$(document).ready(function(){
	bigGallery.init({
		duration: 4000 //in ms
	});
});
var bigGallery = {
	init: function(o){
		$('#gallery').each(function(){
			var hold = $(this);
			var leftBox = hold.find('div.left');
			var rightBox = hold.find('div.right');
			var prev = hold.find('a.prev');
			var next = hold.find('a.next');
			var time;
			var f = [];
			var last = 1000;
			prev.css({display: 'none'});
			next.css({display: 'none'});
			
			leftBox.find('> ul > li').removeClass('active').eq(-5).addClass('active');
			rightBox.find('> ul > li').removeClass('active').eq(1).addClass('active');
			var left = leftBox.gallery({
				infinite: true,
				duration: 400,
				listOfSlides: '> ul > li',
				onStop: function(){
					hold.removeClass('active-small');
					reset();
				}
			});
			var right = rightBox.gallery({
				infinite: true,
				duration: 400,
				listOfSlides: '> ul > li',
				onStop: function(){
					hold.removeClass('active-small');
					reset();
				}
			});
			
			var big = hold.gallery({
				duration: 400,
				listOfSlides: '> ul.big > li',
				effect: true
			});
			leftBox.find('a').click(function(){
				if (right.flag) {
					left.options.slideElement = left.active + 5 - leftBox.find('a').index(this);
					right.options.slideElement = left.active + 5 - leftBox.find('a').index(this);
					big.active = big.active - (left.active + 4 - leftBox.find('a').index(this));
					if (big.active < 0) 
						big.active = big.count + big.active + 1;
					prev.trigger('click');
					left.options.slideElement = 1;
					right.options.slideElement = 1;
				}
				return false;
			});
			rightBox.find('a').click(function(){
				if (right.flag) {
					left.options.slideElement = rightBox.find('a').index(this) - right.active + 1;
					right.options.slideElement = rightBox.find('a').index(this) - right.active + 1;
					big.active = big.active + rightBox.find('a').index(this) - right.active;
					if (big.active > big.count) 
						big.active = big.active - big.count - 1;
					next.trigger('click');
					left.options.slideElement = 1;
					right.options.slideElement = 1;
				}
				return false;
			});
			prev.click(function(){
				if (right.flag) {
					if(time) clearTimeout(time);
					right.flag = false;
					hold.addClass('active-small');
					left.toPrepare(left, false);
					right.toPrepare(right, false);
					initTimer();
				}
				return false;
			});
			next.click(function(){
				if (right.flag){
					if(time) clearTimeout(time);
					right.flag = false;
					hold.addClass('active-small');
					left.toPrepare(left, true);
					right.toPrepare(right, true);
					initTimer();
				}
				return false;
			});
			hold.find('ul.big > li').each(function(i){
				f[i] = $(this).gallery({
					duration: 400,
					listOfSlides: 'span > img',
					effect: true
				});
			});
			function initTimer(){
				time = setInterval(function(){
					if(f[big.active].active < f[big.active].count){
						f[big.active].toPrepare(f[big.active], true);
					}
					else{
						next.trigger('click');
					}
				}, o.duration);
			}
			initTimer();
			
			function reset(){
				for (var i = 0; i < f.length; i++){
					f[i].last = f[i].active;
					f[i].active = 0;
					f[i].list.css({opacity: 0}).removeClass('active').eq(f[i].active).addClass('active').css({opacity: 1}).css('opacity', 'auto');
				};
			}
		});
	}
};

/**
 * jQuery gallery v1.1.0
 * Copyright (c) 2011 JetCoders
 * email: yuriy.shpak@jetcoders.com
 * www: JetCoders.com
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 **/

$.fn.gallery = function(options) { return new Gallery(this.get(0), options); };
	
	function Gallery(context, options) { this.init(context, options); };
	
	Gallery.prototype = {
		options:{},
		init: function (context, options){
			this.options = $.extend({
				infinite: false,								//true = infinite gallery
				duration: 700,									//duration of effect it 1000 = 1sec
				slideElement: 1,								//number of elements for a slide
				autoRotation: false,							//false = option is disabled; 1000 = 1sec
				effect: false,									//false = slide; true = fade
				listOfSlides: 'ul > li',						//elements galleries
				switcher: false,								//false = option is disabled; 'ul > li' = elements switcher
				disableBtn: false,								//false = option is disabled; 'hidden' = class adds an buttons "prev" and "next"
				nextBtn: 'a.link-next, a.btn-next, a.next',		//button "next"
				prevBtn: 'a.link-prev, a.btn-prev, a.prev',		//button "prev"
				circle: true,									//true = cyclic gallery; false = not cyclic gallery
				direction: false,								//false = horizontal; true = vertical
				event: 'click',									//event for the buttons and switcher
				IE: false,										//forced off effect it "fade" in IE
				autoHeight: false,								//auto height on fade
				easing: 'swing',
				onStop: function(){}
			}, options || {});
			var _el = $(context).find(this.options.listOfSlides);
			if (this.options.effect) this.list = _el;
			else this.list = _el.parent();
			this.switcher = $(context).find(this.options.switcher);
			this.nextBtn = $(context).find(this.options.nextBtn);
			this.prevBtn = $(context).find(this.options.prevBtn);
			this.count = _el.index(_el.filter(':last'));
			
			if (this.options.switcher) this.active = this.switcher.index(this.switcher.filter('.active:eq(0)'));
			else this.active = _el.index(_el.filter('.active:eq(0)'));
			if (this.active < 0) this.active = 0;
			this.last = this.active;
			
			this.woh = _el.outerWidth(true);
			if (!this.options.direction) this.installDirections(this.list.parent().width());
			else {
				this.woh = _el.outerHeight(true);
				this.installDirections(this.list.parent().height());
			}
			
