YAHOO.mzag.expandSitemap=function(id_)
{
  var el=document.getElementById(id_);
  var elImage=document.getElementById('img_'+id_);

  if(el!=null)
  {
    if(el.style.display=='none')
    {
      el.style.display='block';
      elImage.src='/mzag/cms/www/images/list_minus.gif';
    }
    else
    {
      el.style.display='none';
      elImage.src='/mzag/cms/www/images/list_plus.gif';
    }
  }
}