jQuery(function(){
	initPlugins();
	initSlideShow();
	hoverForIE6('#nav > li');
});

//ie6 hover
function hoverForIE6(h_list, h_class){
	if($.browser.msie && $.browser.version < 7){
		if(!h_class) var h_class = 'hover';
		$(h_list).mouseenter(function(){
			$(this).addClass(h_class);
		}).mouseleave(function(){
			$(this).removeClass(h_class);
		});
	}
}

function initPlugins(){
	jQuery('div#header').fadeGallery({
		slideElements:'ul.gallery > li',
		autoRotation:true,
		switchTime:5000,
		duration:500
	});
	jQuery('ul.side-nav > li').OpenClose({
		activeClass:'active',
		opener:'a.opener',
		slider:'.slide',
		slideSpeed: 200
	});
	jQuery('div.image').corner({
		tl: { radius: 5 },
		tr: { radius: 5 },
		bl: { radius: 5 },
		br: { radius: 5 },
		antiAlias: true,
		autoPad: false,
		validTags: ["div"]
	});
}

function initSlideShow(){
	var slideshow = $('div.gallery-box').slideshow();
	slideshow.slides.bind('click',function(){
		if (!slideshow.busy) slideshow.nextSlide();
		return false;
	});
}

//create jQuery plugin
$.fn.slideshow = function(options){return new slideshow(this, options);}

//constructor
function slideshow(obj, options){this.init(obj,options)}

//prototype
slideshow.prototype = {
	init:function(obj, options) {
		this.options = $.extend({
			slides:'div.frame > ul >li',
			nextBtn:'a.btn-next',
			prevBtn:'a.btn-prev',
			pagingHolder:'div.switcher',
			pagingTag:'li',
			createPaging:true,
			autoPlay:true,
			dynamicLoad:false,
			imgAttr:'alt',
			effect:'fade',//fade, slideX, slideY,
			startSlide:false,
			switchTime:5000,
			animSpeed:700
		},options);
		
		this.mainHolder = $(obj);
		this.slides = $(this.options.slides,this.mainHolder);		
		this.nextBtn = $(this.options.nextBtn,this.mainHolder);
		this.prevBtn = $(this.options.prevBtn,this.mainHolder);
		this.dynamicLoad = this.options.dynamicLoad;
		this.imgAttr = this.options.imgAttr;
		this.animSpeed = this.options.animSpeed;
		this.switchTime = this.options.switchTime;
		this.effect = this.options.effect;
		this.autoPlay = this.options.autoPlay;
		this.previous = -1;
		this.loadingFrame = 1;
		this.busy = false;
		this.direction = 1;
		this.timer;
		this.pagingArray = new Array;
		this.loadArray = new Array;
		this.preloader = new Array;
		this.slidesParent = this.slides.eq(0).parent();
		this.slideW = this.slidesParent.width();
		this.slideH = this.slidesParent.height();
		
		(function(){
			if (this.options.startSlide) this.current = this.options.startSlide
			else {
				var active = -1;
				for(var i = 0; i< this.slides.length-1; i++) {
					if (this.slides.eq(i).hasClass('active')) {
						active = i;
						break;						
					}
				}
				if (active != -1) this.current = active;
				else this.current = 0;
			}
		}).apply(this);
		
		this.initPaging();
		this.setStyles();
		this.bindEvents();
		this.showSlide();
	},
	
	initPaging:function(){
		var obj = this;
		this.pagingHolder = $(this.options.pagingHolder,this.mainHolder);
		
		if (this.options.createPaging) {
			this.pagingHolder.each(function(i){
				var _this = $(this);
				_this.empty();
				var list = $('<ul>');
				for (var i = 0; i < obj.slides.length; i++) $('<li><a href="#">' + (i + 1) + '</a></li>').appendTo(list);
				_this.append(list);
			});
		}
		
		this.paging = $(this.options.pagingTag, this.pagingHolder);
		var ratio = Math.ceil(this.paging.length / this.slides.length);
		for (var i = 0; i < ratio; i++) {
			this.pagingArray.push(this.paging.slice(i*this.slides.length, (i*this.slides.length)+this.slides.length));
		}
	},
	
	setStyles:function(){
		//loader
		if (this.dynamicLoad) {
			this.loader = $('<div class="loader">');
			this.loaderDiv = $('<div>').appendTo(this.loader)
			this.loader.append(this.loaderDiv).appendTo(this.slidesParent);
		}
		
