鼠标拖动DIV

<div id=MoveDiv style="position:absolute;left:362px;top:158px;width:100;height:300;background:blue">
 <div style=position:absolute;left:0;top:0;width:100;height:20;background:red onmousedown=MDown(MoveDiv)>
 按这里移动
 </div>
</div>

<script>
var Obj=''
document.onmouseup=MUp
document.onmousemove=MMove

function MDown(Object){
Obj=Object.id
document.all(Obj).setCapture()
pX=event.x-document.all(Obj).style.pixelLeft;
pY=event.y-document.all(Obj).style.pixelTop;
}

function MMove(){
if(Obj!=''){
 document.all(Obj).style.left=event.x-pX;
 document.all(Obj).style.top=event.y-pY;
 }
}

function MUp(){
if(Obj!=''){
 document.all(Obj).releaseCapture();
 Obj='';
 }
}
</script>