/*
Supersized - Fullscreen Slideshow jQuery Plugin
By Sam Dunn (www.buildinternet.com // www.onemightyroar.com)
Version: supersized.2.0.js // Relase Date: 5/7/09
Website: www.buildinternet.com/project/supersized
Thanks to Aen for preloading, fade effect, & vertical centering
*/

(function($){

	//Resize image on ready or resize
	$.fn.supersized = function() {
		$.inAnimation = false;
		$.paused = false;
		var options = $.extend($.fn.supersized.defaults, $.fn.supersized.options);
		
		$(window).bind("load", function(){
			//$('#loading').hide();
			//$('#supersize').fadeIn('fast');
			$('#slideshowOff').hide()
			$('#content').show();
			$('#supersize').show();
			if ($('#slideshow .activeslide').length == 0) $('#supersize a:first').addClass('activeslide');
			if (options.slide_captions == 1) $('#slidecaption').html($('#supersize .activeslide').find('img').attr('title'));
			if (options.navigation == 0) $('#navigation').hide();
			//Slideshow
			if (options.slideshow == 1){
				if (options.slide_counter == 1){ //Initiate slide counter if active
					$('#slidecounter .slidenumber').html(1);
					$('#slidecounter .totalslides').html($("#supersize > *").size());
				}
				slideshow_interval = setInterval("nextslide()", options.slide_interval);
				
				
				
				if (options.navigation == 1){ //Skip if no navigation
					$('#navigation a').click(function(){
						$(this).blur();
						return false;
					}); 	
					//Slide Navigation
					$('#nextslide').click(function() {
						/*if($.paused) return false;*/ if($.inAnimation) return false;
						/*clearInterval(slideshow_interval);*/
						nextslide();
						/*slideshow_interval = setInterval(nextslide, options.slide_interval);*/
						return false;
					});
					$('#prevslide').click(function() {
						/*if($.paused) return false;*/ if($.inAnimation) return false;
						/*clearInterval(slideshow_interval);*/
						prevslide();
						/*slideshow_interval = setInterval(nextslide, options.slide_interval);*/
						return false;
					});
					$('#nextslide img').hover(function() {
						if($.paused == true) return false;
						//$(this).attr("src", "images/forward.gif");
					}, function(){
						if($.paused == true) return false;
						//$(this).attr("src", "images/forward_dull.gif");
					});
					$('#prevslide img').hover(function() {
						if($.paused == true) return false; 
					// $(this).attr("src", "images/back.gif");
					}, function(){
						if($.paused == true) return false;
						//$(this).attr("src", "images/back_dull.gif");
					});
					
					//Play/Pause Button
					$('#pauseplay').click(function() {
						if($.inAnimation) return false;
						var src = ($(this).find('img').attr("src") === "images/play.gif") ? "images/pause.gif" : "images/play.gif";
						if (src == "images/pause.gif"){
							$(this).find('img').attr("src", "images/play.gif");
							$.paused = false;
							slideshow_interval = setInterval(nextslide, options.slide_interval);
						}else{
							$(this).find('img').attr("src", "images/pause.gif");
							clearInterval(slideshow_interval);
							$.paused = true;
						}
						$(this).find('img').attr("src", src);
						return false;
					});
					$('#pauseplay').mouseover(function() {
						var imagecheck = ($(this).find('img').attr("src") === "images/play_dull.gif");
						if (imagecheck){
							$(this).find('img').attr("src", "images/play.gif"); 
						}else{
							$(this).find('img').attr("src", "images/pause.gif");
						}
					});
					
					$('#pauseplay').mouseout(function() {
						var imagecheck = ($(this).find('img').attr("src") === "images/play.gif");
						if (imagecheck){
							$(this).find('img').attr("src", "images/play_dull.gif"); 
						}else{
							$(this).find('img').attr("src", "images/pause_dull.gif");
						}
						return false;
					});
					
					//start link
					$('#slideshowOn').click(function() {
						if($.inAnimation) return false;
						if ($.paused == true){
							slideshow_interval = setInterval(nextslide, options.slide_interval);
							$.paused = false;
						}
						
						
						$('#mainContent').addClass('hide');
						$('#menu').addClass('hide');
						$('#subnavi').addClass('hide');
						$('#slideshowOn').hide();
						$('#slideshowOff').show();
						return false;
					});
					
					$('#slideshowOff').click(function() {
						if($.inAnimation) return false;
						if ($.paused == false){
							clearInterval(slideshow_interval);
							$.paused = true;
						}
						
						$('#mainContent').removeClass('hide');
						$('#menu').removeClass('hide');
						$('#subnavi').removeClass('hide');
						$('#slideshowOff').hide();
						$('#slideshowOn').show();
						return false;
					});

				}
			}
		});
				
		$(document).ready(function() {
			$('#supersize').resizenow(); 
		});
		
		//Pause when hover on image
		$('#supersize > *').hover(function() {
			if (options.slideshow == 1 && options.pause_hover == 1){
				if(!($.paused) && options.navigation == 1){
					$('#pauseplay > img').attr("src", "images/pause.gif"); 
					clearInterval(slideshow_interval);
				}
			}
			original_title = $(this).find('img').attr("title");
			if($.inAnimation) return false; else $(this).find('img').attr("title","");
		}, function() {
			if (options.slideshow == 1 && options.pause_hover == 1){
				if(!($.paused) && options.navigation == 1){
					$('#pauseplay > img').attr("src", "images/pause_dull.gif");
					slideshow_interval = setInterval(nextslide, options.slide_interval);
				} 
			}
			$(this).find('img').attr("title", original_title);	
		});
		