		//slides
		if (this.effect == 'fade') {
			this.slides.css({display:'none'});
			this.slides.eq(this.current).css({display:'block'});
		} else if (this.effect == 'slideX'){
			this.slides.css({display: 'none',left:-this.slideW});
			this.slides.eq(this.current).css({display:'block',left:0});
		} else if (this.effect == 'slideY'){
			this.slides.css({display:'none',top:-this.slideH});
			this.slides.eq(this.current).css({display:'block',top:0});
		}
	},
	
	bindEvents:function(){
		var obj = this;
		this.nextBtn.bind('click',function(){
			if (!obj.busy) obj.nextSlide();
			return false;
		});
		
		this.prevBtn.bind('click',function(){
			if (!obj.busy) obj.prevSlide();
			return false;
		});
		
		for (var i = 0; i < this.pagingArray.length; i++) {
			this.pagingArray[i].each(function(i){
				$(this).bind('click',function(){
					if (i != obj.current && !obj.busy) {
						obj.previous = obj.current;
						obj.current = i;
						if (obj.previous > i) obj.direction = -1
						else obj.direction = 1;
						obj.showSlide();
					}
					return false;
				});
			});
		}
		
		if (this.dynamicLoad) this.loader.bind('click',function(){
			obj.abortLoading();
		});
	},
	
	nextSlide:function(){
		this.previous = this.current;
		if (this.current < this.slides.length-1) this.current++
		else this.current = 0;
		this.direction = 1;
		this.showSlide();
	},
	
	prevSlide:function(){
		this.previous = this.current;
		if (this.current > 0) this.current--
		else this.current = this.slides.length-1;
		this.direction = -1;
		this.showSlide();
	},
	
	showSlide:function(){
		var obj = this;
		
		if (this.previous == this.current) return; 
		
		var _current = this.current;
		this.busy = true;
		clearTimeout(this.timer);
		
		if (typeof this.loadArray[_current] != 'undefined' || !this.dynamicLoad) {
			//slide already loaded
			this.switchSlide();
		
		} else {
			//slide not loaded
			this.showLoading();
			var images = $(this.dynamicLoad,this.slides.eq(this.current));
			if (images.length) {
				var counter = 0;
				images.each(function(){
					var preloader = new Image;
					obj.preloader.push(preloader);
					var img = $(this);
					preloader.onload = function(){
						counter++;
						checkImages();
					}
					preloader.onerror = function(){
						//ignore errors
						counter++;
						checkImages();
					}
					preloader.src = img.attr(obj.imgAttr);
				});
				
				function checkImages(){
					if (counter == images.length) {
						images.each(function(){
							var img = $(this);
							img.attr('src',img.attr(obj.imgAttr));
						});
						successLoad();
					}
				}
				
			} else successLoad();
		}
		
		function successLoad(){
			obj.loadArray[_current] = 1;
			obj.hideLoading();
			obj.switchSlide();
		}
	},
	
	switchSlide:function(){
		var obj = this;
		
		if (this.previous != -1) {
			var nextSlide = this.slides.eq(this.current);
			var prevSlide = this.slides.eq(this.previous);
			
			if (this.effect == 'fade') {
				nextSlide.css({display:'block',opacity:0}).animate({opacity:1},this.animSpeed,function(){
					$(this).css({opacity:'auto'});
				});
				prevSlide.animate({opacity:0},this.animSpeed,callback);
			} else if (this.effect == 'slideX'){
				nextSlide.css({display:'block',left:this.slideW*this.direction}).animate({left:0},this.animSpeed);
				prevSlide.animate({left:-this.slideW*this.direction},this.animSpeed+10,callback);
			} else if (this.effect == 'slideY'){
				nextSlide.css({display:'block',top:this.slideH*this.direction}).animate({top:0},this.animSpeed);
				prevSlide.animate({top:-this.slideH*this.direction},this.animSpeed+10,callback);
			}
		} else {
			if (this.autoPlay) this.startAutoPlay();
			this.busy = false;
		}
		
		this.refreshStatus();
		
		function callback(){
			prevSlide.css({display:'none'});
			if (obj.autoPlay) obj.startAutoPlay();
			obj.busy = false;
		}
	},
	
	refreshStatus:function(){
		for (var i = 0; i < this.pagingArray.length;i++) {
			this.pagingArray[i].eq(this.previous).removeClass('active');
			this.pagingArray[i].eq(this.current).addClass('active');
		}
		this.slides.eq(this.previous).removeClass('active');
		this.slides.eq(this.current).addClass('active');
	},
	
	showLoading:function(){
		var obj = this;
		this.loader.show();
		clearInterval(this.loadingTimer);
		obj.loadingTimer = setInterval(animateLoading, 66);
		
		function animateLoading(){
			obj.loaderDiv.css('top', obj.loadingFrame * -40);
			obj.loadingFrame = (obj.loadingFrame + 1) % 12;
		}
	},
	
