<!--实现层移动-->
 
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='';
  }
}