a slight error in my previous post, the function ch(e) should be

      function ch(e)
        {
          // find the +/- symbol
          mark = e.children(0).children(0);
          
          // if it is already collapsed, expand it by showing the children
          if (mark.innerText == "+")
          {
            mark.innerText = "-";
            for (var i = 1; i < e.children.length; i++)
              e.children(i).style.display = "block";

                    
          }
          
          // if it is expanded, collapse it by hiding the children
          else if (mark.innerText == "-")
          {
            mark.innerText = "+";
            for (var i = 1; i < e.children.length; i++)
              e.children(i).style.display="none";
          }
        }


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list