var MenuTimeout;
function menus()
{
  $('submenus').hide();
}
function subhidden(event,obj)
{
  $('pmenu').className = ($('pmenu').className).replace('hover','');
  MenuTimeout = window.setTimeout(function(){$('submenus').hide();},50);  
}
function subdisplay(event,obj)
{
  if($('pmenu').className.indexOf('hover') == -1) {
    $('pmenu').className = 'hover';
  }
  $('submenus').show();
  window.clearTimeout(MenuTimeout);
}