$(function(){
	initBrowserDetect();
	hideFormText();
	$('div.intro').fadeGallery({
		thumbnails : 'ul.control'
	});
	$('div.atlethic-promo div.photo-box').fadeGallery({
		gallery : '> ul'
	});
	$('a.with-popup').each(function(i){
		$(this).pvlightbox();
	});
});

//fade gallery
jQuery.fn.fadeGallery = function(options){
	// default options	
	var options = jQuery.extend({
		gallery : 'ul.gallery',
		prev : 'a.prev, a.btn-prev, a.link-prev',
		next : 'a.next, a.btn-next, a.link-next',
		play : 'a.play',
		pause : 'a.pause, a.stop',
		thumbnails : '.thumbnails',
		generate_thumbnails : false,
		autoheight:false,
		IE:false,
		autoplay : 10000,
		duration : 2500
	}, options);
	
	return this.each(function(){
		var holder = $(this),
			gallery = $(options.gallery, holder),
			prev = $(options.prev, holder),
			next = $(options.next, holder),
			play = $(options.play, holder),
			pause = $(options.pause, holder),
			autoplay = options.autoplay,
			thumbnails = $(options.thumbnails, holder),
			slides = gallery.find('> li'),
			thumbs = thumbnails.find('li'),
			autoheight = options.autoheight,
			IE = options.IE,
			timer,
			current;
		// auto numbers
		if (options.generate_thumbnails) {
			thumbnails.html('');
			var i = 0;
			while (i < slides.length) {
				thumbnails.append('<li><a href="#">' + (i+1) + '</a></li>');
				i++;
			}
			var thumbs = thumbnails.find('li');
		}
		
		// set active slide
		if (slides.index(slides.filter('.active')) == -1) {
			current = 0;
			slides.eq(0).addClass('active');
			if (options.thumbnails) thumbs.eq(0).addClass('active');
		} else {
			current = slides.index(slides.filter('.active'));
			if (options.thumbnails) thumbs.eq(current).addClass('active');
		}
		
		// init default css styles
		if (autoheight) gallery.css({height: slides.eq(current).height()});
		slides.css({
			opacity:0,
			display:'none',
			position:'absolute',
			top:0,
			left:0
		});
		slides.eq(current).css({
			opacity:1,
			display:'block',
			position:'relative'
		});
		if (IE && $.browser.msie) {
			slides.css({opacity:'auto'});
		}
		
		// prev/next element functions
		function nextEl() {
			var tmp = current;
			if (tmp < slides.length-1) tmp++;
			else tmp = 0;
			return tmp;
		}
		
		function prevEl() {
			var tmp = current;
			if (tmp > 0) tmp--;
			else tmp = slides.length-1;
			return tmp;
		}
		
		// main animation
		function rotate(next_ind) {
			if (timer) clearTimeout(timer);
			if (IE && $.browser.msie) {
				slides.eq(current).stop().removeClass('active').css({
					position:'absolute',
					zIndex:0,
					display:'none'
				})
				slides.eq(next_ind).stop().addClass('active').css({
					position:'relative',
					zIndex:1,
					display:'block'
				});
			} else {
				slides.eq(current).stop().removeClass('active').animate({
					opacity:0
				},options.duration, function(){
					$(this).css({
						display:'none'
					})
				}).css({
					position:'absolute',
					zIndex:0
				})
				slides.eq(next_ind).stop().addClass('active').css({
					display:'block'
				}).animate({
					opacity:1
				},options.duration).css({
					position:'relative',
					zIndex:1
				});
			}
			if (autoheight) {
				if (gallery.css('height') == 'auto') {
					gallery.stop().css({
						height: slides.eq(current).height()
					}).animate({
						height: slides.eq(next_ind).height()
					}, options.duration , function(){
						$(this).css({
							height:'auto'
						});
					});
				} else {
					gallery.stop().animate({
						height: slides.eq(next_ind).height()
					}, options.duration , function(){
						$(this).css({
							height:'auto'
						});
					});
				}
			}
				
			if (options.thumbnails) {
				thumbs.eq(current).removeClass('active');
				thumbs.eq(next_ind).addClass('active');
			}
			current = next_ind;
			
			if (timer) {
				timer = setTimeout(function(){
					rotate(nextEl());
				}, autoplay);
			}
		}
	