	hideLoading:function(){
		this.loader.hide();
		clearInterval(this.loadingTimer);
	},
	
	abortLoading:function(){
		this.busy = false;
		this.hideLoading();
		this.current = this.previous;
		for (var i = 0; i < this.preloader.length; i++) {
			this.preloader[i].onload = null;
			this.preloader[i].onerror = null;
		}
		if (this.autoPlay) this.startAutoPlay();
	},
	
	startAutoPlay:function(){
		var obj = this;
		clearTimeout(obj.timer);
		obj.timer = setTimeout(function(){
			obj.nextSlide();
		},obj.switchTime);
	}
}

// slideshow plugin
jQuery.fn.fadeGallery = function(_options){
	var _options = jQuery.extend({
		slideElements:'div.slideset > div',
		pagerLinks:'div.paging a',
		generatePagination:'div.paging',
		paginationUlClass:'switcher',
		switcherClasses:'',
		switcherClassTo:'a',
		currentNumSlide:'.count .current',
		indexOfNumsSlides:'.count .indexof',
		alwaysPutZero:true,
		btnPauseToSwitcher:'false',
		btnNext:'a.next',
		btnPrev:'a.prev',
		btnPlayPause:'a.play-pause',
		btnPlay:'a.play',
		btnPause:'a.pause',
		pausedClass:'paused',
		disabledClass: 'disabled',
		playClass:'playing',
		activeClass:'active',
		loadingClass:'ajax-loading',
		loadedClass:'slide-loaded',
		dynamicImageLoad:false,
		dynamicImageLoadAttr:'alt',
		currentNum:false,
		allNum:false,
		startSlide:null,
		noCircle:false,
		pauseOnHover:true,
		autoRotation:false,
		autoHeight:false,
		onInit:false,
		onBeforeFade:false,
		onAfterFade:false,
		onChange:false,
		disableWhileAnimating:false,
		switchTime:3000,
		duration:650,
		event:'click'
	},_options);

	return this.each(function(){
		// gallery options
		if(this.slideshowInit) return; else this.slideshowInit;
		var _this = jQuery(this);
		var _slides = jQuery(_options.slideElements, _this);
		var _pagerLinks = jQuery(_options.pagerLinks, _this);
		var _generatePagination = jQuery(_options.generatePagination, _this);
		var _paginationUlClass = _options.paginationUlClass;
		var _switcherClasses = _options.switcherClasses;
		var _switcherClassTo = _options.switcherClassTo;
		var _currentNumSlide = jQuery(_options.currentNumSlide, _this);
		var _indexOfNumsSlides = jQuery(_options.indexOfNumsSlides, _this);
		var _alwaysPutZero = _options.alwaysPutZero;
		var _btnPauseToSwitcher = _options.btnPauseToSwitcher;
		var _btnPrev = jQuery(_options.btnPrev, _this);
		var _btnNext = jQuery(_options.btnNext, _this);
		var _btnPlayPause = jQuery(_options.btnPlayPause, _this);
		var _btnPause = jQuery(_options.btnPause, _this);
		var _btnPlay = jQuery(_options.btnPlay, _this);
		var _pauseOnHover = _options.pauseOnHover;
		var _dynamicImageLoad = _options.dynamicImageLoad;
		var _dynamicImageLoadAttr = _options.dynamicImageLoadAttr;
		var _autoRotation = _options.autoRotation;
		var _activeClass = _options.activeClass;
		var _loadingClass = _options.loadingClass;
		var _loadedClass = _options.loadedClass;
		var _disabledClass = _options.disabledClass;
		var _pausedClass = _options.pausedClass;
		var _playClass = _options.playClass;
		var _autoHeight = _options.autoHeight;
		var _duration = _options.duration;
		var _switchTime = _options.switchTime;
		var _controlEvent = _options.event;
		var _currentNum = (_options.currentNum ? jQuery(_options.currentNum, _this) : false);
		var _allNum = (_options.allNum ? jQuery(_options.allNum, _this) : false);
		var _startSlide = _options.startSlide;
		var _noCycle = _options.noCircle;
		var _onChange = _options.onChange;
		var _onBeforeFade = _options.onBeforeFade;
		var _onAfterFade = _options.onAfterFade;
		var _onInit = _options.onInit;
		var _disableWhileAnimating = _options.disableWhileAnimating;
		
		if(_switcherClasses){_switcherClasses = _switcherClasses.split((/\s*,\s*/));}
		
		// gallery init
		var _anim = false;
		var _hover = false;
		var _prevIndex = 0;
		var _currentIndex = 0;
		var _slideCount = _slides.length;
		var _timer;
		var _switcherIndex = 0;
		if(_slideCount < 2) return;
		
