window.onerror=null;

var Timer;
var name;
var menu;

function Menue(name)
{

if (document.layers)
    {
  for(var i=0; i<=6; i++)
  {
  menuname="M" + i;
  document.layers[menuname].visibility="hidden";
  }
  document.layers[name].visibility="visible";
  clearTimeout(Timer);
  }

else
  {
  for(var i=0; i<=6; i++)
  {
  menuname="M" + i;
  document.getElementById(menuname).style.visibility="hidden";
  }

  {
  document.getElementById(name).style.visibility="visible";
  clearTimeout(Timer);
  }

  }
}

function aus(menu)
{
if(document.layers)
  {
  document.layers[menu].visibility="hidden";
  linkname=menu+1;
  }
else
  {
  document.getElementById(menu).style.visibility="hidden";
  }
}

function MenueAus(name)
{
  menu=name;
  Timer = setTimeout("aus(menu);",500);
}