window.onload = function(){
	var tables = document.getElementsByTagName("table");
	for ( var t = 0; t < tables.length; t++ ) {
	  var rows = tables[t].getElementsByTagName("tr");
	  for ( var i = 1; i < rows.length; i += 2 )
		if ( !/(^|s)odd(s|$)/.test( rows[i].className ) )
		  rows[i].className += " odd";
	}
};