var menu = new Array();
   var submenu = new Array();

   function initMenu(menuNmbr)
   {
     var l, h;


     for ( i=0; i<=menuNmbr; i++ )
     {
       menu[i] = document.getElementById('menu'+i);
       submenu[i] = document.getElementById('submenu'+i);

       l = menu[i].offsetLeft + menu[i].offsetWidth - 2;
	   h = menu[i].offsetTop - 2;

	   submenu[i].style.left = l + 'px';
       submenu[i].style.top = h + 'px';
     }
   };

   function showSubmenu(i)
   {
     submenu[i].style.visibility = 'visible';
   };

   function hideSubmenu(i)
   {
    
     submenu[i].style.visibility = 'hidden';
   };