sfHover = function() {
var sfEls = document.getElementById("page_header_menu_tabs").getElementsByTagName("LI");

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);