//Programmer : Farhad Sakhaei
//Copyright ParsMizban.com
//All rights reserved

function getElementsByClass (className) {
  var all = document.all ? document.all : document.getElementsByTagName('*');
  var elements = new Array();
  for (var e = 0; e < all.length; e++)
    if (all[e].className == className)
      elements[elements.length] = all[e];
  return elements;
}

function alternate(className) {
	var i=0;
	var tables=getElementsByClass(className);
	for (var table in tables){
		var rows=tables[table].getElementsByTagName("tr");
		for (var row in rows) {
			i++;
			if (i%2==0) {
				rows[row].className="even";
			} else {
				rows[row].className="odd";
			}
		}
	}
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent(function() {
	alternate('alternative');
});