$(function(){
	initSlideshow();
	if(!($.browser.msie && $.browser.version < 9)){
		new touchNav({
			navBlock: 'nav'
		});
	}
	initTabs();
});

$(window).load(function(){
	initNavHover();
});

function initNavHover(){
	if($.browser.msie && $.browser.version < 8){
		$('#menu-main-menu > li').each(function(){
			$(this).unbind();
			$(this).hover(
				function(){
					$(this).addClass('hover');
				},
				function(){
					$(this).removeClass('hover');
				}
			)
		});
	}
}

function initTabs() {
	$('ul.tabset').each(function(){
		var list = $(this);
		var links = list.find('a.tab');
		links.each(function() {
			var link = $(this);
			var href = link.attr('href');
			var tab = $(href);
			if(link.hasClass('active')) tab.show();
			else tab.hide();
			link.click(function(){
				links.filter('.active').each(function(){
					$($(this).removeClass('active').attr('href')).hide();
				});
				link.addClass('active');
				tab.show();
				return false;
			});
		});
	});
}


// slideshow init
function initSlideshow(){
	jQuery('div.slideshow').fadeGallery({
		slideElements:'ul.slideset > li',
		pagerLinks:'ul.switcher li',
		activeClass:'active',
		autoRotation:true,
		switchTime:5000
	});
}

// slideshow plugin
jQuery.fn.fadeGallery = function(_options){
	var _options = jQuery.extend({
		slideElements:'div.slideset > div',
		pagerLinks:'div.pager a',
		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,
		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 _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 = $.browser.msie && $.browser.version ? 0 : _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 _disableWhileAnimating = _options.disableWhileAnimating;

		// gallery init
		var _anim = false;
		var _hover = false;
		var _prevIndex = 0;
		var _currentIndex = 0;
		var _slideCount = _slides.length;
		var _timer;
		if(_slideCount < 2) return;

		_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();
		}
		
		$(window).bind('focus', function(){
			if(_timer) clearTimeout(_timer);
				autoSlide();
			}).bind('blur', function(){
				if(_timer) clearTimeout(_timer);
		});
		
		// 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();
	});
}


// navigation accesibility module
function touchNav(options) {
	this.options = {
		mobileReg: /(ipad|iphone|ipod|android|blackberry|iemobile)/gi,
		hoverClass: 'hover',
		followLink: false,
		menuItems: 'li',
		menuOpener: 'a',
		menuDrop: 'div',
		navBlock: null
	}
	for(var p in options) {
		this.options[p] = options[p];
	}
	this.init();
}
touchNav.prototype = {
	init: function() {
		this.isMobile = (this.options.mobileReg).test(navigator.userAgent);
		if(typeof this.options.navBlock === 'string') {
			this.menu = document.getElementById(this.options.navBlock);
		} else if(typeof this.options.navBlock === 'object') {
			this.menu = this.options.navBlock;
		}
		if(this.menu) {
			this.getElements();
			this.addEvents();
		}
	},
	getElements: function() {
		this.menuItems = this.menu.getElementsByTagName(this.options.menuItems);
	},
	hideActiveDropdown: function() {
		if(this.activeParent) {
			for(var i = 0; i < this.menuItems.length; i++) {
				this.removeClass(this.menuItems[i], this.options.hoverClass);
			}
			this.activeParent = null;
		}
	},
	getOpener: function(obj) {
		for(var i = 0; i < obj.childNodes.length; i++) {
			if(obj.childNodes[i].tagName && obj.childNodes[i].tagName.toLowerCase() == this.options.menuOpener.toLowerCase()) {
				return obj.childNodes[i];
			}
		}
		return false;
	},
	getDrop: function(obj) {
		for(var i = 0; i < obj.childNodes.length; i++) {
			if(obj.childNodes[i].tagName && obj.childNodes[i].tagName.toLowerCase() == this.options.menuDrop.toLowerCase()) {
				return obj.childNodes[i];
			}
		}
		return false;
	},
	addEvents: function() {
		// mobile event handlers
		if(this.isMobile) {
			for(var i = 0; i < this.menuItems.length; i++) {
				this.menuItems[i].touchNav = this;
				if(this.getDrop(this.menuItems[i])) {
					this.addHandler(this.getOpener(this.menuItems[i]), 'click', this.bind(this.clickHandler,this.menuItems[i]));
				}
			}
			this.addHandler(document.body, 'click', this.bind(this.outsideHandler, this));
			this.addHandler(document.body, 'touchstart', this.bind(this.outsideHandler, this));
		}
		// desktop event handlers
		else {
			for(var i = 0; i < this.menuItems.length; i++) {
				this.menuItems[i].touchNav = this;
				this.addHandler(this.menuItems[i], 'mouseover', this.mouseoverHandler);
				this.addHandler(this.menuItems[i], 'mouseout', this.mouseoutHandler);
			}
		}
	},
	outsideHandler: function(e) {
		var childFlag = false;
		if(this.activeParent) {
			this.outsideTarget = e.target || e.currentTarget || e.srcElement;
			while (this.outsideTarget.parentNode) {
				if(this.activeParent == this.outsideTarget) {
					childFlag = true;
					break;
				}
				this.outsideTarget = this.outsideTarget.parentNode;
			}
			if(!childFlag) {
				this.hideActiveDropdown();
			}
		}
	},
	mouseoverHandler: function() {
		this.touchNav.addClass(this, this.touchNav.options.hoverClass);
	},
	mouseoutHandler: function() {
		this.touchNav.removeClass(this, this.touchNav.options.hoverClass);
	},
	clickHandler: function(e) {
		// get current dropdown
		var tNav = this.touchNav;
		tNav.currentElement = e.currentTarget || e.srcElement;
		tNav.currentParent = tNav.currentElement.parentNode;

