jQuery(document).ready(function(){
	jQuery('div.G1').galleryScroll();
});
(function($) {
	$.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({
				duration: 700,
				slideElement: 1,
				autoRotation: false,
				effect: false,
				listOfSlides: 'ul > li',
				switcher: false,
				disableBtn: false,
				nextBtn: 'a.link-next, a.btn-next, a.next',
				prevBtn: 'a.link-prev, a.btn-prev, a.prev',
				circle: true,
				direction: false,
				event: 'click',
				IE: false
			}, options || {});
			var _el = $(context).find(this.options.listOfSlides);
			if (this.options.effect) this.list = _el;
			else this.list = _el.parent();
			if (this.options.switcher) 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;
				if (!this.options.direction) this.list.css({marginLeft: -(this.woh * this.active)});
				else this.list.css({marginTop: -(this.woh * this.active)});
			}
			else {
				this.rew = this.count;
				this.list.css({opacity: 0}).removeClass('active').eq(this.active).addClass('active').css({opacity: 1}).css('opacity', 'auto');
				if (this.options.switcher) this.switcher.removeClass('active').eq(this.active).addClass('active');
			}
			
			if (this.options.disableBtn) {
				if (this.count < this.wrapHolderW) this.nextBtn.addClass(this.options.disableBtn);
				if (this.active == 0) this.prevBtn.addClass(this.options.disableBtn);
			}
			
			this.initEvent(this, this.nextBtn, this.prevBtn, true);
			this.initEvent(this, this.prevBtn, this.nextBtn, false);
			
			if (this.options.autoRotation) this.runTimer(this);
			
			if (this.options.switcher) this.initEventSwitcher(this, this.switcher);
		},
		installDirections: function(temp){
			this.wrapHolderW = Math.floor(temp / this.woh);
			if (((this.wrapHolderW - 1) * this.woh + this.woh / 2) > temp) this.wrapHolderWwrapHolderW--;
		},
		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, duration: this.options.duration});
				this.list.removeClass('active').eq(this.active).addClass('active').animate({
					opacity:1
				}, {queue:false, duration: this.options.duration, complete: function(){
					$(this).css('opacity','auto');
				}});
			}
			if (this.options.switcher) this.switcher.removeClass('active').eq(this.active).addClass('active');
			this.last = this.active;
		},
		scrollElement: function(){
			if (!this.options.direction) this.list.animate({marginLeft: -(this.woh * this.active)}, {queue:false, duration: this.options.duration});
			else this.list.animate({marginTop: -(this.woh * this.active)}, {queue:false, duration: this.options.duration});
			if (this.options.switcher) this.switcher.removeClass('active').eq(this.active).addClass('active');
		},
		runTimer: function($this){
			if($this._t) clearTimeout($this._t);
			$this._t = setInterval(function(){
				$this.toPrepare($this, true);
			}, this.options.autoRotation);
		},
		initEventSwitcher: function($this, el){
			el.bind($this.options.event, function(){
				$this.active = $this.switcher.index($(this));
				if ($this.active == 0) {
					$this.prevBtn.addClass($this.options.disableBtn);
					$this.nextBtn.removeClass($this.options.disableBtn);
				}
				else if ($this.active == $this.count) {
					$this.nextBtn.addClass($this.options.disableBtn);
					$this.prevBtn.removeClass($this.options.disableBtn);
				}
				else {
					$this.prevBtn.removeClass($this.options.disableBtn);
					$this.nextBtn.removeClass($this.options.disableBtn);
				}
				if($this._t) clearTimeout($this._t);
				if (!$this.options.effect) $this.scrollElement();
				else $this.fadeElement();
				if ($this.options.autoRotation) $this.runTimer($this);
				return false;
			});
		},
		initEvent: function($this, addEventEl, addDisClass, dir){
			addEventEl.bind($this.options.event, function(){
				if($this._t) clearTimeout($this._t);
				if ($this.options.disableBtn &&($this.count > $this.wrapHolderW)) addDisClass.removeClass($this.options.disableBtn);
				$this.toPrepare($this, dir);
				if ($this.options.autoRotation) $this.runTimer($this);
				return false;
			});
		},
		toPrepare: function($this, side){
			if (($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 > $this.rew) {
						if ($this.options.disableBtn && ($this.count > $this.wrapHolderW)) $this.nextBtn.addClass($this.options.disableBtn);
					}
					else $this.active++;
				}
				else{
					if ($this.active - 1 < 0) {
						if ($this.options.disableBtn && ($this.count > $this.wrapHolderW)) $this.prevBtn.addClass($this.options.disableBtn);
					}
					else $this.active--;
				}
			};
			if ($this.active == $this.rew && side) if ($this.options.disableBtn &&($this.count > $this.wrapHolderW)) $this.nextBtn.addClass($this.options.disableBtn);
			if ($this.active == 0 && !side) if ($this.options.disableBtn &&($this.count > $this.wrapHolderW)) $this.prevBtn.addClass($this.options.disableBtn);
			if (!$this.options.effect) $this.scrollElement();
			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);
		}
	}
}(jQuery));
/*
 * jQuery galleryScroll v1.5.2
 */

