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 = 0; i < rows.length; i += 2 )
				if ( !/(^|\s)odd(\s|$)/.test( rows[i].className ) )
					rows[i].className += " odd";
		}
	};