// 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() {
  
    // if arguments are provided to specify the colours
    // of the even & odd rows, then use the them;
    // otherwise use the following defaults:
    var evenColor = arguments[1] ? arguments[1] : "#ffffee";
    var oddColor = arguments[2] ? arguments[2] : "#ffeecc";
	
	var tags = document.getElementsByTagName("table");

	for(var loop=0;loop<tags.length;loop++)
	{
		var even = false;	
		table = tags[loop];
		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;
		  }
		}
    }
  }