function sfHover() {
	if(navigator.appName=="Microsoft Internet Explorer") {
		var sfEls = document.getElementById("holder").getElementsByTagName("li");
		for (var i=0; i<sfEls.length; i++) {
			sfEls[i].onmouseover=function() {
				this.className+="over";
			}
			sfEls[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp("over\\b"), "");
			}
		}
	}
}
window.onload=sfHover;