var requiredStripeClass = ''; //optional variable, defining the class which is required to "stripe" a table. If empty or null, all tables will be "striped"
var evenColor = '#fff';
var oddColor = '#edf3fe';
  
  // 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 stripeObj(obj) {
    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] : "#fff";
    var oddColor = arguments[2] ? arguments[2] : "#eee";
  
    var table = obj;
    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++) {
        // avoid rows that have a class attribute
        // or backgroundColor style
        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];
            // avoid cells that have a class attribute
            // or backgroundColor style
            if (! hasClass(mytd) &&
                ! mytd.style.backgroundColor) {
              mytd.style.backgroundColor =
                even ? evenColor : oddColor;
            }
          }
        }
        even =  ! even;
      }
    }
  }
function stripeAll(){ //stripe all tables, OR all tables containing the "requiredStripeClass" class
	tList = document.getElementsByTagName('table');
	var t;
	if((typeof evenColor == 'undefined'))
		evenColor = null;
	if((typeof oddColor == 'undefined'))
		oddColor = null;
	for(var x = 0; x < tList.length; x++){
		t = tList[x];
		if((typeof requiredStripeClass != 'undefined') && (requiredStripeClass != null) && (requiredStripeClass != '')){
			if(hasClass(t) == requiredStripeClass)
				stripeObj(t, evenColor, oddColor);
		}
		else
			stripeObj(t, evenColor, oddColor);
	}
}