//Background
(function($){

$.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');
		$('#content').show();
		if ($('#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();
		if (options.slideshow == 1){
			if (options.slide_counter == 1){
				$('#slidecounter .slidenumber').html(1);
				$('#slidecounter .totalslides').html($("#supersize > *").size());
			}
			slideshow_interval = setInterval("nextslide()", options.slide_interval);
			if (options.navigation == 1){
				$('#navigation a').click(function(){  
					$(this).blur();  
					return false;  
				}); 	
				$('#nextslide').click(function() {
					if($.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");
				});
				
				$('#pauseplay').click(function() {
					if($.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;
				});
			}
		}
	});
			
	$(document).ready(function() {
		$('#supersize').resizenow(); 
	});
	
	$('#supersize > *').hover(function() {
		if (options.slideshow == 1 && options.pause_hover == 1){
			if(!($.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();
};

$.fn.resizenow = function() {
	var options = $.extend($.fn.supersized.defaults, $.fn.supersized.options);
	return this.each(function() {
		
		var ratio = options.startheight/options.startwidth;
		
		var imagewidth = $(this).width();
		var imageheight = $(this).height();
		var browserwidth = $(window).width();
		var browserheight = $(window).height();
		var offset;

		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, 
		pause_hover: 0,
		slide_counter: 1,
		slide_captions: 1,
		slide_interval: 5000
};
	
})(jQuery);

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');
	
	
	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');
	
	if (options.slide_captions == 1) $('#slidecaption').html($(nextslide).find('img').attr('title'));
	
	nextslide.hide().addClass('activeslide')
		if (options.transition == 0){
			nextslide.show(); $.inAnimation = false;
		}
		if (options.transition == 1){
			nextslide.fadeIn(750, function(){$.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();
	
}

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');
	
	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');
	
	if (options.slide_captions == 1) $('#slidecaption').html($(nextslide).find('img').attr('title'));
	
	nextslide.hide().addClass('activeslide')
		if (options.transition == 0){
			nextslide.show(); $.inAnimation = false;
		}
		if (options.transition == 1){
			nextslide.fadeIn(750, function(){$.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();
}