<html>
<head>
<title>月影</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<style>
body {margin:0px;padding:0px;font-size:12px;text-align:center;}
body > div {text-align:center; margin-right:auto; margin-left:auto;}
.content{width:900px;}
.content .left{
        float:left;
        width:20%;
        border:1px solid #FF0000;
        margin:3px;
}
.content .center{float:left;border:1px solid #FF0000;margin:3px;width:57%}
.content .right{float:right;width:20%;border:1px solid #FF0000;margin:3px}
.mo{height:auto;border:1px solid #CCC;margin:3px;background:#FFF}
.mo h1{background:#ECF9FF;height:18px;padding:3px;cursor:move}
.mo .nr{height:80px;border:1px solid #F3F3F3;margin:2px}
h1{margin:0px;padding:0px;text-align:left;font-size:12px}
</style>
<script>
var dragobj={}
window.onerror=function(){return false}
function on_ini(){
        String.prototype.inc=function(s){return this.indexOf(s)>-1?true:false}
        var agent=navigator.userAgent
        window.isOpr=agent.inc("Opera")
        window.isIE=agent.inc("IE")&&!isOpr
        window.isMoz=agent.inc("Mozilla")&&!isOpr&&!isIE
        if(isMoz){
                Event.prototype.__defineGetter__("x",function(){return this.clientX+2})
                Event.prototype.__defineGetter__("y",function(){return this.clientY+2})
        }
        basic_ini()
}
function basic_ini(){
        window.$=function(obj){return typeof(obj)=="string"?document.getElementById(obj):obj}
        window.oDel=function(obj){if($(obj)!=null){$(obj).parentNode.removeChild($(obj))}}
}
window.onload=function(){
        on_ini()
        var o=document.getElementsByTagName("h1")
        for(var i=0;i<o.length;i++){
                o[i].onmousedown=function(e){
                        if(dragobj.o!=null)
                                return false
                        e=e||event
                        dragobj.o=this.parentNode
                        dragobj.xy=getxy(dragobj.o)
                        dragobj.xx=new Array((e.x-dragobj.xy[1]),(e.y-dragobj.xy[0]))
                        dragobj.o.style.width=dragobj.xy[2]+"px"
                        dragobj.o.style.height=dragobj.xy[3]+"px"
                        dragobj.o.style.left=(e.x-dragobj.xx[0])+"px"
                        dragobj.o.style.top=(e.y-dragobj.xx[1])+"px"
                        dragobj.o.style.position="absolute"
                        var om=document.createElement("div")
                        dragobj.otemp=om
                        om.style.width=dragobj.xy[2]+"px"
                        om.style.height=dragobj.xy[3]+"px"
                        dragobj.o.parentNode.insertBefore(om,dragobj.o)
                        return false
                }
        }
}
document.onselectstart=function(){return false}
window.onfocus=function(){document.onmouseup()}
window.onblur=function(){document.onmouseup()}
document.onmouseup=function(){
        if(dragobj.o!=null){
                dragobj.o.style.width="auto"
                dragobj.o.style.height="auto"
                dragobj.otemp.parentNode.insertBefore(dragobj.o,dragobj.otemp)
                dragobj.o.style.position=""
                oDel(dragobj.otemp)
                dragobj={}
        }
}
document.onmousemove=function(e){
        e=e||event
        if(dragobj.o!=null){
                dragobj.o.style.left=(e.x-dragobj.xx[0])+"px"
                dragobj.o.style.top=(e.y-dragobj.xx[1])+"px"
                createtmpl(e)
        }
}
function getxy(e){
        var a=new Array()
        var t=e.offsetTop;
        var l=e.offsetLeft;
        var w=e.offsetWidth;
        var h=e.offsetHeight;
        while(e=e.offsetParent){
                t+=e.offsetTop;
                l+=e.offsetLeft;
        }
        a[0]=t;a[1]=l;a[2]=w;a[3]=h
  return a;
}
function inner(o,e){
        var a=getxy(o)
        if(e.x>a[1]&&e.x<(a[1]+a[2])&&e.y>a[0]&&e.y<(a[0]+a[3])){
                if(e.y<(a[0]+a[3]/2))
                        return 1;
                else
                        return 2;
        }else
                return 0;
}
function createtmpl(e){
        for(var i=0;i<12;i++){
                if($("m"+i)==dragobj.o)
                        continue
                var b=inner($("m"+i),e)
                if(b==0)
                        continue
                dragobj.otemp.style.width=$("m"+i).offsetWidth
                if(b==1){
                        $("m"+i).parentNode.insertBefore(dragobj.otemp,$("m"+i))
                }else{
                        if($("m"+i).nextSibling==null){
                                $("m"+i).parentNode.appendChild(dragobj.otemp)
                        }else{
                                $("m"+i).parentNode.insertBefore(dragobj.otemp,$("m"+i).nextSibling)
                        }
                }
                return
        }
        for(var j=0;j<3;j++){
                if($("dom"+j).innerHTML.inc("div")||$("dom"+j).innerHTML.inc("DIV"))
                        continue
                var op=getxy($("dom"+j))
                if(e.x>(op[1]+10)&&e.x<(op[1]+op[2]-10)){
                        $("dom"+j).appendChild(dragobj.otemp)
                        dragobj.otemp.style.width=(op[2]-10)+"px"
                }
        }
}
</script>
</head>
<body>
<div>
        <div id=dom0>
                <div id=m0>
                        <h1>dom0</h1>
                        <div></div>
                </div>
                <div id=m1>
                        <h1>dom1</h1><div></div>
                </div>
                <div id=m2><h1>dom2</h1><div></div></div>
                <div id=m3><h1>dom3</h1><div></div></div>
        </div>
        <div id=dom1>
                <div id=m4><h1>dom4</h1><div></div></div>
                <div id=m5><h1>dom5</h1><div></div></div>
                <div id=m6><h1>dom6</h1><div></div></div>
                <div id=m7><h1>dom7</h1><div></div></div>
        </div>
        <div id=dom2>
                <div id=m8><h1>dom8</h1><div></div></div>
                <div id=m9><h1>dom9</h1><div></div></div>
                <div id=m10><h1>dom10</h1><div></div></div>
                <div id=m11><h1>dom11</h1><div></div></div>
        </div>
</div>
</body>
</html>

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