		// events
		next.click(function(){
			rotate(nextEl());
			return false;
		});
		prev.click(function(){
			rotate(prevEl());
			return false;
		});
		play.click(function(){
			if (!timer) {
				timer = setTimeout(function(){
					rotate(nextEl());
				}, autoplay);
			} 
			return false;
		});
		pause.click(function(){
			if (timer) {
				clearTimeout(timer);
				timer = false;
			}
			return false;
		});
		// thumbnails
		thumbs.each(function(i){
			$(this).click(function(){
				clearTimeout(timer);
				timer = false;
				if (current !== i) {
					rotate(i)
				} else {
					if (autoplay) {
						timer = setTimeout(function(){
							rotate(nextEl());
						}, autoplay);
					}
				}
				return false;
			})
		});
		
		// autoplay
		if (autoplay) {
			timer = setTimeout(function(){
				rotate(nextEl());
			},autoplay);
		}
	});
}

//hide form text
function hideFormText() {
	var _inputs = document.getElementsByTagName('input');
	var _txt = document.getElementsByTagName('textarea');
	var _value = [];
	
	if (_inputs) {
		for(var i=0; i<_inputs.length; i++) {
			if (_inputs[i].type == 'text' || _inputs[i].type == 'password') {
				
				_inputs[i].index = i;
				_value[i] = _inputs[i].value;
				
				_inputs[i].onfocus = function(){
					if (this.value == _value[this.index])
						this.value = '';
				}
				_inputs[i].onblur = function(){
					if (this.value == '')
						this.value = _value[this.index];
				}
			}
		}
	}
	if (_txt) {
		for(var i=0; i<_txt.length; i++) {
			_txt[i].index = i;
			_value['txt'+i] = _txt[i].value;
			
			_txt[i].onfocus = function(){
				if (this.value == _value['txt'+this.index])
					this.value = '';
			}
			_txt[i].onblur = function(){
				if (this.value == '')
					this.value = _value['txt'+this.index];
			}
		}
	}
}
	
//browser detect
function initBrowserDetect()
{
	var u = navigator.userAgent.toLowerCase();
	var _html = document.getElementsByTagName("html")[0];
	
	if(is("win")) addClass("win");
	else if(is("mac")) addClass("mac");
	else if(is("linux") || is("x11")) addClass("linux");
	
	if(is("msie 8.0")) addClass("ie8");
	else if(is("msie 7.0")) addClass("ie7");
	else if(is("msie 6.0")) addClass("ie6");
	else if(is("firefox/2")) addClass("ff2");
	else if(is("firefox/3")) addClass("ff3");
	else if(is("opera") && is("version/10")) addClass("opera10");
	else if(is("opera/9")) addClass("opera9");
	else if(is("safari") && is("version/3")) addClass("safari3");
	else if(is("safari") && is("version/4")) addClass("safari4");
	else if(is("chrome")) addClass("chrome");
	else if(is("safari")) addClass("safari2");
	else if(is("unknown")) addClass("unknown");
	
	if(is("msie")) addClass("trident");
	else if(is("applewebkit")) addClass("webkit");
	else if(is("gecko")) addClass("gecko");
	else if(is("opera")) addClass("presto");
		
	function is(browser)
	{
		if(u.indexOf(browser) !=-1) return true;
	}
	function addClass(_class)
	{
		_html.className += (" " + _class);
	}
}

