// <![CDATA[

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] : "#ffffff";

	var oddColor = arguments[2] ? arguments[2] : "#f9f9f9";
  
	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++) {

	if (!hasClass(trs[i]) && ! trs[i].style.backgroundColor) {
 
	var tds = trs[i].getElementsByTagName("td");
        
	for (var j = 0; j < tds.length; j++) {
        
	var mytd = tds[j];

	if (! hasClass(mytd) && ! mytd.style.backgroundColor) {
        
	mytd.style.backgroundColor = even ? evenColor : oddColor;
              
            }
          }
        }
        even =  ! even;
      }
    }
  }
// ]]>