sfHover = function() {
	var sfEls = $get("ddmenu").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
	    var li = sfEls[i];	    	    
        li.onmouseover=function() {this.className="sfhover";};  
        li.onmouseout=function() {this.className="sfnormal";}; 
        
		    /*sfEls[i].onmouseover=function() {
			    this.className+="sfhover";
		    }
		    sfEls[i].onmouseout=function() {
			    this.className=this.className.replace(new RegExp("sfhover\\b"), "");*/
			
	}
}
Sys.Application.add_load(sfHover);