function menufunc(menuId)
{
  if(document.getElementById('menuspan'+menuId).style.display == "none" || document.getElementById('menuspan'+menuId).style.display == "" )
  {
    startmenu();
    document.getElementById('menuspan'+menuId).style.display = "inline";
    document.getElementById('menulink'+menuId).className = "linkon";
    document.getElementById('menuhead'+menuId).className = "menuon";
  }
  else
  {
    startmenu();
  }
}