browser showing progress bar as still progressing

问题:

I have a spring based web application.

The flow of the request is:

jsp -> interceptor chain -> processor -> service -> dao -> database

and back.

Javascript is also used in JSP.

Scenario:

A list of clickable products is shown. On clicking any product, the details of the product are fetched and displayed on tabs on the same page. (Javascript Tabber)

On clicking any other product, details of the new product will be fetched and displayed.

However, even though all the details are loaded completely, the progress bar still shows progressing.

Accepted answer in browser showing half progress bar even after page is fully rendered shows that it is because of some control. But how to figure that out.

How to get to the base of this issue ? Pin pointing to a line or block of code if you say ?

I am using Internet Explorer and CAN NOT use firebug, etc. as working in restricted environment.

How to solve this with IE ?

Also could anyone please explain/elaborate the answer in the other question. It does not help at all for javascript newbies like me.

Thanks for reading.