// hides and shows menu's
function toggleDetail(id,number) {
        for (i=1;i<=number;i++) {
          body=document.getElementById(id+i);
          if (body) {
          if (body.style.display == 'none') {
            // To make tr tags disappear
            // we set display to none, as usual
            // to make them appear again
            // we set style to block for IE
            // but for firefox we use table-row
            try {
              body.style.display='table-row';
            } catch(e) {
              body.style.display = 'block';
            }
          }
          else {
            body.style.display = 'none';
          }
          }
        }
      }