JS implementation div In the page drag effect _javascript skills

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<style type= "Text/css" > Body {margin:0px;} #div1 {display:none;
 Position:absolute;
 z-index:1000;
 height:100%;
 width:100%;
 Background: #000000;
Filter:alpha (opacity=30);
 } #div2 {display:none;
 Position:absolute;
 height:100%;
 width:100%;
 padding-top:10%;
z-index:1001;
 } #div3 {display:block;
 Position:absolute;
z-index:999;
} </style> <script type= "Text/javascript" >//Define Move objects and move coordinates var mouse_obj= "none", _x,_y; Drag object function (Auto) document.onmousemove=function () {if (mouse_obj!== "None") {document.getElementById (mouse_obj).
 Style.left=_x+event.x;
 document.getElementById (mouse_obj). Style.top=_y+event.y;
 Event.returnvalue=false;
 Stop the Drag function (Auto) document.onmouseup=function () {mouse_obj= "none";}//Make sure the dragged Object function O is the dragged object functions M (o) {mouse_obj=o;
 _x=parseint (document.getElementById (mouse_obj). Style.left)-event.x;
_y=parseint (document.getElementById (mouse_obj). style.top)-event.y; } </script> <div id= "Div1" ></div> <div ID= "Div2" onmousedown= "m (this.id)" style= "left:0px;top:0px;"
> <table width= "50%" border= "0" cellpadding= "3" cellspacing= "1" style= "background: #ff7300; Position:static;filter:progid:dximagetransform.microsoft.dropshadow (color= #666666, offx=4,offy=4,positives=true "align=" left "> <tr style=" cursor:move; > <td><font color= "#FFFFFF" > Warm tips:</font></td> <td align= "right" ><input type= " Button "value=" x "onclick=" document.getElementById (' Div1 '). style.display= ' None ';d ocument.getelementbyid (' Div2 '). Style.display= ' None '; "style=" Cursor:hand; " ></td> </tr> <tr> <td colspan= "2" width= "100%" bgcolor= "#FFFFFF" "height=" align= "" Middle "&G" t; Welcome to <a href= "http://www.jb51.net" >http://www.jb51.net</a></td> </tr> </table> < /div> <div id= "Div3" ><input type= "button" value= "Open layer" onclick= "document.getElementById (' Div1 '). style.display= ' block ';d ocument.getelementbyid (' Div2 '). Style.display= ' block ';

 ></div>

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