//Java Menu
function hshow_sub(cid)
{
  el=document.getElementById("menu"+cid);
  if(el)
  {
    if(el.style.visibility=='hidden')
    {
      el.style.visibility='visible';
      el.style.display='block';
    }
  }
}
function hhide_sub(cid)
{
  el=document.getElementById("menu"+cid);
  if(el)
  {
    if(el.style.visibility=='visible')
    {
      el.style.visibility='hidden';
      el.style.display='none';
    }
  }
}