onload = function()

{

  var li, i;

  for(var menu = document.getElementsByTagName("menu"), j = 0; j < menu.length; j++)

  {

    i = (li = menu[j].getElementsByTagName("li")).length - 1;

    while(i--)

      li[i].getElementsByTagName("ul")[0]

        && (li[i].className = "zabalit")

        && (li[i].getElementsByTagName("a")[0].onclick = function()

      {

        return (this.parentNode.className = this.parentNode.className ? "" : "zabalit"), false;

      })

  }

}