			if (!this.options.effect) {
				this.rew = this.count - this.wrapHolderW + 1;
				this.list.css({position: 'relative'}).css(this.dirAnimate());
			}
			else {
				this.rew = this.count;
				this.list.css({opacity: 0}).removeClass('active').eq(this.active).addClass('active').css({opacity: 1}).css('opacity', 'auto');
				this.switcher.removeClass('active').eq(this.active).addClass('active');
				if(this.options.autoHeight) this.list.parent().css({height: this.list.eq(this.active).outerHeight()});
			}
			this.flag = true;
			if (this.options.infinite){
				this.count++;
				this.active += this.count;
				this.list.append(_el.clone());
				this.list.append(_el.clone());
				this.list.css(this.dirAnimate());
			}
			
			this.initEvent(this, this.nextBtn, true);
			this.initEvent(this, this.prevBtn, false);
			if (this.options.disableBtn) this.initDisableBtn();
			if (this.options.autoRotation) this.runTimer(this);
			if (this.options.switcher) this.initEventSwitcher(this, this.switcher);
		},
		dirAnimate: function(){
			if (!this.options.direction) return {left: -(this.woh * this.active)};
			else return {top: -(this.woh * this.active)};
		},
		initDisableBtn: function(){
			this.prevBtn.removeClass('prev-'+this.options.disableBtn);
			this.nextBtn.removeClass('next-'+this.options.disableBtn);
			if (this.active == 0 || this.count+1 == this.wrapHolderW) this.prevBtn.addClass('prev-'+this.options.disableBtn);
			if (this.active == 0 && this.count+1 == 1 || this.count+1 <= this.wrapHolderW) this.nextBtn.addClass('next-'+this.options.disableBtn);
			if (this.active == this.rew) this.nextBtn.addClass('next-'+this.options.disableBtn);
		},
		installDirections: function(temp){
			this.wrapHolderW = Math.ceil(temp / this.woh);
			if (((this.wrapHolderW - 1) * this.woh + this.woh / 2) > temp) this.wrapHolderW--;
		},
		fadeElement: function(){
			if ($.browser.msie && this.options.IE){
				this.list.eq(this.last).css({opacity:0});
				this.list.removeClass('active').eq(this.active).addClass('active').css({opacity:'auto'});
			}
			else{
				this.list.eq(this.last).animate({opacity:0}, {queue:false, easing: this.options.easing, duration: this.options.duration});
				this.list.removeClass('active').eq(this.active).addClass('active').animate({
					opacity:1
				}, {queue:false, duration: this.options.duration, complete: function(){
					$(this).css('opacity','auto');
				}});
			}
			if(this.options.autoHeight) this.list.parent().animate({height: this.list.eq(this.active).outerHeight()}, {queue:false, duration: this.options.duration});
			if (this.options.switcher) this.switcher.removeClass('active').eq(this.active).addClass('active');
			this.last = this.active;
		},
		scrollElement: function($this){
			if (!$this.options.infinite) $this.list.animate($this.dirAnimate(), {queue:false, easing: $this.options.easing, duration: $this.options.duration});
			else $this.list.animate($this.dirAnimate(), $this.options.duration, $this.options.easing, function(){ $this.flag = true; $this.options.onStop() });
			if ($this.options.switcher) $this.switcher.removeClass('active').eq($this.active / $this.options.slideElement).addClass('active');
		},
		runTimer: function($this){
			if($this._t) clearTimeout($this._t);
			$this._t = setInterval(function(){
				if ($this.options.infinite) $this.flag = false;
				$this.toPrepare($this, true);
			}, this.options.autoRotation);
		},
		initEventSwitcher: function($this, el){
			el.bind($this.options.event, function(){
				$this.active = $this.switcher.index($(this)) * $this.options.slideElement;
				if($this._t) clearTimeout($this._t);
				if ($this.options.disableBtn) $this.initDisableBtn();
				if (!$this.options.effect) $this.scrollElement($this);
				else $this.fadeElement();
				if ($this.options.autoRotation) $this.runTimer($this);
				return false;
			});
		},
		initEvent: function($this, addEventEl, dir){
			addEventEl.bind($this.options.event, function(){
				if ($this.flag){
					if ($this.options.infinite) $this.flag = false;
					if($this._t) clearTimeout($this._t);
					$this.toPrepare($this, dir);
					if ($this.options.autoRotation) $this.runTimer($this);
				}
				return false;
			});
		},
		toPrepare: function($this, side){
			if (!$this.options.infinite){
				if (($this.active == $this.rew) && $this.options.circle && side) $this.active = -$this.options.slideElement;
				if (($this.active == 0) && $this.options.circle && !side) $this.active = $this.rew + $this.options.slideElement;
				for (var i = 0; i < $this.options.slideElement; i++){
					if (side) { if ($this.active + 1 <= $this.rew) $this.active++; }
					else { if ($this.active - 1 >= 0) $this.active--; }
				};
			}
			else{
				if ($this.active >= $this.count + $this.count && side) $this.active -= $this.count;
				if ($this.active <= $this.count-1 && !side) $this.active += $this.count;
				$this.list.css($this.dirAnimate());
				if (side) $this.active += $this.options.slideElement;
				else $this.active -= $this.options.slideElement;
			}
			if (this.options.disableBtn) this.initDisableBtn();
			if (!$this.options.effect) $this.scrollElement($this);
			else $this.fadeElement();
		},
		stop: function(){
			if (this._t) clearTimeout(this._t);
		},
		play: function(){
			if (this._t) clearTimeout(this._t);
			if (this.options.autoRotation) this.runTimer(this);
		}
	}