var current='';
function mouse(id, mode)
{
  if (id != '' && (mode == 3 || mode == 4))
  {
    if (current != id && document.getElementById('tab_'+current)) document.getElementById('tab_'+current).style.background = 'url(\'images/tab_'+current+'0.gif\')';
    current = id;
    if (mode == 3)
    {
      document.location = id+'.php';
    }
    mode = 2;
  }
  if (id != '' && (mode == 0 || mode == 1) && current == id)
  {
    document.getElementById('tab_'+id).style.background = 'url(\'images/tab_'+id+'2.gif\')';
  }
  else if (id != '')
  {
    document.getElementById('tab_'+id).style.background = 'url(\'images/tab_'+id+mode+'.gif\')';
  }
  return false;
}