// this function is needed to work around 
	// a bug in IE related to element attributes
	function hasClass(obj) {
		var result = false;
		if (obj.getAttributeNode("class") != null) {
			result = obj.getAttributeNode("class").value;
		}
		return result;
	}   

 function stripe(id) {
	 
    var even = false;
    var evenColor = arguments[1] ? arguments[1] : "#fff";
    var oddColor = arguments[2] ? arguments[2] : "#eee";
    var table = document.getElementById(id);
    if (! table) { return; }
    var tbodies = table.getElementsByTagName("tbody");

    for (var h = 0; h < tbodies.length; h++) {
      var trs = tbodies[h].getElementsByTagName("tr");
      
      for (var i = 0; i < trs.length; i++) {
         var tds = trs[i].getElementsByTagName("td");
         for (var j = 0; j < tds.length; j++) {
				tds[j].style.backgroundColor = even ? evenColor : oddColor;
			}
			even =  ! even;
      }
    }
  }