jQuery.noConflict();
jQuery(function(){
	var g1 = new initGallery(jQuery('.gallery'),{
		list: 'ul.gallery-list',
		switcher:'ul.switcher > li',
		effect: 'fade',
		autoRotation:10000
	});
	jQuery('.carousel').scrollGallery({
		sliderHolder: '.carousel-holder',
		btnPrev:'a.link-prev',
		btnNext:'a.link-next',
		duration:650
	});
	initFadeNav();
});

function initFadeNav(){
	jQuery('ul.main-nav').each(function(){
		var _this = jQuery(this);
		_this.children().each(function(){
			var li = jQuery(this);
			var drop = li.find('div.drop');
			li.mouseenter(function(){
				if(jQuery.browser.msie && jQuery.browser.version < 9){
					drop.show();
				}
				else{
					drop.fadeIn();
				}
			}).mouseleave(function(){
				if(jQuery.browser.msie && jQuery.browser.version < 9){
					drop.hide();
				}
				else{
					drop.fadeOut();
				}
			});
		});
	});
}

function initGallery(context, options){this.init(context, options)}
(function( $ ){
	initGallery.prototype = {
		autoRotation: false,
		disableBtn: false,
		list: 'ul.g1',
		switcher: false,
		prev: false,
		next: false,
		effect: false,
		event:'click',
		onStart: function(){},
		onChange: function(){},
		stopOnHover: true,
		activeSlide: 0,
		
		init: function(context, options){
			for ( var i in options ) this[i] = options[i]; 
			this.holder = $(context);
			if(this.holder == undefined) return;
			
			this.list = this.holder.find(this.list);
			this.animation = true, this.active = 0;
			this.prevActive = this.active, this.wait;
			this.count = this.list.children().length,
			this.w = this.list.children().eq(0).outerWidth();
			this.holdW = this.list.parent().width();
			this.visEl = Math.ceil(this.holdW/this.w);
			
			if(this.count <= this.visEl) this.animation = false;
			
			if(this.effect == 'fade') this.list.children().css('opacity', 0).eq(this.active).css('opacity', 1).addClass('active');
			else if(this.effect == 'slide') this.list.css('marginLeft', -this.w*this.active);

			this.initControls(this);
			
			this.toggleState.listItem(this);
			if(this.switcher) this.toggleState.switchItem(this);
			
			this.onStart(this.list, this.active);
			
			if(this.autoRotation && this.animation) this.runTimer(this);
		},
		initControls: function(_this){
			if(_this.prev && _this.next){
				_this.prev = _this.holder.find(_this.prev).attr('rel', 'prev').click(function(e){
					_this.refreshState(e);
					return false;
				});
				_this.next = _this.holder.find(_this.next).attr('rel', 'next').click(function(e){
					_this.refreshState(e);
					return false;
				});
			}
			if(_this.switcher){
				_this.switcher = _this.holder.find(_this.switcher);
				_this.toggleState.switchItem(_this);
				_this.switcher.bind(_this.event, function(){
					var ind = _this.switcher.index($(this))
					_this.refreshState(ind);
					return false;
				});
			}
			if(this.disableBtn) this.disabledConrtol();
		},
		toggleState:{
			listItem: function(_this){
				_this.list.children().eq(_this.prevActive).removeClass('active');
				_this.list.children().eq(_this.active).addClass('active');
			},
			switchItem: function(_this){
				_this.switcher.eq(_this.prevActive).removeClass('active');
				_this.switcher.eq(_this.active).addClass('active');
			}
		},
		disabledConrtol: function(){
			if(this.active == 0) {
				this.prev.parent().addClass('disabled');
				this.next.parent().removeClass('disabled');
			}
			else if(this.active == this.count-1 && this.active + this.visEl == this.count) {
				this.prev.parent().removeClass('disabled');
				this.next.parent().addClass('disabled');
				this.autoRotation = false;
			}
			else {
				this.prev.parent().removeClass('disabled');
				this.next.parent().removeClass('disabled');
			}
		},
		runTimer: function(_this){
			this.wait = setTimeout(function(){_this.refreshState('next')}, this.autoRotation)
		},
		stop: function(){
			if(this.wait) clearTimeout(this.wait)
		},
		play: function(){
			if(this.wait) clearTimeout(this.wait);
			if(this.autoRotation) this.runTimer(this);
		},
		changeSlide:{
			fade:function(_this){
				_this.list.children().eq(_this.prevActive).animate({opacity:0}, {queue:false, duration:700});
				_this.list.children().eq(_this.active).animate({opacity:1}, {queue:false, duration:700, complete:function(){
					_this.play();
					_this.onChange(_this.list, _this.active);
				}});
			},
			slide:function(_this){
				if(_this.active + _this.visEl > _this.count) _this.active = 0;
				_this.list.animate({marginLeft:-_this.w*_this.active}, {queue:false, duration:700, complete:function(){
					_this.play();
					_this.onChange(_this.list, _this.active);
				}});
			}
		},
		refreshState: function(e){
			if(this.animation){
				this.prevActive = this.active;
				if(typeof e == 'string' && e == 'next') this.active++;
				else if(typeof e == 'number') this.active=e;
				else{
					if(e.target.rel == 'next') this.active++;
					else if(e.target.rel == 'prev') this.active--;
				}
				if(this.wait) clearTimeout(this.wait);
				if(this.active == this.count) this.active = 0;
				else if(this.active == -1) this.active=this.count - 1;
				
