//可拖动的div的javascript代码
var move=false; 
    function StartDrag(obj)                       
    {
    if(event.button==1&&event.srcElement.tagName.toUpperCase()=="DIV")
    {
       obj.setCapture();
       obj.style.background="#8080FF";
       move=true;
       } 
    }

    function Drag(obj)                   
    {
        if(move)
        {
           var oldwin=obj.parentNode;
           oldwin.style.left=event.clientX-50;
           oldwin.style.top=event.clientY-10;
        }

    }

    function StopDrag(obj)
    {
       obj.style.background="mediumslateblue";
       obj.releaseCapture();
       move=false;
    } 
    function closediv(obj){
    obj.style.display="none";
    }
    function opendiv(obj){
    obj.style.display="";
    }
    //可拖动的div
html中要拖动的DIV
div id="win1" style="display: none; font-size: 12pt; z-index: 109; left: 232px;
            width: 400px; position: absolute; top: 82px; height: 320px">
            <div class="title" onMousedown="StartDrag(this)" onMouseup="StopDrag(this)" onMousemove="Drag(this)" style="background-color: mediumslateblue;"><img src="../css/skin1/closed.gif" onclick="Hidadddiv();" />
            </div>
            <div style="overflow:scroll;">
              这里面如果有textarea对象 就会报错......
        </div>