function openMenu (tMenu, tButton)
{ var lMenu = new Array();
  lMenu["divreseni"] = 110;
  lMenu["divreference"] = 250;
  if (document.all)
  { if (document.all[tMenu])
    { var eMenu = document.all[tMenu];
      var eButton = document.all[tButton];
      eMenu.style.visibility='visible';
      eMenu.style.left = lMenu[tMenu];
      eMenu.style.top = 93;
    }
  }
  else if (document.getElementById)
  { if (document.getElementById(tMenu))
    { var eMenu = document.getElementById(tMenu);
      var eButton = document.getElementById(tButton);
      eMenu.style.visibility='visible';
      eMenu.style.left = lMenu[tMenu];
      eMenu.style.top = 93;
    }
  }
}

function closeMenu (tMenu)
{ if (document.all)
  { if (document.all[tMenu])
    { var eMenu = document.all[tMenu];
      eMenu.style.visibility = 'hidden';
    }
  }
  else if (document.getElementById)
  { if (document.getElementById(tMenu))
    { var eMenu = document.getElementById(tMenu);
      eMenu.style.visibility = 'hidden';
    }
  }
}