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40 aurelien 1
/*
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 * jQuery UI Effects Clip 1.8.5
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 *
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 * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
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 * Dual licensed under the MIT or GPL Version 2 licenses.
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 * http://jquery.org/license
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 *
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 * http://docs.jquery.com/UI/Effects/Clip
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 *
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 * Depends:
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 *	jquery.effects.core.js
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 */
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(function( $, undefined ) {
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$.effects.clip = function(o) {
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	return this.queue(function() {
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		// Create element
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		var el = $(this), props = ['position','top','left','height','width'];
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		// Set options
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		var mode = $.effects.setMode(el, o.options.mode || 'hide'); // Set Mode
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		var direction = o.options.direction || 'vertical'; // Default direction
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		// Adjust
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		$.effects.save(el, props); el.show(); // Save & Show
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		var wrapper = $.effects.createWrapper(el).css({overflow:'hidden'}); // Create Wrapper
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		var animate = el[0].tagName == 'IMG' ? wrapper : el;
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		var ref = {
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			size: (direction == 'vertical') ? 'height' : 'width',
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			position: (direction == 'vertical') ? 'top' : 'left'
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		};
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		var distance = (direction == 'vertical') ? animate.height() : animate.width();
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		if(mode == 'show') { animate.css(ref.size, 0); animate.css(ref.position, distance / 2); } // Shift
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		// Animation
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		var animation = {};
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		animation[ref.size] = mode == 'show' ? distance : 0;
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		animation[ref.position] = mode == 'show' ? 0 : distance / 2;
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		// Animate
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		animate.animate(animation, { queue: false, duration: o.duration, easing: o.options.easing, complete: function() {
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			if(mode == 'hide') el.hide(); // Hide
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			$.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
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			if(o.callback) o.callback.apply(el[0], arguments); // Callback
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			el.dequeue();
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		}});
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	});
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};
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})(jQuery);