function startmenu()
{ var i,object1
//i=1
//object1=eval("menu"+i)

//object1.style.display = "none";
for (var object2 in document.all)
{
 var str1=object2
 if (str1.substring(0,4)=="menu")
 {
   var str2=eval(object2)
   str2.style.display = "none";
 }
}
}

function menufunc(menus)
{
  if(menus.style.display == "none")
  {
    startmenu();
    menus.style.display = "block";
  }
  else
  {
    startmenu();
  }
}