/*
 * jQuery Cycle Plugin Transition Definitions
 * This script is a plugin for the jQuery Cycle Plugin
 * Examples and documentation at: http://malsup.com/jquery/cycle/
 * Copyright (c) 2007-2008 M. Alsup
 * Version:  2.20
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 */
(function($) {

//
// These functions define one-time slide initialization for the named
// transitions. To save file size feel free to remove any of these that you 
// don't need.
//

// shuffle
$.fn.cycle.transitions.shuffle = function($cont, $slides, opts) {
    var w = $cont.css('overflow', 'visible').width();
    $slides.css({left: 0, top: 0});
    opts.before.push(function() { $(this).show() });
    opts.speed = opts.speed / 2; // shuffle has 2 transitions        
    opts.random = 0;
    opts.shuffle = opts.shuffle || {left:-w, top:15};
    opts.els = [];
    for (var i=0; i < $slides.length; i++)
        opts.els.push($slides[i]);

    for (var i=0; i < opts.startingSlide; i++)
        opts.els.push(opts.els.shift());

    // custom transition fn (hat tip to Benjamin Sterling for this bit of sweetness!)
    opts.fxFn = function(curr, next, opts, cb, fwd) {
        var $el = fwd ? $(curr) : $(next);
        $el.animate(opts.shuffle, opts.speedIn, opts.easeIn, function() {
            fwd ? opts.els.push(opts.els.shift()) : opts.els.unshift(opts.els.pop());
            if (fwd) 
                for (var i=0, len=opts.els.length; i < len; i++)
                    $(opts.els[i]).css('z-index', len-i);
            else {
                var z = $(curr).css('z-index');
                $el.css('z-index', parseInt(z)+1);
            }
            $el.animate({left:0, top:0}, opts.speedOut, opts.easeOut, function() {
                $(fwd ? this : curr).hide();
                if (cb) cb();
            });
        });
    };
};

})(jQuery);