function cancelCloseMenu(){
  if(self.tm) clearTimeout(tm) 
}

function showMenu(){
  if(!self.menu || !self.submenu){
    menu=layer("menulayer")
    submenu=layer("submenulayer")
  }

  cancelCloseMenu()

  submenu.moveTo(menu.getAbsoluteLeft(), menu.getAbsoluteTop() + menu.getHeight())
  submenu.show()
}

function initiateHideMenu(){
  tm=setTimeout("hideMenu()",1500) 
}

function hideMenu(){
  submenu.hide()
}

function makeVisible(idL)
{
    obj = document.getElementById(idL);
    obj.style.display = 'block';
}