鼠标拖动

代码很简单：
<div id="divMove" style="POSITION: absolute;left:300;top:300" onselectstart="return false" onmousedown="MouseDown(this)" onmousemove="MouseMove()"><table width="150" cellpadding="0" cellspacing="0" border="1"><tr><td height="30" bgcolor="#cccccc">title</td></tr><tr><td height="100"><p align="center">testMove</p></td></tr></table></div><SCRIPT LANGUAGE="JavaScript"><!--var currentMoveObj = null;var relLeft,relTop;function MouseDown(obj){currentMoveObj = obj;currentMoveObj.style.position = "absolute";relLeft = event.x - currentMoveObj.style.pixelLeft;relTop = event.y - currentMoveObj.style.pixelTop;}window.document.onmouseup = function(){currentMoveObj = null;}function MouseMove(){if(currentMoveObj != null){currentMoveObj.style.pixelLeft=event.x-relLeft;currentMoveObj.style.pixelTop=event.y-relTop;}}//--></SCRIPT>