el = document.getElementsByTagName("table");
	for (i=0; i<el.length; i++)
		if (el[i].className == "dataTable") {
			rows = el[i].getElementsByTagName("tr");
			for (j=0; j<rows.length; j++)
				rows[j].className = "row" + (j % 2);
		}

	el = document.getElementsByTagName("table");
	for (i=0; i<el.length; i++)
		if (el[i].className == "dataTable sortable") {
			rows = el[i].getElementsByTagName("tr");
			for (j=0; j<rows.length; j++)
				rows[j].className = "row" + (j % 2);
		}