/*function menu(class_menu,menu_select)
{
  $$("."+class_menu).each(function(element)	{
    Event.observe(element,'mouseover',function(event)	{
        var Elem = Event.element(event);
        if (Elem.hasClassName(class_menu)) {
        $('sous_'+Elem.id).style.display='block';
        Elem.addClassName('over');
        
        }
        event.stopPropagation();
      }
    );
    Event.observe(element,'mouseout',function(event) {
      var Elem = Event.element(event);
      if (Elem.hasClassName(class_menu)) {
        $('sous_'+Elem.id).hide();
        if(Elem.id == ''+menu_select+'')
        {
          Elem.addClassName('over ');
        }else
        {
          Elem.removeClassName('over');	
        }
      }
      event.stopPropagation();
    });
  });
}*/
sfHover = function() {
    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 (window.attachEvent) window.attachEvent("onload", sfHover);