sfHover = function() {


	var sfEls = document.getElementById("nav").getElementsByTagName("LI");


	for (var i=0; i<sfEls.length; i++) {


		sfEls[i].onmouseover=function() {


			this.className+=" hover";


		}


		sfEls[i].onmouseout=function() {


			this.className=this.className.replace(new RegExp(" hover\\b"), "");


		}


	}


}


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