(function($){$.fn.fullscreenr = function(options) {if(options.height === undefined) alert('Please supply the background image height, default values will now be used. These may be very inaccurate.');if(options.width === undefined) alert('Please supply the background image width, default values will now be used. These may be very inaccurate.');if(options.bgID === undefined) alert('Please supply the background image ID, default #bgimg will now be used.');var defaults = { width: 1280,  height: 1024, bgID: 'bgimg' };var options = $.extend({}, defaults, options); $(document).ready(function() { $(options.bgID).fullscreenrResizer(options);});$(window).bind("resize", function() { $(options.bgID).fullscreenrResizer(options); });return this; };$.fn.fullscreenrResizer = function(options) {var ratio = options.height / options.width;var browserwidth = $(window).width();var browserheight = $(window).height();if ((browserheight/browserwidth) > ratio){$(this).height(browserheight);$(this).width(browserheight / ratio);} else {$(this).width(browserwidth);$(this).height(browserwidth * ratio);}$(this).css('left', (browserwidth - $(this).width())/2);$(this).css('top', (browserheight - $(this).height())/2);return this; };})(jQuery);