// this function is needed to work around 
  // a bug in IE related to element attributes
  function hasClass(obj) {
     var result = false;

  // commented out to make table row striped
  // regardless of having a class previously assigned
  
  //   if (obj.getAttributeNode("class") != null) {
  //       result = obj.getAttributeNode("class").value;
  //   }
  //   return result;
  }   

 function stripe(table) {

    // the flag we'll use to keep track of 
    // whether the current row is odd or even
    var even = false;
  
    // 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] : '#EAEAEA';
    var oddColor = arguments[2] ? arguments[2] : '#FFFFFF';
  
    // obtain a reference to the desired table
    // if no such table exists, abort
    //var table = document.getElementById(id);
    if (! table) { return; }
    
    // by definition, tables can have more than one tbody
    // element, so we'll have to get the list of child
    // <tbody>s 
    var tbodies = table.getElementsByTagName("tbody");

    // and iterate through them...
    for (var h = 0; h < tbodies.length; h++) {
    
     // find all the &lt;tr&gt; elements... 
      var trs = tbodies[h].getElementsByTagName("tr");
      
      // ... and iterate through them
      for (var i = 0; i < trs.length; i++) {

        // avoid rows that have a class attribute
        // or backgroundColor style
        if (! hasClass(trs[i]) &&
            ! trs[i].style.backgroundColor) {
 		  
          // get all the cells in this row...
          var tds = trs[i].getElementsByTagName("td");
        
          // and iterate through them...
          for (var j = 0; j < tds.length; j++) {
        
            var mytd = tds[j];
			
            // avoid cells that have a class attribute
            // or backgroundColor style
            if (! hasClass(mytd) &&
                ! mytd.style.backgroundColor) {

             	mytd.style.backgroundColor = even ? evenColor : oddColor;
            
            }
          }
        }
        // flip from odd to even, or vice-versa
        even = !even;
      }
    }
  }

function stripeTablesByClassName(className, parentElement) {
  var tables = ( document.getElementById(parentElement) || document.body).getElementsByTagName('table');
  for( i=0;i<tables.length;i++ ) {
    if( tables[i].className.match(className) ) stripe( tables[i] );
  }
}
function locate() {
  stripeTablesByClassName('striped');
}
addEvent(window, "load", locate, false);