/*
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").show();
			$("#content").show();
		});
				
		$(document).ready(function() {
			$("#supersize").resizenow(); 
		});
		
		$(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() - options.offset_top;

			//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) + options.offset_top);
			}
			return false;
		});
	};
	
	$.fn.supersized.defaults = { 
			startwidth: 4,  
			startheight: 3,
			vertical_center: 1,
			offset_top: 0
	};
	
})(jQuery);