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<html>
 <head><title>js¿ÉÒÆ¶¯´°¿ÚµÄÉè¼Æ</title>
<script  language="javascript">
var x0=0,y0=0,x1=0,y1=0;//³õʼ»¯È«¾Ö±äÁ¿
var offx=6,offy=6;
var moveable=false;
var hover='orange';//color;
var index=10000;//z-index;
//¹Ø±Õ´°¿Ú
function closeWin(id)
{  
 document.getElementById(id).style.display=document.getElementById(id).style.display=="none"?"block":"none";
}
//µã»÷Êó±êÓÒ¼ü×¼±¸¿ªÊ¼Í϶¯´°¿Ú
function startDrag(obj)
{
 if(event.button==1) {  
  obj.setCapture();//ÉèÖÃÊó±ê²¶»ñµÄ¶ÔÏóΪµ±Ç°¶ÔÏ󣬼òµ¥Ëµ¾ÍÊÇ»ñµÃÊó±êÍ϶¯
  var win = obj;  
  
  x0 = event.clientX;//¼Ç¼µã»÷Êó±êÓÒ¼üµÄÊó±ê×ø±ê
  y0 = event.clientY;
  
  x1 = parseInt(win.style.left);//¼Ç¼¿ò¼ÜµÄ³õʼλÖ×—Êó±ê×ø±ê
  y1 = parseInt(win.style.top);
  
  normal = obj.style.backgroundColor;  
  win.style.backgroundColor = hover;
  moveable = true;
 }
}
//¿ªÊ¼Í϶¯´°¿Ú
function drag(obj)
{
 if(moveable)
 {  
  var win = obj;  
  win.style.left = x1 + event.clientX - x0;//½øÐÐ×ø±êÔËËã²¢¿ØÖÆÑùʽµÄleftÓëtopÊôÐÔ
  win.style.top = y1 + event.clientY - y0;
  document.getElementById("xy").innerHTML = (x1 + event.clientX - x0)+","+(y1 + event.clientY - y0);//ÏÔʾÊó±êµÄ×ø±ê 
  
 }
}
//Í£Ö¹Í϶¯
function stopDrag(obj)

 var win = obj; 
 win.style.borderColor = normal;
 obj.style.backgroundColor = normal;  
 obj.releaseCapture();//´Óµ±Ç°¶ÔÏóÖÐÊÍ·ÅÊó±ê²¶»ñµÄ¶ÔÏ󣬼òµ¥Ëµ¾ÍÊÇÊó±êµÄÊÍ·Å
 moveable = false;
}
</script>
<style>
.helpdiv {
 display: block;
 border: 1px dashed #749F4d;
 background-color: #F0FAEB;
 width: 500px;
 padding: 5px;
 position: absolute;   
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