ParseQuery Download Site: http://plugins.jquery.com/project/parseQuery
And thats it. Now you have your QueryString in a tightly wrapped object. You may have to test whether a particular property exists on the created object (i.e. Make sure what your expecting is provided in the object):
It is important to note, this component was not developed on the latest release of JQuery. I have tested its use in JQuery 1.4.2 – no issues found.