var disappeardelay = 400;  		//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)

//no further editting needed

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

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)
{
	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)
		{ 
			edgeoffset = dropmenuobj.contentmeasure+obj.offsetHeight;
			
			if((dropmenuobj.y-topedge) < dropmenuobj.contentmeasure) 
			{				
				edgeoffset = dropmenuobj.y + obj.offsetHeight - topedge;
			}
		}
	}
	
	return edgeoffset;
}

function dropdownmenu(obj,e,dropmenuID)
{
	if(window.event) 
	{
		event.cancelBubble = true;
	}
	else if(e.stopPropagation)
	{
		e.stopPropagation();
	}
		
	if(typeof dropmenuobj != 'undefined') 
	{	
		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 = 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';
		}
	}
	
	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);
	}
}