sfHover = function() {
	try
	{
	    var sfEls = document.getElementById("gvu_mainnav").getElementsByTagName("LI");
	}
	catch(err){}
	if( sfEls == null )
	{
	    try
	    {
	        var sfEls = document.getElementById("gvu_toptopnav").getElementsByTagName("LI");
	    }
	    catch(err){}
	}
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);