/*
 * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
 *
 * Uses the built in easing capabilities added In jQuery 1.1
 * to offer multiple easing options
 *
 * TERMS OF USE - jQuery Easing
 * 
 * Open source under the BSD License. 
 * 
 * Copyright © 2008 George McGinley Smith
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, this list of 
 * conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this list 
 * of conditions and the following disclaimer in the documentation and/or other materials 
 * provided with the distribution.
 * 
 * Neither the name of the author nor the names of contributors may be used to endorse 
 * or promote products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
 * OF THE POSSIBILITY OF SUCH DAMAGE. 
 *
*/

// t: current time, b: begInnIng value, c: change In value, d: duration
jQuery.easing['jswing'] = jQuery.easing['swing'];

jQuery.extend( jQuery.easing,
{
	def: 'easeOutQuad',
	swing: function (x, t, b, c, d) {
		//alert(jQuery.easing.default);
		return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
	},
	easeInQuad: function (x, t, b, c, d) {
		return c*(t/=d)*t + b;
	},
	easeOutQuad: function (x, t, b, c, d) {
		return -c *(t/=d)*(t-2) + b;
	},
	easeInOutQuad: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t + b;
		return -c/2 * ((--t)*(t-2) - 1) + b;
	},
	easeInCubic: function (x, t, b, c, d) {
		return c*(t/=d)*t*t + b;
	},
	easeOutCubic: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t + 1) + b;
	},
	easeInOutCubic: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t + b;
		return c/2*((t-=2)*t*t + 2) + b;
	},
	easeInQuart: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t + b;
	},
	easeOutQuart: function (x, t, b, c, d) {
		return -c * ((t=t/d-1)*t*t*t - 1) + b;
	},
	easeInOutQuart: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
		return -c/2 * ((t-=2)*t*t*t - 2) + b;
	},
	easeInQuint: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t*t + b;
	},
	easeOutQuint: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t*t*t + 1) + b;
	},
	easeInOutQuint: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
		return c/2*((t-=2)*t*t*t*t + 2) + b;
	},
	easeInSine: function (x, t, b, c, d) {
		return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
	},
	easeOutSine: function (x, t, b, c, d) {
		return c * Math.sin(t/d * (Math.PI/2)) + b;
	},
	easeInOutSine: function (x, t, b, c, d) {
		return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
	},
	easeInExpo: function (x, t, b, c, d) {
		return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
	},
	easeOutExpo: function (x, t, b, c, d) {
		return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
	},
	easeInOutExpo: function (x, t, b, c, d) {
		if (t==0) return b;
		if (t==d) return b+c;
		if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
		return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
	},
	easeInCirc: function (x, t, b, c, d) {
		return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
	},
	easeOutCirc: function (x, t, b, c, d) {
		return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
	},
	easeInOutCirc: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
		return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
	},
	easeInElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
	},
	easeOutElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
	},
	easeInOutElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
		return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
	},
	easeInBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		return c*(t/=d)*t*((s+1)*t - s) + b;
	},
	easeOutBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
	},
	easeInOutBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158; 
		if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
		return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
	},
	easeInBounce: function (x, t, b, c, d) {
		return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
	},
	easeOutBounce: function (x, t, b, c, d) {
		if ((t/=d) < (1/2.75)) {
			return c*(7.5625*t*t) + b;
		} else if (t < (2/2.75)) {
			return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
		} else if (t < (2.5/2.75)) {
			return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
		} else {
			return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
		}
	},
	easeInOutBounce: function (x, t, b, c, d) {
		if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
		return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
	}
});
/*
 *
 * TERMS OF USE - EASING EQUATIONS
 * 
 * Open source under the BSD License. 
 * 
 * Copyright © 2001 Robert Penner
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, this list of 
 * conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this list 
 * of conditions and the following disclaimer in the documentation and/or other materials 
 * provided with the distribution.
 * 
 * Neither the name of the author nor the names of contributors may be used to endorse 
 * or promote products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
 * OF THE POSSIBILITY OF SUCH DAMAGE. 
 *
 */
(function($) {
	$.fn.banner = function(options) {
		var opts = $.extend({}, $.fn.banner.defaults, options);
		return this.each(function() {
			$this 				= $(this);
			var o 				= $.meta ? $.extend({}, opts, $this.data()) : opts;
			var banner_width 	= $this.width();
			//the areas
			var $areas			= $this.find('.ca_zone');
			//no step for now
			var step 			= 0;
			//change step from o.speed in o.speed seconds
			if(o.steps.length > 0)
			setInterval(function(){
				++step;
				//from last jump to first
				if(step > o.total_steps) step = 1;
				
