function addEvent(elm, evType, fn, useCapture)
{
	if (elm.addEventListener) {
		elm.addEventListener(evType, fn, useCapture);
		return true;
	}
	else if (elm.attachEvent) {
		var r = elm.attachEvent('on' + evType, fn);
		return r;
	}
	else {
		elm['on' + evType] = fn;
	}
}

addEvent(window,'load',menu,false);

function menu()
{
	activateMenu('subMenu');	
}

activateMenu = function(nav)
{
	var navroot = document.getElementById(nav);
	
	var lis=navroot.getElementsByTagName("LI");
	
	for (i=0; i<lis.length; i++)
	{
		var uls = lis[i].childNodes;
		
		for (c=0; c<uls.length; c++)
		{
			if (uls[c].tagName=="UL")
			{
				lis[i].className+=" sub";
			}
		}
		
		if (document.all && document.getElementById(nav).currentStyle)
		{  
			lis[i].onmouseover=function()
			{	
			   this.className+=" over";
			}
			lis[i].onmouseout=function()
			{                       
			   this.className=this.className.replace(" over", "");
			}
		}

	}
}