/**
 * jquery.imagecrop.js v0.1
 * jQuery Image Cropping Plugin
 * @author Sander Falise (http://www.falise.com)
 * Copyright (c) 2009 Sander Falise - released under MIT License {{{
 *
 * 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.

 * }}}
 * 
 * Usage: 
 * $('img').imagecrop(100);
 * $('img').imagecrop(100, 50);
 * $('img').imagecrop(100, 50, 'img/transparent.gif'); 
 * 
 * Selector should always point to an image.
 * If your transparent image is not img/transparent.gif, specify it's url as the third param.
 * This plugin tries to change as little as possible in your html code.
 * 
 * Tested in Firefox 3, Internet Explorer 8, Safari 3.2, Songbird 1.1, 
 *         
 */

jQuery.fn.imagecrop = function(width, height, transparent) 
{
	if (!height) height = width;
	if (!transparent) transparent = 'img/transparent.gif';
				
	return this.each(function() 
  {
		var img = jQuery(this);		
		img.css({'background' : 'transparent url(' + img.attr('src') + ') no-repeat 50% 50%'});
    img.attr({'src' : transparent, 'width' : width, 'height': height}); 
    return img;
	});
};