
sfHover=function(id){
	var el=document.getElementById(id);
	if(!el) return;
  var sfEls=el.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'),'');
		}
	}
};
sfHoverInit=function(){
  sfHover('topNav');
  sfHover('topics');
};
if(window.attachEvent) window.attachEvent('onload',sfHoverInit);


