// JavaScript Document

var elem = "TR";window.onload = function() {
  if(document.getElementsByTagName) {
      var el = document.getElementsByTagName(elem);
	  for(var i=0; i<el.length; i++) {
	          if(el[i].childNodes[0].tagName != "TH" && el[i].parentNode.parentNode.className.indexOf("tbl") != -1) {          if(i%2 == 1) {
			              el[i].className = "on";
						   } else { 
						  el[i].className = "off";
						   }
						           }
								         }
										   }
										         }