// JavaScript Document
sfHover = function() {
     var sfEls = document.getElementById("nav").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);