				this.toggleState.listItem(this);
				if(this.switcher) this.toggleState.switchItem(this);
				
				if(this.disableBtn) this.disabledConrtol();
				
				if(this.effect == 'fade') this.changeSlide.fade(this);
				else if(this.effect == 'slide') this.changeSlide.slide(this);
			}
		}	
	}
})( jQuery );
// scrolling gallery plugin
jQuery.fn.scrollGallery = function(_options){
	var _options = jQuery.extend({
		sliderHolder: '>div',
		slider:'>ul',
		slides: '>li',
		pagerLinks:'div.pager a',
		btnPrev:'a.link-prev',
		btnNext:'a.link-next',
		activeClass:'active',
		disabledClass:'disabled',
		generatePagination:'div.pg-holder',
		curNum:'em.scur-num',
		allNum:'em.sall-num',
		circleSlide:true,
		pauseClass:'gallery-paused',
		pauseButton:'none',
		pauseOnHover:true,
		autoRotation:false,
		stopAfterClick:false,
		switchTime:5000,
		duration:650,
		easing:'swing',
		event:'click',
		splitCount:false,
		afterInit:false,
		vertical:false,
		step:false
	},_options);

	return this.each(function(){
		// gallery options
		var _this = jQuery(this);
		var _sliderHolder = jQuery(_options.sliderHolder, _this);
		var _slider = jQuery(_options.slider, _sliderHolder);
		var _slides = jQuery(_options.slides, _slider);
		var _btnPrev = jQuery(_options.btnPrev, _this);
		var _btnNext = jQuery(_options.btnNext, _this);
		var _pagerLinks = jQuery(_options.pagerLinks, _this);
		var _generatePagination = jQuery(_options.generatePagination, _this);
		var _curNum = jQuery(_options.curNum, _this);
		var _allNum = jQuery(_options.allNum, _this);
		var _pauseButton = jQuery(_options.pauseButton, _this);
		var _pauseOnHover = _options.pauseOnHover;
		var _pauseClass = _options.pauseClass;
		var _autoRotation = _options.autoRotation;
		var _activeClass = _options.activeClass;
		var _disabledClass = _options.disabledClass;
		var _easing = _options.easing;
		var _duration = _options.duration;
		var _switchTime = _options.switchTime;
		var _controlEvent = _options.event;
		var _step = _options.step;
		var _vertical = _options.vertical;
		var _circleSlide = _options.circleSlide;
		var _stopAfterClick = _options.stopAfterClick;
		var _afterInit = _options.afterInit;
		var _splitCount = _options.splitCount;

		// gallery init
		if(!_slides.length) return;

		if(_splitCount) {
			var curStep = 0;
			var newSlide = jQuery('<slide>').addClass('split-slide');
			_slides.each(function(){
				newSlide.append(this);
				curStep++;
				if(curStep > _splitCount-1) {
					curStep = 0;
					_slider.append(newSlide);
					newSlide = jQuery('<slide>').addClass('split-slide');
				}
			});
			if(curStep) _slider.append(newSlide);
			_slides = _slider.children();
		}

		var _currentStep = 0;
		var _sumWidth = 0;
		var _sumHeight = 0;
		var _hover = false;
		var _stepWidth;
		var _stepHeight;
		var _stepCount;
		var _offset;
		var _timer;

		_slides.each(function(){
			_sumWidth+=jQuery(this).outerWidth(true);
			_sumHeight+=jQuery(this).outerHeight(true);
		});

