Vineet, My copy of jQuery.query.js is attached - I'm assuming since it's released under the WTFPL the author won't mind :D
You may also want to look at these: http://stackoverflow.com/questions/2053157/how-to-use-jquery-to-manipulate-the-querystring http://stackoverflow.com/questions/4344405/jquery-url-builder-parser http://stackoverflow.com/questions/1090948/change-url-parameters-with-jquery Brian
jquery.query.js
Description: JavaScript source