		// hide previous drop (if exists)
		if(tNav.activeParent && !tNav.isParent(tNav.activeParent, tNav.currentParent) && tNav.currentParent != tNav.activeParent) {
			tNav.hideActiveDropdown();
		}

		// handle current drop
		if(tNav.hasClass(tNav.currentParent, tNav.options.hoverClass)) {
			tNav.removeClass(tNav.currentParent, tNav.options.hoverClass);
			if(tNav.options.followLink) {
				window.location.href = tNav.currentElement.href;
			}
		} else {
			tNav.addClass(tNav.currentParent, tNav.options.hoverClass);
			tNav.activeParent = tNav.currentParent;
			return tNav.preventEvent(e);
		}
	},
	preventEvent: function(e) {
		if(!e) e = window.event;
		if(e.preventDefault) e.preventDefault();
		if(e.stopPropagation) e.stopPropagation();
		e.cancelBubble = true;
		return false;
	},
	isParent: function(parent, child) {
		while(child.parentNode) {
			if(child.parentNode == parent) {
				return true;
			}
			child = child.parentNode;
		}
		return false;
	},
	addHandler: function(object, event, handler) {
		if (typeof object.addEventListener != 'undefined') object.addEventListener(event, this.bind(handler,object), false);
		else if (typeof object.attachEvent != 'undefined') object.attachEvent('on' + event, this.bind(handler,object));
	},
	removeHandler: function(object, event, handler) {
		if (typeof object.removeEventListener != 'undefined') object.removeEventListener(event, handler, false);
		else if (typeof object.detachEvent != 'undefined') object.detachEvent('on' + event, handler);
	},
	hasClass: function(obj,cname) {
		return (obj.className ? obj.className.match(new RegExp('(\\s|^)'+cname+'(\\s|$)')) : false);
	},
	addClass: function(obj,cname) {
		if (!this.hasClass(obj,cname)) obj.className += " "+cname;
	},
	removeClass: function(obj,cname) {
		if (this.hasClass(obj,cname)) obj.className=obj.className.replace(new RegExp('(\\s|^)'+cname+'(\\s|$)'),' ');
	},
	bind: function(func, scope){
		return function() {
			return func.apply(scope, arguments);
		}
	}
}