/**

 * Interface Elements for jQuery

 * FX - bounce

 * 

 * http://interface.eyecon.ro

 * 

 * Copyright (c) 2006 Stefan Petre

 * Dual licensed under the MIT (MIT-LICENSE.txt) 

 * and GPL (GPL-LICENSE.txt) licenses.

 *   

 *

 */

/**

 * @name Bounce

 * @description makes the element to bounce

 * @param Integer hight the hight in pxels for element to jumps to

 * @param Function callback (optional) A function to be executed whenever the animation completes.

 * @type jQuery

 * @cat Plugins/Interface

 * @author Stefan Petre

 */

jQuery.fn.Bounce = function (hight, callback) {

	return this.queue('interfaceFX', function(){

		if (!jQuery.fxCheckTag(this)) {

			jQuery.dequeue(this, 'interfaceFX');

			return false;

		}

		var e = new jQuery.fx.iBounce(this, hight, callback);

		e.bounce();

	});

};

jQuery.fx.iBounce = function (e, hight, callback)

{

	var z = this;

	z.el = jQuery(e);

	z.el.show();

	z.callback = callback;

	z.hight = parseInt(hight)||40;

	z.oldStyle = {};

	z.oldStyle.position = z.el.css('position');

	z.oldStyle.top = parseInt(z.el.css('top'))||0;

	z.oldStyle.left = parseInt(z.el.css('left'))||0;

	if (z.oldStyle.position != 'relative' && z.oldStyle.position != 'absolute') {

		z.el.css('position', 'relative');

	}

	z.times = 5;

	z.cnt = 1;

	z.bounce = function ()

	{

		z.cnt ++;

		z.e = new jQuery.fx(

			z.el.get(0), 

			{

			 duration: 120,

			 complete : function ()

			 {

				z.e = new jQuery.fx(

					z.el.get(0), 

					{

						duration: 80,

						complete : function ()

						{

							z.hight = parseInt(z.hight/2);

							if (z.cnt <= z.times)

								z.bounce();

							else {

								z.el.css('position', z.oldStyle.position).css('top', z.oldStyle.top + 'px').css('left', z.oldStyle.left + 'px');

								jQuery.dequeue(z.el.get(0), 'interfaceFX');

								if (z.callback && z.callback.constructor == Function) {

									z.callback.apply(z.el.get(0));

								}

							}

						}

					},

					'top'

				);

				z.e.custom (z.oldStyle.top-z.hight, z.oldStyle.top);

			 }

			}, 

			'top'

		);

		z.e.custom (z.oldStyle.top, z.oldStyle.top-z.hight);

	};

};