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/*!

 * jQuery UI Effects Fold 1.10.2

 * http://jqueryui.com

 *

 * Copyright 2013 jQuery Foundation and other contributors

 * Released under the MIT license.

 * http://jquery.org/license

 *

 * http://api.jqueryui.com/fold-effect/

 *

 * Depends:

 *        jquery.ui.effect.js

 */

(function( $, undefined ) {

$.effects.effect.fold = function( o, done ) {

        // Create element

        var el = $( this ),

                props = [ "position", "top", "bottom", "left", "right", "height", "width" ],

                mode = $.effects.setMode( el, o.mode || "hide" ),

                show = mode === "show",

                hide = mode === "hide",

                size = o.size || 15,

                percent = /([0-9]+)%/.exec( size ),

                horizFirst = !!o.horizFirst,

                widthFirst = show !== horizFirst,

                ref = widthFirst ? [ "width", "height" ] : [ "height", "width" ],

                duration = o.duration / 2,

                wrapper, distance,

                animation1 = {},

                animation2 = {};

        $.effects.save( el, props );

        el.show();

        // Create Wrapper

        wrapper = $.effects.createWrapper( el ).css({

                overflow: "hidden"

        });

        distance = widthFirst ?

                [ wrapper.width(), wrapper.height() ] :

                [ wrapper.height(), wrapper.width() ];

        if ( percent ) {

                size = parseInt( percent[ 1 ], 10 ) / 100 * distance[ hide ? 0 : 1 ];

        }

        if ( show ) {

                wrapper.css( horizFirst ? {

                        height: 0,

                        width: size

                } : {

                        height: size,

                        width: 0

                });

        }

        // Animation

        animation1[ ref[ 0 ] ] = show ? distance[ 0 ] : size;

        animation2[ ref[ 1 ] ] = show ? distance[ 1 ] : 0;

        // Animate

        wrapper

                .animate( animation1, duration, o.easing )

                .animate( animation2, duration, o.easing, function() {

                        if ( hide ) {

                                el.hide();

                        }

                        $.effects.restore( el, props );

                        $.effects.removeWrapper( el );

                        done();

                });

};

})(jQuery);