<!-- hide script from old browsers
function t(link) {
   var parent = link.parentNode.parentNode;
   var c = parent.className;

   if (c.match('collapsed')) {
      c = c.replace(/collapsed/gi, 'expanded');
   } else {
      c = c.replace(/expanded/gi, 'collapsed');
   }

   parent.className = c;
}
// end hiding script from old browsers -->