อยากถามเรื่องการวนค่า ใน จาวาสคริป โดยดึงข้อมูลมาจากฐานข้อมูลนะครับ ช่วยหน่อยครับไม่เข้าใจ จริง ๆ

<link rel="stylesheet" href="style.css" type="text/css">
        <script src="amcharts_2.10.0/amcharts/amcharts.js" type="text/javascript"></script>        
        <script type="text/javascript">
            var chart;
			<?
				$sql2 = "select * From cusorder";
				$query2 =  mysql_query($sql2);
				while($result2= mysql_fetch_array($query2)){
				?>
            var chartData = [{
                country: "<?=$result2['mm']?>",
                visits: <?=$result2['Total']?>,
                color: "#FF0F00"
            }];
			<?
			}
			?>
            AmCharts.ready(function () {
                // SERIAL CHART
                chart = new AmCharts.AmSerialChart();
                chart.dataProvider = chartData;
                chart.categoryField = "country";
                // the following two lines makes chart 3D
                chart.depth3D = 20;
                chart.angle = 30;

                // AXES
                // category
                var categoryAxis = chart.categoryAxis;
                categoryAxis.labelRotation = 90;
                categoryAxis.dashLength = 5;
                categoryAxis.gridPosition = "start";

                // value
                var valueAxis = new AmCharts.ValueAxis();
                valueAxis.title = "Visitors";
                valueAxis.dashLength = 5;
                chart.addValueAxis(valueAxis);

                // GRAPH            
                var graph = new AmCharts.AmGraph();
                graph.valueField = "visits";
                graph.colorField = "color";
                graph.balloonText = "[[category]]: [[value]]";
                graph.type = "column";
                graph.lineAlpha = 0;
                graph.fillAlphas = 1;
                chart.addGraph(graph);

                // WRITE
                chart.write("chartdiv");
            });
        </script>
		
		<div id="chartdiv" style="width: 100%; height: 400px;"></div>