closeModule API assists you to dynamically close a module (like Chatrooms, Facebook Fan Page etc.). closeModule API will minimize an open module in standard theme and closes module’s lightbox in Hangout, Facebook and Lite themes.

API:

jqcc.cometchat.closeModule('ModuleName');

Sample:

<a href="javascript:void(0)" onclick="javascript:jqcc.cometchat.closeModule('chatrooms');">Close Chatrooms</a>