var menu_items = new Array();

function menu_act(id)
 {
  if (menu_items[id] != 1)
    {
//     document.all["menu_"+id].src = "/img/menu_bull_open.gif";
     if (typeof(document.all["menu_tr_"+id])!='undefined')
     	document.all["menu_tr_"+id].style.display = "";
     menu_items[id] = 1;
    }
   else
    {
//     document.all["menu_"+id].src = "/img/menu_bull_close.gif";
     if (typeof(document.all["menu_tr_"+id])!='undefined')
     	document.all["menu_tr_"+id].style.display = "none";
     menu_items[id] = 0;
    }
 }