// JavaScript Document


sfHover = function() {     
   var sfEls = document.getElementById("topnav").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);