/*
 * 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. 
 *
*/
/*
easeInQuad / easeInQuad
easeOutQuad / easeOutQuad
easeInOutQuad / easeInOutQuad
easeInCubic / easeInCubic
easeOutCubic / easeOutCubic
easeInOutCubic / easeInOutCubic
easeInQuart / easeInQuart
easeOutQuart / easeOutQuart
easeInOutQuart / easeInOutQuart
easeInQuint / easeInQuint
easeOutQuint / easeOutQuint
easeInOutQuint / easeInOutQuint
easeInSine / easeInSine
easeOutSine / easeOutSine
easeInOutSine / easeInOutSine
easeInExpo / easeInExpo
easeOutExpo / easeOutExpo
easeInOutExpo / easeInOutExpo
easeInCirc / easeInCirc
easeOutCirc / easeOutCirc
easeInOutCirc / easeInOutCirc
easeInElastic / easeInElastic
easeOutElastic / easeOutElastic
easeInOutElastic / easeInOutElastic
easeInBack / easeInBack
easeOutBack / easeOutBack
easeInOutBack / easeInOutBack
easeInBounce / easeInBounce
easeOutBounce / easeOutBounce
easeInOutBounce / easeInOutBounce
*/
// 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. 
 *
 */

jQuery.fn.vvGalleryScroll = function(_options){
	// defaults options	
	var _options = jQuery.extend({
		btnPrev: 'a.link-prev',
		btnNext: 'a.link-next',
		holderList: 'div',
		scrollElParent: 'ul',
		scrollEl: 'li',
		thumbs: false,
		thumbsCreate: false,
		duration : 700,
		easing: 'linear',
		step: false,
		pause: false,
		event: 'click',
		circleSlide: true,
		disableClass: 'disable',
		autoSlide:false,
		onBeforeChange: null,
		onChange: null
	},_options);

	return this.each(function(){
		var _this = this;

