sfHover = function() {
	var sfNvTp = document.getElementById("nav-top").getElementsByTagName("span");
	var sfNvSc = document.getElementById("secondary").getElementsByTagName("a");
	for (var i=0; i<sfNvTp.length; i++) {
		sfNvTp[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfNvTp[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
	for (var i=0; i<sfNvSc.length; i++) {
		sfNvSc[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfNvSc[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);