		// calculate gallery offset
		function recalcOffsets() {
			if(_vertical) {
				if(_step) {
					_stepHeight = _slides.eq(_currentStep).outerHeight(true);
					_stepCount = Math.ceil((_sumHeight-_sliderHolder.height())/_stepHeight)+1;
					_offset = -_stepHeight*_currentStep;
				} else {
					_stepHeight = _sliderHolder.height();
					_stepCount = Math.ceil(_sumHeight/_stepHeight);
					_offset = -_stepHeight*_currentStep;
					if(_offset < _stepHeight-_sumHeight) _offset = _stepHeight-_sumHeight;
				}
			} else {
				if(_step) {
					_stepWidth = _slides.eq(_currentStep).outerWidth(true)*_step;
					_stepCount = Math.ceil((_sumWidth-_sliderHolder.width())/_stepWidth)+1;
					_offset = -_stepWidth*_currentStep;
					if(_offset < _sliderHolder.width()-_sumWidth) _offset = _sliderHolder.width()-_sumWidth;
				} else {
					_stepWidth = _sliderHolder.width();
					_stepCount = Math.ceil(_sumWidth/_stepWidth);
					_offset = -_stepWidth*_currentStep;
					if(_offset < _stepWidth-_sumWidth) _offset = _stepWidth-_sumWidth;
					if(_sumWidth < _stepWidth) _offset = 0;
				}
			}
		}

		// gallery control
		if(_btnPrev.length) {
			_btnPrev.bind(_controlEvent,function(){
				if(_stopAfterClick) stopAutoSlide();
				prevSlide();
				return false;
			});
		}
		if(_btnNext.length) {
			_btnNext.bind(_controlEvent,function(){
				if(_stopAfterClick) stopAutoSlide();
				nextSlide();
				return false;
			});
		}
		if(_generatePagination.length) {
			_generatePagination.empty();
			recalcOffsets();
			var _list = jQuery('<ul />');
			for(var i=0; i<_stepCount; i++) jQuery('<li><a href="#">'+(i+1)+'</a></li>').appendTo(_list);
			_list.appendTo(_generatePagination);
			_pagerLinks = _list.children();
		}
		if(_pagerLinks.length) {
			_pagerLinks.each(function(_ind){
				jQuery(this).bind(_controlEvent,function(){
					if(_currentStep != _ind) {
						if(_stopAfterClick) stopAutoSlide();
						_currentStep = _ind;
						switchSlide();
					}
					return false;
				});
			});
		}

		// gallery animation
		function prevSlide() {
			recalcOffsets();
			if(_currentStep > 0) _currentStep--;
			else if(_circleSlide) _currentStep = _stepCount-1;
			switchSlide();
		}
		function nextSlide() {
			recalcOffsets();
			if(_currentStep < _stepCount-1) _currentStep++;
			else if(_circleSlide) _currentStep = 0;
			switchSlide();
		}
		function refreshStatus() {
			if(_pagerLinks.length) _pagerLinks.removeClass(_activeClass).eq(_currentStep).addClass(_activeClass);
			if(!_circleSlide) {
				_btnPrev.removeClass(_disabledClass);
				_btnNext.removeClass(_disabledClass);
				if(_currentStep == 0) _btnPrev.addClass(_disabledClass);
				if(_currentStep == _stepCount-1) _btnNext.addClass(_disabledClass);
			}
			if(_curNum.length) _curNum.text(_currentStep+1);
			if(_allNum.length) _allNum.text(_stepCount);
		}
		function switchSlide() {
			recalcOffsets();
			if(_vertical) _slider.animate({marginTop:_offset},{duration:_duration,queue:false,easing:_easing});
			else _slider.animate({marginLeft:_offset},{duration:_duration,queue:false,easing:_easing});
			refreshStatus();
			autoSlide();
		}

		// autoslide function
		function stopAutoSlide() {
			if(_timer) clearTimeout(_timer);
			_autoRotation = false;
		}
		function autoSlide() {
			if(!_autoRotation || _hover) return;
			if(_timer) clearTimeout(_timer);
			_timer = setTimeout(nextSlide,_switchTime+_duration);
		}
		if(_pauseOnHover) {
			_this.hover(function(){
				_hover = true;
				if(_timer) clearTimeout(_timer);
			},function(){
				_hover = false;
				autoSlide();
			});
		}
		recalcOffsets();
		refreshStatus();
		autoSlide();

		// pause buttton
		if(_pauseButton.length) {
			_pauseButton.click(function(){
				if(_this.hasClass(_pauseClass)) {
					_this.removeClass(_pauseClass);
					_autoRotation = true;
					autoSlide();
				} else {
					_this.addClass(_pauseClass);
					stopAutoSlide();
				}
				return false;
			});
		}

		if(_afterInit && typeof _afterInit === 'function') _afterInit(_this, _slides);
	});
}