/*
	************* OPTIONS ************************************** default ****************
	btPrev         - link for previos [selector]    	btPrev: 'a.btn-pre'
	btNext         - link for next [selector]		btNext: 'a.btn-next'
	holderList     - image list holder [Tag name]		holderList: 'div'
	scrollElParent - list [Tag name]			scrollElParent: 'ul'
	scrollEl       - list element [Tag name]		scrollEl: 'li'
	slideNum       - view slide numbers [boolean]		slideNum: false
	duration       - duration slide [1000 - 1sec]		duration : 1000
	step           - slide step [int]			step: false
	circleSlide    - slide circle [boolean]			circleSlide: true
	disableClass   - class for disable link	[string] 	disableClass: 'disable'
	funcOnclick    - callback function			funcOnclick: null
	innerMargin    - inner margin, use width step [px]      innerMargin:0
	autoSlide      - auto slide [1000 - 1sec]               autoSlide:false
	*************************************************************************************
*/
jQuery.fn.galleryScroll = function(_options){
	// defaults options	
	var _options = jQuery.extend({
		btPrev: 'a.link-prev',
		btNext: 'a.link-next',
		holderList: 'div',
		scrollElParent: 'ul',
		scrollEl: 'li',
		slideNum: false,
		duration : 1000,
		step: 1,
		circleSlide: true,
		disableClass: 'disable',
		funcOnclick: null,
		autoSlide:false,
		innerMargin:0,
		stepWidth:false
	},_options);

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

		var _holderBlock = jQuery(_options.holderList,_this);
		var _gWidth = _holderBlock.width();
		var _animatedBlock = jQuery(_options.scrollElParent,_holderBlock);
		var _liWidth = jQuery(_options.scrollEl,_animatedBlock).outerWidth(true);
		var _liSum = jQuery(_options.scrollEl,_animatedBlock).length * _liWidth;
		var _margin = -_options.innerMargin;
		var f = 0;
		var _step = 0;
		var _autoSlide = _options.autoSlide;
		var _timerSlide = null;
		if (!_options.step) _step = _gWidth; else _step = _options.step*_liWidth;
		if (_options.stepWidth) _step = _options.stepWidth;
		
		if (!_options.circleSlide) {
			if (_options.innerMargin == _margin)
				jQuery(_options.btPrev,_this).addClass('prev-'+_options.disableClass);
		}
		if (_options.slideNum && !_options.step) {
			var _lastSection = 0;
			var _sectionWidth = 0;
			while(_sectionWidth < _liSum)
			{
				_sectionWidth = _sectionWidth + _gWidth;
				if(_sectionWidth > _liSum) {
				       _lastSection = _sectionWidth - _liSum;
				}
			}
		}
		if (_autoSlide) {
				_timerSlide = setTimeout(function(){
					autoSlide(_autoSlide);
				}, _autoSlide);
			_animatedBlock.hover(function(){
				clearTimeout(_timerSlide);
			}, function(){
				_timerSlide = setTimeout(function(){
					autoSlide(_autoSlide)
				}, _autoSlide);
			});
		}
	
