/* handle homepage search-toggle */;
function sif(tid) {
   var tln="ul_"+tid; var tle=document.getElementById(tln);
   var tin="img_"+tid; var tie=document.getElementById(tin);
   if (tle) {
      if (tle.className=='closed') {
         tle.className="open"; tie.src="images/opened.gif"; }
      else { tle.className="closed"; tie.src="images/closed.gif"; } } }