		$(window).bind("resize", function(){
			$('#supersize').resizenow(); 
		});
		
		$('#supersize').hide();
		$('#content').hide();
	};
	
	//Adjust image size
	$.fn.resizenow = function() {
		var options = $.extend($.fn.supersized.defaults, $.fn.supersized.options);
		return this.each(function() {
			
			//Define image ratio
			var ratio = options.startheight/options.startwidth;
			
			//Gather browser and current image size
			var imagewidth = $(this).width();
			var imageheight = $(this).height();
			var browserwidth = $(window).width();
			var browserheight = $(window).height();
			var offset;

			//Resize image to proper ratio
			if ((browserheight/browserwidth) > ratio){
				$(this).height(browserheight);
				$(this).width(browserheight / ratio);
				$(this).children().height(browserheight);
				$(this).children().width(browserheight / ratio);
			} else {
				$(this).width(browserwidth);
				$(this).height(browserwidth * ratio);
				$(this).children().width(browserwidth);
				$(this).children().height(browserwidth * ratio);
			}
			if (options.vertical_center == 1){
				$(this).children().css('left', (browserwidth - $(this).width())/2);
				$(this).children().css('top', (browserheight - $(this).height())/2);
			}
			return false;
		});
	};
	
	$.fn.supersized.defaults = { 
			startwidth: 4,
			startheight: 3,
			vertical_center: 1,
			slideshow: 1,
			navigation:1,
			transition: 1, //0-None, 1-Fade, 2-slide top, 3-slide right, 4-slide bottom, 5-slide left
			pause_hover: 0,
			slide_counter: 1,
			slide_captions: 1,
			slide_interval: 5000
	};
	
})(jQuery);

	//Slideshow Next Slide
	function nextslide() {
		if($.inAnimation) return false;
		else $.inAnimation = true;
		var options = $.extend($.fn.supersized.defaults, $.fn.supersized.options);
		var currentslide = $('#supersize .activeslide');
		currentslide.removeClass('activeslide');
		
		if ( currentslide.length == 0 ) currentslide = $('#supersize a:last');
			
		var nextslide =currentslide.next().length ? currentslide.next() : $('#supersize a:first');
		var prevslide =nextslide.prev().length ? nextslide.prev() : $('#supersize a:last');
		
		
		//Display slide counter
		if (options.slide_counter == 1){
			var slidecount = $('#slidecounter .slidenumber').html();
			currentslide.next().length ? slidecount++ : slidecount = 1;
			$('#slidecounter .slidenumber').html(slidecount);
		}
		
		$('.prevslide').removeClass('prevslide');
		prevslide.addClass('prevslide');
		
		//Captions require img in <a>
		if (options.slide_captions == 1) $('#slidecaption').html($(nextslide).find('img').attr('title'));
		
		nextslide.hide().addClass('activeslide')
			if (options.transition == 0){
				nextslide.show(); $.inAnimation = false;
			}
			if (options.transition == 1){
				nextslide.fadeIn(2000, function(){$.inAnimation = false;});
			}
			if (options.transition == 2){
				nextslide.show("slide", { direction: "up" }, 'slow', function(){$.inAnimation = false;});
			}
			if (options.transition == 3){
				nextslide.show("slide", { direction: "right" }, 'slow', function(){$.inAnimation = false;});
			}
			if (options.transition == 4){
				nextslide.show("slide", { direction: "down" }, 'slow', function(){$.inAnimation = false;});
			}
			if (options.transition == 5){
				nextslide.show("slide", { direction: "left" }, 'slow', function(){$.inAnimation = false;});
			}
			
		$('#supersize').resizenow();//Fix for resize mid-transition
		
	}
	
	//Slideshow Previous Slide
	function prevslide() {
		if($.inAnimation) return false;
		else $.inAnimation = true;
		var options = $.extend($.fn.supersized.defaults, $.fn.supersized.options);
		var currentslide = $('#supersize .activeslide');
		currentslide.removeClass('activeslide');
		
		if ( currentslide.length == 0 ) currentslide = $('#supersize a:first');
			
		var nextslide =currentslide.prev().length ? currentslide.prev() : $('#supersize a:last');
		var prevslide =nextslide.next().length ? nextslide.next() : $('#supersize a:first');
		
		//Display slide counter
		if (options.slide_counter == 1){
			var slidecount = $('#slidecounter .slidenumber').html();
			currentslide.prev().length ? slidecount-- : slidecount = $("#supersize > *").size();
			$('#slidecounter .slidenumber').html(slidecount);
		}
		
		$('.prevslide').removeClass('prevslide');
		prevslide.addClass('prevslide');
		
		//Captions require img in <a>
		if (options.slide_captions == 1) $('#slidecaption').html($(nextslide).find('img').attr('title'));
		
		nextslide.hide().addClass('activeslide')
			if (options.transition == 0){
				nextslide.show(); $.inAnimation = false;
			}
			if (options.transition == 1){
				nextslide.fadeIn(2000, function(){$.inAnimation = false;});
			}
			if (options.transition == 2){
				nextslide.show("slide", { direction: "down" }, 'slow', function(){$.inAnimation = false;});
			}
			if (options.transition == 3){
				nextslide.show("slide", { direction: "left" }, 'slow', function(){$.inAnimation = false;});
			}
			if (options.transition == 4){
				nextslide.show("slide", { direction: "up" }, 'slow', function(){$.inAnimation = false;});
			}
			if (options.transition == 5){
				nextslide.show("slide", { direction: "right" }, 'slow', function(){$.inAnimation = false;});
			}
			
			$('#supersize').resizenow();//Fix for resize mid-transition
	}