		// click button 'Next'
		jQuery(_options.btNext,_this).bind('click',function(){
			jQuery(_options.btPrev,_this).removeClass('prev-'+_options.disableClass);
			if (!_options.circleSlide) {
				if (_margin + _step  > _liSum - _gWidth - _options.innerMargin) {
					if (_margin != _liSum - _gWidth - _options.innerMargin) {
						_margin = _liSum - _gWidth  + _options.innerMargin;
						jQuery(_options.btNext,_this).addClass('next-'+_options.disableClass);
						_f2 = 0;
					} 
				} else {
					_margin = _margin + _step;
					if (_margin == _liSum - _gWidth - _options.innerMargin) {
						jQuery(_options.btNext,_this).addClass('next-'+_options.disableClass);_f2 = 0;
					} 					
				}
			} else {
				if (_margin + _step  > _liSum - _gWidth + _options.innerMargin) {
					if (_margin != _liSum - _gWidth + _options.innerMargin) {
						_margin = _liSum - _gWidth  + _options.innerMargin;
					} else {
						_f2 = 1;
						_margin = -_options.innerMargin;
					}
				} else {
					_margin = _margin + _step;
					_f2 = 0;
				}
			} 
			
			_animatedBlock.animate({marginLeft: -_margin+"px"}, {queue:false,duration: _options.duration });
			
			if (_timerSlide) {
				clearTimeout(_timerSlide);
				_timerSlide = setTimeout(function(){
					autoSlide(_options.autoSlide)
				}, _options.autoSlide);
			}
			
			if (_options.slideNum && !_options.step) jQuery.fn.galleryScroll.numListActive(_margin,jQuery(_options.slideNum, _this),_gWidth,_lastSection);		
			if (jQuery.isFunction(_options.funcOnclick)) {
				_options.funcOnclick.apply(_this);
			}
			return false;
		});
		// click button 'Prev'
		var _f2 = 1;
		jQuery(_options.btPrev, _this).bind('click',function(){
			jQuery(_options.btNext,_this).removeClass('next-'+_options.disableClass);
			if (_margin - _step >= -_step - _options.innerMargin && _margin - _step <= -_options.innerMargin) {
				if (_f2 != 1) {
					_margin = -_options.innerMargin;
					_f2 = 1;
				} else {
					if (_options.circleSlide) {
						_margin = _liSum - _gWidth  + _options.innerMargin;
						f=1;_f2=0;
					} else {
						_margin = -_options.innerMargin
					}
				}
			} else if (_margin - _step < -_step + _options.innerMargin) {
				_margin = _margin - _step;
				f=0;
			}
			else {_margin = _margin - _step;f=0;};
			
			if (!_options.circleSlide && _margin == _options.innerMargin) {
				jQuery(this).addClass('prev-'+_options.disableClass);
				_f2=0;
			}
			
			if (!_options.circleSlide && _margin == -_options.innerMargin) jQuery(this).addClass('prev-'+_options.disableClass);
			_animatedBlock.animate({marginLeft: -_margin + "px"}, {queue:false, duration: _options.duration});
			
			if (_options.slideNum && !_options.step) jQuery.fn.galleryScroll.numListActive(_margin,jQuery(_options.slideNum, _this),_gWidth,_lastSection);
			
			if (_timerSlide) {
				clearTimeout(_timerSlide);
				_timerSlide = setTimeout(function(){
					autoSlide(_options.autoSlide)
				}, _options.autoSlide);
			}
			
			if (jQuery.isFunction(_options.funcOnclick)) {
				_options.funcOnclick.apply(_this);
			}
			return false;
		});
		
