function stripe(id) {

    var even = false;
    var evenClass = arguments[1] ? arguments[1] : "even";
    var oddClass = arguments[2] ? arguments[2] : "odd";

    var table = document.getElementById(id);
    if (! table) { return; }
    var tbodies = table.getElementsByTagName("tbody");

    for (var h = 0; h < tbodies.length; h++) {
      if(tbodies[h].parentNode.className==''){
	      var trs = tbodies[h].getElementsByTagName("tr");
	      for (var i = 0; i < trs.length-1; i++) {
	      	if(trs[i].className==''){
		      	trs[i].className= even ? evenClass : oddClass
		        even =  ! even;
		    }
	      }
	   }
    }
}