				$areas.each(function(){
					var $area 		= $(this);
					var idx			= $area.index();
					//the element where the images are located for this area
					var $wrap		= $area.find('.ca_wrap');
					//current shown image
					var $current	= $wrap.find('img:visible');
					var current_idx = $current.index();
					var config		= o.steps[step-1][idx];
					//the next image position
					var next_idx 	= config[0].to;
					//the effect to use
					var effect		= config[1].effect;
					//if it's a different image than the current one:
					if(parseInt(current_idx+1) != next_idx){
						//next element to appear
						var $next 	= $wrap.find('img:nth-child('+ next_idx +')');
						$next.css({'width':'100%','height':'100%'});
						//which effect to use?
						switch(effect){
							case 'zoomOut-zoomInRotated':
								$next.css({'width':'0px','height':'0px'}).show();
								$current.stop().animate({'width':'0px','height':'0px'},300,function(){
									$current.removeClass('ca_shown').hide();
									$next.addClass('ca_shown').stop().animate({'width':'100%','height':'100%','rotate':'1080deg'},300);
								});
								break;
							case 'zoomOutRotated-zoomInRotated':
								$next.css({'width':'0px','height':'0px'}).show();
								$current.stop().animate({'width':'0px','height':'0px','rotate':'1080deg'},300,function(){
									$current.removeClass('ca_shown').hide();
									$next.addClass('ca_shown').stop().animate({'width':'100%','height':'100%','rotate':'1080deg'},300);
								});
								break;	
							case 'zoomOut-zoomIn':
								$next.css({'width':'0px','height':'0px'}).show();
								$current.stop().animate({'width':'0px','height':'0px'},300,function(){
									$current.removeClass('ca_shown').hide();
									$next.addClass('ca_shown').stop().animate({'width':'100%','height':'100%'},300);
								});
								break;
							case 'slideOutRight-slideInRight':
								$area.data('l',$area.css('left'));
								$area.stop().animate({'left': banner_width + 20 + 'px'},300,function(){
									$current.removeClass('ca_shown').hide();
									$next.addClass('ca_shown').show();
									$area.animate({'left': $area.data('l')},300);//try 'easeOutBack'
								});
								break;	
							case 'slideOutLeft-slideInLeft':
								$area.data('l',$area.css('left'));
								$area.stop().animate({'left': 0-$area.width()-20 + 'px'},300,function(){
									$current.removeClass('ca_shown').hide();
									$next.addClass('ca_shown').show();
									$area.animate({'left': $area.data('l')},300);
								});
								break;
							case 'slideOutTop-slideInTop':
								$area.data('t',$area.css('top'));
								$area.stop().animate({'top': 0-$area.height()-20 + 'px'},300,function(){
									$current.removeClass('ca_shown').hide();
									$next.addClass('ca_shown').show();
									$area.animate({'top': $area.data('t')},300,'easeOutBounce');
								});
								break;
							case 'slideOutBottom-slideInTop':
								$area.data('t',$area.css('top'));
								
								$area.stop().animate({'top': $area.height()+20 + 'px'},300,function(){
									$area.css('top',0-$area.height()-20 + 'px');
									$current.removeClass('ca_shown').hide();
									$next.addClass('ca_shown').show();
									$area.animate({'top': $area.data('t')},300,'easeOutBounce');
								});
								break;
							case 'slideOutTop-slideInBottom':
								$area.data('t',$area.css('top'));
								
								$area.stop().animate({'top': 0-$area.height()-20 + 'px'},300,function(){
									$area.css('top',$area.height()+20 + 'px');
									$current.removeClass('ca_shown').hide();
									$next.addClass('ca_shown').show();
									$area.animate({'top': $area.data('t')},300,'easeInOutBack');
								});
								break;
							/*
							Other possible effects:
							
							case 'fadeOut-fadeIn':
								$current.fadeOut(500,function(){
									$current.removeClass('ca_shown');
									$next.fadeIn(700,function(){$(this).addClass('ca_shown')});
								});
								break;
							case 'fadeOut-zoomIn':
								$next.css({'width':'0px','height':'0px'}).show();
								$current.fadeOut(500,function(){
									$current.removeClass('ca_shown');
									$next.addClass('ca_shown').stop().animate({'width':'100%','height':'100%'},500);
								});
								break;
								
							case 'zoomOut-fadeIn':
								$current.stop().animate({'width':'0px','height':'0px'},300,function(){
									$current.removeClass('ca_shown').hide();
									$next.fadeIn(700,function(){$(this).addClass('ca_shown')});
								});
								break;
							
							etc...	
							*/		
							default:
								$current.removeClass('ca_shown').hide();
								$next.addClass('ca_shown').show();
						}
					}
						
				});
			},o.speed);
		});
	};
	$.fn.banner.defaults = {
		steps   	: [],
		total_steps : 1,
		speed		: 5000	
	};	
})(jQuery);