		if (_liSum <= _gWidth) {
			jQuery(_options.btPrev,_this).addClass('prev-'+_options.disableClass).unbind('click');
			jQuery(_options.btNext,_this).addClass('next-'+_options.disableClass).unbind('click');
		}
		// auto slide
		function autoSlide(autoSlideDuration){
			//if (_options.circleSlide) {
				jQuery(_options.btNext,_this).trigger('click');
			//}
		};
		// Number list
		jQuery.fn.galleryScroll.numListCreate = function(_elNumList, _liSumWidth, _width, _section){
			var _numListElC = '';
			var _num = 1;
			var _difference = _liSumWidth + _section;
			while(_difference > 0)
			{
				_numListElC += '<li><a href="">'+_num+'</a></li>';
				_num++;
				_difference = _difference - _width;
			}
			jQuery(_elNumList).html('<ul>'+_numListElC+'</ul>');
		};
		jQuery.fn.galleryScroll.numListActive = function(_marginEl, _slideNum, _width, _section){
			if (_slideNum) {
				jQuery('a',_slideNum).removeClass('active');
				var _activeRange = _width - _section-1;
				var _n = 0;
				if (_marginEl != 0) {
					while (_marginEl > _activeRange) {
						_activeRange = (_n * _width) -_section-1 + _options.innerMargin;
						_n++;
					}
				}
				var _a  = (_activeRange+_section+1 + _options.innerMargin)/_width - 1;
				jQuery('a',_slideNum).eq(_a).addClass('active');
			}
		};
		if (_options.slideNum && !_options.step) {
			jQuery.fn.galleryScroll.numListCreate(jQuery(_options.slideNum, _this), _liSum, _gWidth,_lastSection);
			jQuery.fn.galleryScroll.numListActive(_margin, jQuery(_options.slideNum, _this),_gWidth,_lastSection);
			numClick();
		};
		function numClick() {
			jQuery(_options.slideNum, _this).find('a').click(function(){
				jQuery(_options.btPrev,_this).removeClass('prev-'+_options.disableClass);
				jQuery(_options.btNext,_this).removeClass('next-'+_options.disableClass);
				
				var _indexNum = jQuery(_options.slideNum, _this).find('a').index(jQuery(this));
				_margin = (_step*_indexNum) - _options.innerMargin;
				f=0; _f2=0;
				if (_indexNum == 0) _f2=1;
				if (_margin + _step > _liSum) {
					_margin = _margin - (_margin - _liSum) - _step + _options.innerMargin;
					if (!_options.circleSlide) jQuery(_options.btNext, _this).addClass('next-'+_options.disableClass);
				}
				_animatedBlock.animate({marginLeft: -_margin + "px"}, {queue:false, duration: _options.duration});
				
				if (!_options.circleSlide && _margin==0) jQuery(_options.btPrev,_this).addClass('prev-'+_options.disableClass);
				jQuery.fn.galleryScroll.numListActive(_margin, jQuery(_options.slideNum, _this),_gWidth,_lastSection);
				
				if (_timerSlide) {
					clearTimeout(_timerSlide);
					_timerSlide = setTimeout(function(){
						autoSlide(_options.autoSlide)
					}, _options.autoSlide);
				}
				return false;
			});
		};
		jQuery(window).resize(function(){
			_gWidth = _holderBlock.width();
			_liWidth = jQuery(_options.scrollEl,_animatedBlock).outerWidth(true);
			_liSum = jQuery(_options.scrollEl,_animatedBlock).length * _liWidth;
			if (!_options.step) _step = _gWidth; else _step = _options.step*_liWidth;
			if (_options.slideNum && !_options.step) {
				var _lastSection = 0;
				var _sectionWidth = 0;
				while(_sectionWidth < _liSum)
				{
					_sectionWidth = _sectionWidth + _gWidth;
					if(_sectionWidth > _liSum) {
					       _lastSection = _sectionWidth - _liSum;
					}
				};
				jQuery.fn.galleryScroll.numListCreate(jQuery(_options.slideNum, _this), _liSum, _gWidth,_lastSection);
				jQuery.fn.galleryScroll.numListActive(_margin, jQuery(_options.slideNum, _this),_gWidth,_lastSection);
				numClick();
			};
			//if (_margin == _options.innerMargin) jQuery(this).addClass(_options.disableClass);
			if (_liSum - _gWidth  < _margin - _options.innerMargin) {
				if (!_options.circleSlide) jQuery(_options.btNext, _this).addClass('next-'+_options.disableClass);
				_animatedBlock.animate({marginLeft: -(_liSum - _gWidth + _options.innerMargin)}, {queue:false, duration: _options.duration});
			};
		});
	});
}