/**
*    Morph gallery for jQuery 
*    Copyright (C) 2008 Ziadin Givan www.CodeAssembly.com  
*
*    This program is free software: you can redistribute it and/or modify
*    it under the terms of the GNU Lesser General Public License as published by
*    the Free Software Foundation, either version 3 of the License, or
*    (at your option) any later version.
*
*    This program is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU General Public License for more details.
*
*    You should have received a copy of the GNU Lesser General Public License
*    along with this program.  If not, see http://www.gnu.org/licenses/
*    
*    Examples 
*	 $(".jmorph").jmorphGallery();
*/
jQuery.fn.jmorphGallery = function(settings) 
{
	return this.each(function()
	{
		
		settings = jQuery.extend(
		{
			timeout: 1000,
			interval: 5000
		}, settings);

		var parent = $(this);
		var images = new Array;
		var preloadImage = new Image();

		//get all images
		$(".band li a", parent).each(function(i)
		{
			images.push($(this).attr('href'));
		});
		
		var currentImageNr = 0;
		
		//load first image
		preloadImage.src = images[currentImageNr];
		$(preloadImage).bind('load',function ()
		{
			$('.nextImg',parent).css('background-image','url(' + images[currentImageNr] + ')').width(preloadImage.width).height(preloadImage.height).css('opacity','0');
			$('.currentImg',parent).animate({width:preloadImage.width,height:preloadImage.height}, settings.timeout, function(e) 
			    {
				    $('.currentImg',parent).css('background-image','url(' + images[currentImageNr] + ')');
				    $('.nextImg',parent).css('opacity','1');
				    window.setTimeout(loadImage, settings.interval);
			    });
			$('.nextImg',parent).animate({opacity:'1'}, settings.timeout);
		});
		
		function loadImage()
		{	
			currentImageNr >= images.length - 1 ? currentImageNr = 0 : currentImageNr++;
			preloadImage.src = images[currentImageNr];
		}		
	});
};