/*!

 * jQuery UI Effects Pulsate 1.10.3

 * http://jqueryui.com

 *

 * Copyright 2013 jQuery Foundation and other contributors

 * Released under the MIT license.

 * http://jquery.org/license

 *

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

 *

 * Depends:

 *	jquery.ui.effect.js

 */

(function( $, undefined ) {

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

	var elem = $( this ),

		mode = $.effects.setMode( elem, o.mode || "show" ),

		show = mode === "show",

		hide = mode === "hide",

		showhide = ( show || mode === "hide" ),

		// showing or hiding leaves of the "last" animation

		anims = ( ( o.times || 5 ) * 2 ) + ( showhide ? 1 : 0 ),

		duration = o.duration / anims,

		animateTo = 0,

		queue = elem.queue(),

		queuelen = queue.length,

		i;

	if ( show || !elem.is(":visible")) {

		elem.css( "opacity", 0 ).show();

		animateTo = 1;

	}

	// anims - 1 opacity "toggles"

	for ( i = 1; i < anims; i++ ) {

		elem.animate({

			opacity: animateTo

		}, duration, o.easing );

		animateTo = 1 - animateTo;

	}

	elem.animate({

		opacity: animateTo

	}, duration, o.easing);

	elem.queue(function() {

		if ( hide ) {

			elem.hide();

		}

		done();

	});

	// We just queued up "anims" animations, we need to put them next in the queue

	if ( queuelen > 1 ) {

		queue.splice.apply( queue,

			[ 1, 0 ].concat( queue.splice( queuelen, anims + 1 ) ) );

	}

	elem.dequeue();

};

})(jQuery);