sfHover = function(tid)
{
	if(document.getElementById(tid))
	{
		var sfEls = document.getElementById(tid).getElementsByTagName("li");
		//var obj_RegExp = new RegExp(" sfhover\\b");
		for (var i=0; i<sfEls.length; i++)
		{
			/*
			sfEls[i].onmouseover=function()
			{
				this.className+=" sfhover";
			}
			*/
			sfEls[i].onmouseover = nav_mouseover;
			
			/*
			sfEls[i].onmouseout=function()
			{
				this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
				//this.className=this.className.replace(obj_RegExp, "");
			}
			*/
			sfEls[i].onmouseout = nav_mouseout;
			
		}
	}
}


function nav_mouseover() {
	this.className+=" sfhover";
}

function nav_mouseout() {
	this.className=this.className.replace(obj_RegExp, "");
}

if(document.all)
{
	var obj_RegExp = new RegExp(" sfhover\\b");
	window.onload= function()
	{
		/*navigation portal*/
		sfHover('nav');
		/*downloads*/
		sfHover('sd');
	}
}