Phonalisa is using jQuery-contextMenu as a library.

/*!
 * jQuery contextMenu - Plugin for simple contextMenu handling
 *
 * Version: git-master
 *
 * Authors: Rodney Rehm, Addy Osmani (patches for FF)
 * Web: http://medialize.github.com/jQuery-contextMenu/
 *
 * Licensed under
 *   MIT License http://www.opensource.org/licenses/mit-license
 *   GPL v3 http://opensource.org/licenses/GPL-3.0
 *
 */