鼠标在图片上移动的时候，怎么获得当前鼠标的位置？--在线等待

<html>
<head>
<title></title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="JnKc">
<meta name="Keywords" content="">
</head>
<body>
<script language="JavaScript">
<!--
function OnImageMouseOver()
{
var nMouseX,nMouseY;
var nImgX,nImgY; nMouseX = event.clientX;
nMouseY = event.clientY;
nImgX = event.offsetX;
nImgY = event.offsetY; window.status = "窗内坐标：" + nMouseX + "," + nMouseY + "，图上坐标：" + nImgX + "," + nImgY;
}
//-->
</script>
</head>
<body>
<img src="fetedoor.jpg" width="727" height="577" border="0" OnMouseMove="OnImageMouseOver()">
</body>
</html>