single = function(){
		startdate = $("#from").val();
		enddate = $("#to").val();
		$.post("worker.php", { "startdate": startdate, "enddate": enddate },
			function(data) {
				$.each(data, function(key, value){
					appendstring = "<div class='item'>";
					appendstring += "<h3>" + key + "</h3>";
					appendstring += value[0] + "<br />";
					appendstring += value[1];
					appendstring += "</div>";
					$("#myTable").dataTable().fnAddData([
					key,
					value[0],
					value[1],
					"",
					""
					]);
				});
		}, "json");
	}