drag me-> <-drag me
源代码：
<script type="text/javascript">...var xOffset,yOffset;function dragStart()...{ var obj=event.srcElement; obj.style.position="absolute"; obj.setCapture(); xOffset=event.x-obj.offsetLeft; yOffset=event.y-obj.offsetTop;}function doDrag()...{ event.srcElement.style.left=event.x-xOffset; event.srcElement.style.top =event.y-yOffset;}function dragEnd()...{ event.srcElement.style.cursor="default"; event.srcElement.releas