var bng_sfHover;
    bng_sfHover = function() {
	    var sfEls = document.getElementById("bng_menu_n").getElementsByTagName("LI");
      for (var i=0; i<sfEls.length; i++) {
		    sfEls[i].onmouseover=function() {
			    this.className+=" bng_sfHover";
		    }
		
        sfEls[i].onmouseout=function() {
            this.className=this.className.replace(new RegExp(" bng_sfHover\\b"), "");
		    }
	    }
    }
    
    if(window.attachEvent) window.attachEvent("onload", bng_sfHover);