var jshover = function() {
	var elMenu = document.getElementById("topmenu");
	if (elMenu)
	{
		var sfEls = elMenu.getElementsByTagName("li");
		for (var i=0; i<sfEls.length; i++)
		{
			if (sfEls[i].parentNode == elMenu) {
				sfEls[i].onmouseover=function()
				{
					this.className+=" jshover";
				}
				sfEls[i].onmouseout=function()
				{
					this.className=this.className.replace(new RegExp(" jshover\\b"), "");
				}
			}
		}
	}
}

if (window.attachEvent)
	window.attachEvent("onload", jshover);