Gridly is a jQuery plugin ,it enable dragging and dropping as well as resizing on a grids.

Installation

To install download one of these packages and include the jquery.gridly.js and jquery.gridly.css files in your head with the following:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.2/jquery.min.js" type="text/javascript"></script>
<script src="javascript/jquery.gridly.js" type="text/javascript"></script>
<link href="stylesheets/jquery.gridly.css" rel="stylesheet" type="text/css" />

Example

Setting up a gridly is easy. The following snippet is a good start:

<style type="text/css">
  .gridly
  {
    position: relative;
    width: 960px;
  }
  .brick.small
  {
    width: 60px;
    height: 60px;
  }
  .brick.large
  {
    width: 120px;
    height: 120px;
  }
</style>
<div class="gridly">
  <div class="brick small"></div>
  <div class="brick small"></div>
  <div class="brick large"></div>
  <div class="brick small"></div>
  <div class="brick small"></div>
  <div class="brick large"></div>
</div>
<script>
  $('.gridly').gridly();
</script>

The article source:http://ksylvest.github.io/jquery-gridly/