//lightbox
$.fn.pvlightbox = function(options){return new pvlightbox($(this).eq(0),options)}
function pvlightbox(link, options) {this.init(link,options)}
pvlightbox.prototype = {
	init:function(link,options){
		var el = this;
		//options
		el.options = $.extend({
			fadeSpeed:400,
			closer:'a.close',
			wrapper:'#wrapper',
			IE:false,
			zIndex:1000
		},options);	
		//popup & default css styles
		if ($.browser.msie && el.options.IE) el.popup = $(link.attr('href')).css({visibility:'hidden'})
		else el.popup = $(link.attr('href')).css({opacity:0,visibility:'hidden'});
		if (el.options.zIndex) el.popup.css({zIndex : el.options.zIndex});
		el.closer = $(el.popup.find(el.options.closer));
		el.popup.visible = false;
		pvlightbox.prototype.activePopup = false;
		if (!pvlightbox.prototype.firstRun) {
			pvlightbox.prototype.firstRun = 'done'
			if ($.browser.msie && $.browser.version < 7) pvlightbox.prototype.selects = $('select',document);
			//create fader
			if (!$('#fader').length) {
				$('body').append('<div id="fader"></div>');
				pvlightbox.prototype.fader = $('#fader');
				pvlightbox.prototype.fader.css({position:'absolute',top:0,left:0,background:'#000',opacity:0,display:'none'});	
				if (el.options.zIndex) pvlightbox.prototype.fader.css({zIndex : el.options.zIndex-1});
			}
			//fader click event
			pvlightbox.prototype.fader.click(function(){
				if (pvlightbox.prototype.activePopup == false) el.hideFader()
				else pvlightbox.prototype.activePopup.hidePopup(function(){el.hideFader()});
				return false;
			});
			//esc event
			$(document).keydown(function (e) {
				if (e.keyCode == 27) {
					if (pvlightbox.prototype.activePopup == false) el.hideFader()
					else pvlightbox.prototype.activePopup.hidePopup(function(){el.hideFader()});
					return false;
				}
			});
			//minWidth
			pvlightbox.prototype.minWidth = $('body').css('min-width');
			if (pvlightbox.prototype.minWidth == '0px' || typeof(pvlightbox.prototype.minWidth) == 'undefined') {
				if (el.options.wrapper) {
					pvlightbox.prototype.wrapper = $(el.options.wrapper);
					pvlightbox.prototype.minWidth = $(el.options.wrapper).outerWidth();
				}
			}
			pvlightbox.prototype.minWidth = parseInt(pvlightbox.prototype.minWidth);
		}
		if ($.browser.msie && $.browser.version < 7) {
			el.popupSelects = $('select',el.popup);
			pvlightbox.prototype.selects = pvlightbox.prototype.selects.not(el.popupSelects);
		}
		//open event
		link.click(function(){
			if (pvlightbox.prototype.activePopup == el) {return false;}
			if (pvlightbox.prototype.activePopup) {
				pvlightbox.prototype.activePopup.hidePopup(function(){
					el.showPopup()
					el.positioning(true);
				});
			} else {
				el.showFader(function(){el.showPopup()});
				el.positioning(true);
			} 
			return false;
		});
		//close event
		el.closer.click(function(){
			el.hidePopup(function(){el.hideFader()});
			return false;
		});
		//resize event
		$(window).resize(function(){
			if (el.popup.visible) el.positioning(false);
		});
	},
	showPopup:function(){
		var el = this;
		el.popup.visible = true;
		pvlightbox.prototype.activePopup = el;
		if ($.browser.msie && el.options.IE) el.popup.css({visibility:'visible'})
		else el.popup.stop().css({'visibility':'visible'}).animate({opacity:1},el.options.fadeSpeed)
	},
	hidePopup:function(callback){
		var el = this;
		if ($.browser.msie && el.options.IE) {
			el.popup.css({left:'-9999px',top:'-9999px',visibility:'hidden'});
			el.popup.visible = false;
			pvlightbox.prototype.activePopup = false;
			if ($.isFunction(callback)) callback();
		} else {
			el.popup.stop().animate({opacity:0},el.options.fadeSpeed,function(){
				el.popup.css({left:'-9999px',top:'-9999px',visibility:'hidden'});
				el.popup.visible = false;
				pvlightbox.prototype.activePopup = false;
				if ($.isFunction(callback)) callback();
			});
		}
	},
	showFader:function(callback){
		var el = this;
		el.fader.stop().css({display:'block'}).animate({opacity:0.5},el.options.fadeSpeed,function(){
			if ($.isFunction(callback)) callback();
		});
		if ($.browser.msie && $.browser.version < 7) pvlightbox.prototype.selects.css({'visibility': 'hidden'});
	},
	hideFader:function(){
		var el = this;
		el.fader.stop().animate({opacity:0},el.options.fadeSpeed,function(){
			el.fader.css({display:'none'});
			if ($.browser.msie && $.browser.version < 7) pvlightbox.prototype.selects.css({'visibility': 'visible'});
		});
	},
	positioning:function(openFlag){
		var el = this;
		//x offset
		var windowW = $(window).width();
		var popupW = el.popup.outerWidth();
		if (windowW < pvlightbox.prototype.minWidth) {
			el.popup.css({left:pvlightbox.prototype.minWidth/2-popupW/2})
			el.fader.css({width:pvlightbox.prototype.minWidth});
		} else {
			 el.popup.css({left:windowW/2-popupW/2});
			 el.fader.css({width:windowW})
		}
		//y offset
		var docH = $(document).height();
		var popupH = el.popup.outerHeight();
		if (openFlag) {
			var windowH = $(window).height();
			var popupH = el.popup.outerHeight();
			if (popupH < windowH) el.popup.css({top:windowH/2-popupH/2+$(window).scrollTop()});
			else if ($(window).scrollTop()+popupH > docH){
				el.popup.css({top:docH-popupH});
			} else {
				el.popup.css({top:$(window).scrollTop()});
			}
		}
		el.fader.css({height:docH});
	}
}