/*
Supersized - Fullscreen Slideshow jQuery Plugin
Version 3.0 - Core
By Sam Dunn (www.buildinternet.com // www.onemightyroar.com)
Version: supersized.3.0.js
Website: www.buildinternet.com/project/supersized
*/

(function($){

        //Resize image on ready or resize
        $.fn.supersized = function() {

                var options = $.extend($.fn.supersized.defaults, $.fn.supersized.options);
                $.currentSlide = 0;

                //Set current image
                $("<img/>").attr("src", options.slides[$.currentSlide].image).appendTo("#supersized");

                $(window).bind("load", function(){

                        $('#loading').hide();
                        $('#supersized').fadeIn('fast');

                        $('#supersized').resizenow();

                });

                $(document).ready(function() {
                        $('#supersized').resizenow();
                });


                $(window).bind("resize", function(){
                    $('#supersized').resizenow();
                });

                $('#supersized').hide();
        };

        //Adjust image size
        $.fn.resizenow = function() {
                var t = $(this);
                var options = $.extend($.fn.supersized.defaults, $.fn.supersized.options);
                  return t.each(function() {

                        //Define image ratio
                        var ratio = options.startheight/options.startwidth;

                        //Gather browser and current image size
                        var imagewidth = t.width();
                        var imageheight = t.height();
                        var browserwidth = $(window).width();
                        var browserheight = $(window).height();
                        var offset;

                        //Resize image to proper ratio
                        if ((browserheight/browserwidth) > ratio){
                            t.height(browserheight);
                            t.width(browserheight / ratio);
                            t.children().height(browserheight);
                            t.children().width(browserheight / ratio);
                        } else {
                            t.width(browserwidth);
                            t.height(browserwidth * ratio);
                            t.children().width(browserwidth);
                            t.children().height(browserwidth * ratio);
                        }
                        if (options.vertical_center == 1){
                                t.children().css('left', (browserwidth - t.width())/2);
                                t.children().css('top', (browserheight - t.height())/2);
                        }
                        return false;
                });
        };

        $.fn.supersized.defaults = {
                        startwidth: 4,
                        startheight: 3,
                        vertical_center: 0
        };

})(jQuery);