<html>
<head>
<style type='text/css'>
#d{
border:1px solid green;
90px;
height:60px;
background-color:#EEEEFF;
position:absolute;
}
#info{
border:1px solid blue;
900px;
height:600px;
}
</style>
</head>
<script src="js/jquery.min.js" language="javascript"></script>
<body>
<div id='d'>foidsajfd</div>
</body>
<script type='text/javascript'>
var global_MOUSEDOWN=false;
var box=$('<div />');
box.css({display:'none',position:'absolute',border:'1px dotted red'});
box.appendTo('body');
box.html("aaa");
var _x,_y;
$('#d').mousedown(function(event){
global_MOUSEDOWN=true;
var offset=$('#d').offset();
_x=event.pageX-offset.left;
_y=event.pageY-offset.top;
box.width($(this).width());
box.height($(this).height());
box.css({left:event.pageX-_x,top:event.pageY-_y});
box.show();
});
$(document).mousemove(function(event){
if(global_MOUSEDOWN){
box.css({left:event.pageX-_x,top:event.pageY-_y});
}
}).mouseup(function(event){
if(global_MOUSEDOWN){
$('#d').animate({left:box.offset().left,top:box.offset().top},1000);
box.hide();
}
global_MOUSEDOWN=false;
});;
</script>
</html>