/*
 * jQuery UI Effects Blind 1.8.2
 *
 * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Effects/Blind
 *
 * Depends:
 *	jquery.effects.core.js
 */
(function($) {

    $.effects.blind = function(o) {

        if (this.queue.length > 2) { alert("more then two"); }

        return this.queue(function() {

            // Create element
            var el = $(this), props = ['position', 'top', 'left'];

            // Set options
            var mode = $.effects.setMode(el, o.options.mode || 'hide'); // Set Mode
            var direction = o.options.direction || 'vertical'; // Default direction

            // Adjust
            $.effects.save(el, props); el.show(); // Save & Show
            var wrapper = $.effects.createWrapper(el).css({ overflow: 'hidden' }); // Create Wrapper
            var ref = (direction == 'vertical') ? 'height' : 'width';
            var distance = (direction == 'vertical') ? wrapper.height() : wrapper.width();
            if (mode == 'show') wrapper.css(ref, 0); // Shift

            // Animation
            var animation = {};
            animation[ref] = mode == 'show' ? distance : 0;

            // Animate
            wrapper.animate(animation, o.duration, o.options.easing, function() {
                if (mode == 'hide') el.hide(); // Hide
                $.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
                if (o.callback) o.callback.apply(el[0], arguments); // Callback
                el.dequeue();
            });

        });

    };

})(jQuery);