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)

/////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")
	{
		if(dropmenuobj.innerHTML != "")
		{
			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 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;
		}
	}
	return edgeoffset;
}

function dropdownmenu(obj, e, dropmenuID, menubuttonID, menubuttonOrigin)
{
	if (window.event) 
	{
		event.cancelBubble = true;
	}
	else if (e.stopPropagation) 
	{
		e.stopPropagation();
	}
	
	if (typeof dropmenuobj != "undefined")
	{ 
		//hide previous menu
		dropmenuobj.style.visibility = "hidden";

		if(objMenubutton != document.getElementById(menubuttonID)) 
		{
			objMenubutton.src = strMenubuttonOrigin; 
		}
	}
	
	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";

		objMenubutton = document.getElementById(menubuttonID);
		strMenubuttonOrigin = menubuttonOrigin;
	}
	
	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("objMenubutton.src = strMenubuttonOrigin; dropmenuobj.style.visibility = 'hidden'",disappeardelay);
}

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