reveal.js

/**
 * Copyright (C) 2011 Hakim El Hattab, http://hakim.se
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * 
 * #############################################################################
 * 
 *
 * Reveal.js is an easy to use HTML based slideshow enhanced by 
 * sexy CSS 3D transforms.
 * 
 * Slides are given unique hash based URL's so that they can be 
 * opened directly.
 * 
 * Public facing methods:
 * - Reveal.initialize( { ... options ... } );
 * - Reveal.navigateTo( indexh, indexv );
 * - Reveal.navigateLeft();
 * - Reveal.navigateRight();
 * - Reveal.navigateUp();
 * - Reveal.navigateDown();
 * 
 * 
 * version 0.1:
 * - First release
 * 
 * version 0.2:		
 * - Refactored code and added inline documentation
 * - Slides now have unique URL's
 * - A basic API to invoke navigation was added
 * 
 * version 0.3:		
 * - Added licensing terms
 * - Fixed broken links on touch devices
 * 
 * version 1.0:
 * - Added controls
 * - Added initialization options
 * - Reveal views in fragments
 * - Revamped, darker, theme
 * - Tweaked markup styles (a, em, strong, b, i, blockquote, q, pre, ul, ol)
 * - Support for themes at initialization (default/linear/concave)
 * - Code highlighting via highlight.js
 * 
 * version 1.1:
 * - Optional progress bar UI element
 * 
 * TODO:
 * - Touch/swipe interactions
 * - Presentation overview via keyboard shortcut
 * 	
 * @author Hakim El Hattab | http://hakim.se
 * @version 1.1