Uploadify is a JQuery plugin that integrates a fully-customizable multiple file upload utility on your website. It uses a mixture of Javascript, ActionScript, and any server-side language to dynamically create an instance over any DOM element on a page.



Uploadify

Features
  • jQuery Implementation
  • Multiple File Upload Capabilities
  • SWFObject Integration
  • Compatibility with Popular Server-Side Languages
  • Highly-Customizable
  • Large Support Community
  • Extensive Documentation with Examples


Check it out 
JSFIDDLE !!


Online Editor for the Web (JavaScript, MooTools, jQuery, Prototype, YUI, Glow and Dojo, HTML, CSS)

You can have the JQuery Intellisense following this steps:

 

  1. Download from the JQuery site the file jquery-1.4.1-vsdoc.js, search for the Visual Studio link near the release link
  2. Add the file to your project
  3. Change your js file and add to the top of the file:

Reference :http://devcoma.blogspot.com/2010/08/how-to-add-jquery-intellisense-to-js.html