		changeNum();
		function changeNum(){
			if(_currentNumSlide.length){
				if(_alwaysPutZero == false){
					_currentNumSlide.text(_currentIndex + 1);
				}else{
					if(_currentIndex + 1 < 10){
						var curIndNum = '0' + (_currentIndex + 1);
						_currentNumSlide.text(curIndNum);
					}
				}
			}
			if(_indexOfNumsSlides){
				if(_alwaysPutZero == false){
					_indexOfNumsSlides.text(_slides.length);
				}else{
					if(_slides.length < 10){
						var curIndNum = '0' + _slides.length;
						_indexOfNumsSlides.text(curIndNum);
					}
				}
			}
		}
		
		if(_generatePagination.length) {
			var list = $('<ul class="'+_paginationUlClass+'">');
			var classTagLi = '';
			var classTagA = '';
			for(var i=0; i<_slideCount; i++){
				if(_switcherClasses.length && _switcherClassTo == 'li'){
					classTagLi = ' class="'+_switcherClasses[_switcherIndex]+'"';
				}else if(_switcherClasses.length && _switcherClassTo == 'a'){
					classTagA = ' class="'+_switcherClasses[_switcherIndex]+'"';
				}
				$('<li'+classTagLi+'><a'+classTagA+' href="#">'+(i+1)+'</a></li>').appendTo(list);
				if(_switcherIndex < _switcherClasses.length -1){_switcherIndex++;}else{_switcherIndex = 0;}
			}
			_generatePagination.empty();
			list.appendTo(_generatePagination);
			_pagerLinks = list.children();
			if(_btnPauseToSwitcher == 'true'){_btnPause = list.children();}
		}
		
		_prevIndex = _slides.index(_slides.filter('.'+_activeClass));
		if(_prevIndex < 0) _prevIndex = _currentIndex = 0;
		else _currentIndex = _prevIndex;
		if(_startSlide != null) {
			if(_startSlide == 'random') _prevIndex = _currentIndex = Math.floor(Math.random()*_slideCount);
			else _prevIndex = _currentIndex = parseInt(_startSlide);
		}
		_slides.hide().eq(_currentIndex).show();
		if(_autoRotation) _this.removeClass(_pausedClass).addClass(_playClass);
		else _this.removeClass(_playClass).addClass(_pausedClass);


		// gallery control
		if(_btnPrev.length) {
			_btnPrev.bind(_controlEvent,function(){
				prevSlide();
				return false;
			});
		}
		if(_btnNext.length) {
			_btnNext.bind(_controlEvent,function(){
				nextSlide();
				return false;
			});
		}
		if(_pagerLinks.length) {
			_pagerLinks.each(function(_ind){
				jQuery(this).bind(_controlEvent,function(){
					if(_currentIndex != _ind) {
						if(_disableWhileAnimating && _anim) return;
						_prevIndex = _currentIndex;
						_currentIndex = _ind;
						switchSlide();
					}
					return false;
				});
			});
		}

		// play pause section
		if(_btnPlayPause.length) {
			_btnPlayPause.bind(_controlEvent,function(){
				if(_this.hasClass(_pausedClass)) {
					_this.removeClass(_pausedClass).addClass(_playClass);
					_autoRotation = true;
					autoSlide();
				} else {
					_autoRotation = false;
					if(_timer) clearTimeout(_timer);
					_this.removeClass(_playClass).addClass(_pausedClass);
				}
				return false;
			});
		}
		if(_btnPlay.length) {
			_btnPlay.bind(_controlEvent,function(){
				_this.removeClass(_pausedClass).addClass(_playClass);
				_autoRotation = true;
				autoSlide();
				return false;
			});
		}
		if(_btnPause.length) {
			_btnPause.bind(_controlEvent,function(){
				_autoRotation = false;
				if(_timer) clearTimeout(_timer);
				_this.removeClass(_playClass).addClass(_pausedClass);
				return false;
			});
		}

