsetParent;
	while (parentObj!=null)
	{
		totalOffset=(whichOffset=="left")? totalOffset+parentObj.offsetLeft : totalOffset+parentObj.offsetTop;
		parentObj=parentObj.offsetParent;
	}
	//alert (totalOffset);
	return totalOffset;
}

// look whether div must show or hide
function showhide(obj, e, visible, hidden)
{
	if (ie5||ns6)	dropmenuobj.style.left=dropmenuobj.style.top=-500
	
	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=0
	if (whichedge=="rightedge")
	{
		var windowedge=ie5 && !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 topedge=ie5 && !window.opera? iecompattest().scrollTop : window.pageYOffset
		var windowedge=ie5 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
		dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
		
		if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
		{ //move up?
			edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
			if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge//up no good either?
		}
	}
	return edgeoffset
}

function dropdownmenu(obj, e, dropmenuID)
{
	//alert (dropmenuID);
	// first check if none of the args is Empty
	if (!dropmenuID == '' && !e == '' && !obj == '')
	{

		if (window.event)
		{
			event.cancelBubble=true
		} else if (e.stopPropagation) 
		{
			e.stopPropagation()
		}
		
		if (typeof dropmenuobj!="undefined") //hide previous menu
		{
			dropmenuobj.style.visibility="hidden"
			clearhidemenu()
		}
		
		if (ie5||ns6)
		{
			obj.onmouseout=delayhidemenu
			dropmenuobj=document.getElementById(dropmenuID)
			if (hidemenu_onclick) dropmenuobj.onclick=function()
			{	
				dropmenuobj.style.visibility='hidden'
			}
			dropmenuobj.onmouseover=clearhidemenu
			dropmenuobj.onmouseout=ie5? 
			
			function(){ dynamichide(event)} : function(event){ dynamichide(event)}
			showhide(dropmenuobj.style, e, "visible", "hidden")
			dropmenuobj.x=getOffset(obj, "left")
			dropmenuobj.y=getOffset(obj, "top")
			//dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
			dropmenuobj.style.left=dropmenuobj.x;
			//alert (dropmenuobj.style.left);
			dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
			//alert (dropmenuobj.style.top);
		}
		//return clickreturnvalue()
	}
}

function clickreturnvalue()
	{
if ((ie5||ns6) && !enableanchorlink) return false
else return true
}

function contains_ns6(a, b) 
{
	while (b.parentNode)
	if ((b = b.parentNode) == a)return true;
	return false;
}

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

function delayhidemenu()
{
	delayhide=setTimeout("dropmenuobj.style.visibility='hidden'",disappeardelay)
}

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