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* jQuery UI Effects Bounce 1.7.1
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* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
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* Dual licensed under the MIT (MIT-LICENSE.txt)
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* and GPL (GPL-LICENSE.txt) licenses.
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* http://docs.jquery.com/UI/Effects/Bounce
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$.effects.bounce = function(o) {
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return this.queue(function() {
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var el = $(this), props = ['position','top','left'];
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var mode = $.effects.setMode(el, o.options.mode || 'effect'); // Set Mode
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var direction = o.options.direction || 'up'; // Default direction
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var distance = o.options.distance || 20; // Default distance
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var times = o.options.times || 5; // Default # of times
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var speed = o.duration || 250; // Default speed per bounce
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if (/show|hide/.test(mode)) props.push('opacity'); // Avoid touching opacity to prevent clearType and PNG issues in IE
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$.effects.save(el, props); el.show(); // Save & Show
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$.effects.createWrapper(el); // Create Wrapper
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var ref = (direction == 'up' || direction == 'down') ? 'top' : 'left';
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var motion = (direction == 'up' || direction == 'left') ? 'pos' : 'neg';
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var distance = o.options.distance || (ref == 'top' ? el.outerHeight({margin:true}) / 3 : el.outerWidth({margin:true}) / 3);
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if (mode == 'show') el.css('opacity', 0).css(ref, motion == 'pos' ? -distance : distance); // Shift
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if (mode == 'hide') distance = distance / (times * 2);
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if (mode != 'hide') times--;
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if (mode == 'show') { // Show Bounce
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var animation = {opacity: 1};
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animation[ref] = (motion == 'pos' ? '+=' : '-=') + distance;
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el.animate(animation, speed / 2, o.options.easing);
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distance = distance / 2;
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for (var i = 0; i < times; i++) { // Bounces
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var animation1 = {}, animation2 = {};
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animation1[ref] = (motion == 'pos' ? '-=' : '+=') + distance;
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animation2[ref] = (motion == 'pos' ? '+=' : '-=') + distance;
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el.animate(animation1, speed / 2, o.options.easing).animate(animation2, speed / 2, o.options.easing);
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distance = (mode == 'hide') ? distance * 2 : distance / 2;
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if (mode == 'hide') { // Last Bounce
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var animation = {opacity: 0};
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animation[ref] = (motion == 'pos' ? '-=' : '+=') + distance;
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el.animate(animation, speed / 2, o.options.easing, function(){
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$.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
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if(o.callback) o.callback.apply(this, arguments); // Callback
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var animation1 = {}, animation2 = {};
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animation1[ref] = (motion == 'pos' ? '-=' : '+=') + distance;
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animation2[ref] = (motion == 'pos' ? '+=' : '-=') + distance;
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el.animate(animation1, speed / 2, o.options.easing).animate(animation2, speed / 2, o.options.easing, function(){
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$.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
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if(o.callback) o.callback.apply(this, arguments); // Callback
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el.queue('fx', function() { el.dequeue(); });