		// dynamic image loading (swap from ATTRIBUTE)
		function loadSlide(slide) {
			if(!slide.hasClass(_loadingClass) && !slide.hasClass(_loadedClass)) {
				var images = slide.find(_dynamicImageLoad) // pass selector here
				var imagesCount = images.length;
				if(imagesCount) {
					slide.addClass(_loadingClass);
					images.each(function(){
						var img = this;
						img.onload = function(){
							img.loaded = true;
							img.onload = null;
							setTimeout(reCalc,_duration);
						}
						img.setAttribute('src', img.getAttribute(_dynamicImageLoadAttr));
						img.setAttribute(_dynamicImageLoadAttr,'');
					}).css({opacity:0});

					function reCalc() {
						var cnt = 0;
						images.each(function(){
							if(this.loaded) cnt++;
						});
						if(cnt == imagesCount) {
							slide.removeClass(_loadingClass);
							images.animate({opacity:1},{duration:_duration,complete:function(){
								if(jQuery.browser.msie && jQuery.browser.version < 9) jQuery(this).css({opacity:'auto'})
							}});
							slide.addClass(_loadedClass)
						}
					}
				}
			}
		}

		// gallery animation
		function prevSlide() {
			if(_disableWhileAnimating && _anim) return;
			_prevIndex = _currentIndex;
			if(_currentIndex > 0) _currentIndex--;
			else {
				if(_noCycle) return;
				else _currentIndex = _slideCount-1;
			}
			switchSlide();
		}
		function nextSlide() {
			if(_disableWhileAnimating && _anim) return;
			_prevIndex = _currentIndex;
			if(_currentIndex < _slideCount-1) _currentIndex++;
			else {
				if(_noCycle) return;
				else _currentIndex = 0;
			}
			switchSlide();
		}
		function refreshStatus() {
			if(_dynamicImageLoad) loadSlide(_slides.eq(_currentIndex));
			if(_pagerLinks.length) _pagerLinks.removeClass(_activeClass).eq(_currentIndex).addClass(_activeClass);
			if(_currentNum) _currentNum.text(_currentIndex+1);
			if(_allNum) _allNum.text(_slideCount);
			_slides.eq(_prevIndex).removeClass(_activeClass);
			_slides.eq(_currentIndex).addClass(_activeClass);
			if(_noCycle) {
				if(_btnPrev.length) {
					if(_currentIndex == 0) _btnPrev.addClass(_disabledClass);
					else _btnPrev.removeClass(_disabledClass);
				}
				if(_btnNext.length) {
					if(_currentIndex == _slideCount-1) _btnNext.addClass(_disabledClass);
					else _btnNext.removeClass(_disabledClass);
				}
			}
			if(typeof _onChange === 'function') {
				_onChange(_this, _slides, _prevIndex, _currentIndex);
			}
		}
		function switchSlide() {
			_anim = true;
			if(typeof _onBeforeFade === 'function') _onBeforeFade(_this, _slides, _prevIndex, _currentIndex);
			_slides.eq(_prevIndex).fadeOut(_duration,function(){
				_anim = false;
			});
			_slides.eq(_currentIndex).fadeIn(_duration,function(){
				if(typeof _onAfterFade === 'function') _onAfterFade(_this, _slides, _prevIndex, _currentIndex);
			});
			if(_autoHeight) _slides.eq(_currentIndex).parent().animate({height:_slides.eq(_currentIndex).outerHeight(true)},{duration:_duration,queue:false});
			refreshStatus();
			autoSlide();
			changeNum();
		}

		// autoslide function
		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();
			});
		}
		refreshStatus();
		autoSlide();
		
		_this.bind('setslide',function(e,h){
			if(_currentIndex != h.num) _prevIndex = _currentIndex;
			_currentIndex = h.num;
			switchSlide();
		})
	});
}

// open-close plugin
jQuery.fn.OpenClose = function(_options){
	// default options
	var _options = jQuery.extend({
		activeClass:'active',
		opener:'.opener',
		slider:'.slide',
		slideSpeed: 400,
		animStart:false,
		animEnd:false,
		event:'click'
	},_options);

	return this.each(function(){
		// options
		var _holder = jQuery(this);
		var _slideSpeed = _options.slideSpeed;
		var _activeClass = _options.activeClass;
		var _opener = jQuery(_options.opener, _holder);
		var _slider = jQuery(_options.slider, _holder);
		var _animStart = _options.animStart;
		var _animEnd = _options.animEnd;
		var _event = _options.event;
		if(_slider.length) {
			_opener.bind(_event,function(){
				if(!_slider.is(':animated')) {
					if(typeof _animStart === 'function') _animStart();
					if(_holder.hasClass(_activeClass)) {
						_slider.slideUp(_slideSpeed,function(){
							if(typeof _animEnd === 'function') _animEnd();
						});
						_holder.removeClass(_activeClass);
					} else {
						_holder.addClass(_activeClass);
						_slider.slideDown(_slideSpeed,function(){
							if(typeof _animEnd === 'function') _animEnd();
						});
					}
				}
				return false;
			});
			if(_holder.hasClass(_activeClass)) _slider.show();
			else _slider.hide();
		}
	});
}