http://stackoverflow.com/questions/725998/are-there-firefox-extension-or-any-other-browser-that-allow-to-send-arbitrary-p

This needs comes up when you cannot test build HTTP GET or POST request requiring special request headers like content type = application/json;

See this A List Apart post - Clickable Region Fix - about this

http://www.alistapart.com/articles/slidingdoors2/

This happens when the script code is not correct , or if the script code is a JSON string then the string may not be well formed.

I could not select Dom elements with ID having dot character in them. Quick google search gave me this Stack overflow post, which solved my problem.

http://stackoverflow.com/questions/605630/how-to-select-html-nodes-by-id-with-jquery-when-the-id-contains-a-dot

http://jscrollpane.kelvinluck.com/

If you need to customize how scroll bars looks for your div, and to customize the behavior , this is the right plugin to use.

I tried it with Firefox, Chrome, IE, works well.