function sfHover() 
{
   if(document.getElementById("nav")){
		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(document.getElementById("other") && document.getElementById("myselect")){

		var sfEls2 = document.getElementById("other");
		var myselect = document.getElementById("myselect");
	
		sfEls2.onmouseover=function(){
			this.className+=" sfhover";
			myselect.style.visibility = "hidden";
		}
		
		sfEls2.onmouseout=function(){
			this.className=this.className.replace(new RegExp("sfhover\\b"), "");
			myselect.style.visibility = "visible";
		}
		
	}
}