		var _holderBlock = jQuery(_options.holderList,_this);
		var _moover = jQuery(_options.scrollElParent,_holderBlock).css('position','relative');
		var _liWidth = jQuery(_options.scrollEl,_moover).outerWidth(true);
		var _gWidth = _holderBlock.width();
		var _liSum = jQuery(_options.scrollEl,_moover).length * _liWidth;
		var _thumbs = _options.thumbs ? (jQuery(_options.thumbs,_this).length ? jQuery(_options.thumbs,_this): false) : false;
		var _step = 0, _t = null, _mM=0;
		var _pause =  _options.pause ? jQuery(_options.pause,_this) : false;
		var _play = _options.play ? jQuery(_options.play,_this) : false;
		var _a = 0;
		var _f = false;
		if(_options.thumbsCreate){
			var _html = '<ul class="switcher">';
			for(var i=0; i<jQuery(_options.scrollEl,_moover).length; i++) {
				_html+='<li><a href="#">'+(i+1)+'</a></li>';
			};
			_html += '</ul><div class="switcher-block-r"></div>';
			_thumbs.html(_html);
			_thumbs = _thumbs.find('li');
		}
		if(_thumbs) _thumbs.removeClass('active').eq(_a).addClass('active');
//step
		if(typeof(_options.step)=='number') _step = _options.step;
		else if (!_options.step) _step = _gWidth; else _step = _options.step*_liWidth;
		if(!_options.circleSlide){
			if(_mM == 0) jQuery(_options.btnPrev,_this).addClass(_options.disableClass);
			else if(_mM ==_liSum-_gWidth) jQuery(_options.btnNext,_this).addClass(_options.disableClass);
		};
//prev btn
		if(jQuery(_options.btnPrev, _this)){
			jQuery(_options.btnPrev, _this).bind(_options.event, function(){
				if(!jQuery(this).hasClass(_options.disableClass && !_f)){
					jQuery(_options.btnNext,_this).removeClass(_options.disableClass);
					if(_mM - _step<0) (_mM!=0) ? _mM=0 : (_options.circleSlide ? _mM = _liSum - _gWidth : jQuery(_options.btnPrev,_this).addClass(_options.disableClass));
					else _mM -= _step;
					if(_a!= 0) _a--;
					else _a =jQuery(_options.scrollEl,_moover).length-1;
					_this.rotate(_mM);
				}
				return false;
			});
		};
//next btn
		if(jQuery(_options.btnNext, _this)){
			jQuery(_options.btnNext, _this).bind(_options.event, function(){
				if(!jQuery(this).hasClass(_options.disableClass && !_f)){
					jQuery(_options.btnPrev,_this).removeClass(_options.disableClass);
					if(_mM + _step >_liSum - _gWidth) (_mM!= _liSum - _gWidth) ? (_mM = _liSum - _gWidth) : (_options.circleSlide ? _mM = 0 : jQuery(_options.btnNext,_this).addClass(_options.disableClass));
					else _mM += _step;
					if(_a!= jQuery(_options.scrollEl,_moover).length-1) _a++;
					else _a =0;
					_this.rotate(_mM);
				}
				return false;
			});
		};
//animate
		_this.rotate = function(_mM){
			_f = true;
			if(_t) clearTimeout(_t);
			if (jQuery.isFunction(_options.onBeforeChange)) {
				_options.onBeforeChange.apply({obj: _this,slide: jQuery(_options.scrollEl,_moover), active: _a, curent: _this.curent, opt: _options});
			}
			if(!_options.circleSlide){
				if(_mM == 0) jQuery(_options.btnPrev,_this).addClass(_options.disableClass);
				else if(_mM ==_liSum-_gWidth) jQuery(_options.btnNext,_this).addClass(_options.disableClass);
			};
			if(_thumbs) _thumbs.removeClass('active').eq(_a).addClass('active');
			_moover.animate({left: -_mM},{duration: _options.duration,easing: _options.easing, queue: false, complete: function(){
				if (jQuery.isFunction(_options.onChange)) {
					_options.onChange.apply(_this);
				}
				_this.autoslide();
				_f = false;
			}});
		};
//autoslide
		_this.autoslide = function(){
			if(_options.autoSlide && _liSum >= _gWidth && !_f){
				if(_t) clearTimeout(_t);
				_t = setTimeout(function(){
					jQuery(_options.btnPrev,_this).removeClass(_options.disableClass);
					if(_mM + _step >_liSum - _gWidth) (_mM!= _liSum - _gWidth) ? (_mM = _liSum - _gWidth) : (_options.circleSlide ? _mM = 0 : jQuery(_options.btnNext,_this).addClass(_options.disableClass));
					else _mM += _step;
					_this.curent = _a;
					if(_a!= jQuery(_options.scrollEl,_moover).length-1) _a++;
					else _a =0;
					_this.rotate(_mM);
				}, _options.autoSlide);
			};
		};
		_this.autoslide();
//disable btns next/prev if need
		if (_liSum <= _gWidth) {
			jQuery(_options.btnPrev,_this).addClass(_options.disableClass).unbind(_options.event).click(function(){return false;});
			jQuery(_options.btnNext,_this).addClass(_options.disableClass).unbind(_options.event).click(function(){return false;});
		};
//thumbs
		if(_thumbs){
			_thumbs.click(function(){
				if(!_f){
					var _ind = _thumbs.index(this);
					_this.curent = _a;
					_a = _ind;
					_thumbs.removeClass('active').eq(_a).addClass('active');
					_mM = _step*_ind;
					_this.rotate(_mM);
				}
				return false;
			});
		}
	//play|pause
		if(_pause && _pause.length){
			_pause.click(function(){
				_play.removeClass('active');
				jQuery(this).addClass('active');
				if(_t) clearTimeout(_t);
				return false;
			});
		};
		if(_play && _play.length){
			_play.click(function(){
				_pause.removeClass('active');
				jQuery(this).addClass('active');
				_this.autoslide();
				return false;
			});
		};
	});
};

jQuery(document).ready(function(){
	jQuery('div.promo').vvGalleryScroll({
		holderList: 'div.slide-block',
		scrollElParent: 'ul.slide-show',
		scrollEl: '> li',
		easing: 'easeInOutExpo',
		thumbs: 'div.switcher-block',
		thumbsCreate: true,
		duration : 2500,
		autoSlide: 5000,
		onBeforeChange: function(){
			var arg = this; 
			arg.slide.find('div.text-block').eq(arg.curent).animate({marginLeft: -arg.slide.width()},{
				duration: arg.opt.duration/2,
				easing: arg.opt.easing,
				complete: function(){
					var self = this;
					setTimeout(function(){
						jQuery(self).css({marginLeft: ''});
					},arg.opt.duration/2)
				}
			})
		}
	});
});