function init () {
        var tables = document.getElementsByTagName("table");
        for (var i = 0; i < tables.length; i++) {
          if (tables[i].className.match(/zebra/)) {
            zebra(tables[i]);
          }
        }
      }

      function zebra (table) {
        var current = "oddRow";
        var trs = table.getElementsByTagName("tr");
        for (var i = 0; i < trs.length; i++) {
          trs[i].className += " " + current;
          current = current == "evenRow" ? "oddRow" : "evenRow";
        }
      }
    /*
	function toggle(el) {
		el.style.display = (el.style.display == 'none') ? '' : 'none'
		}
		*/
	function toggle(id) {
		el = document.getElementById(id);
		el.style.display = (el.style.display == 'none') ? '' : 'none'
		}