sfHover=function(){
	var sfEls=document.getElementById
	("menu_horizontal_deroulant").getElementsByTagName("LI");
	for(var i=0; i<sfEls.lenght; i++) {
	sfEls[i].onmousehover=function() {
	this.className+=" sfhover";
	}
	sfEls[i].onmouseout=function(){
	this.className=this.className.replace
	(new RegExp("sfhover\\b"), "");
	}
	}
	}
	if (window.attachEvent) window.attachEvent("onload", sfHover);
