/* Author: Oskar */

$(window).load(function() {    

        var theWindow       = $(window),
            bg              = $("#bg"),
            aspectRatio     = bg.width() / bg.height();

        function resizeBg()
        {
        	if ( (theWindow.width() / theWindow.height()) < aspectRatio )
            	bg.removeClass().addClass('bgheight');
            else
                bg.removeClass().addClass('bgwidth');
        }

        theWindow.resize(function() {
                resizeBg();
        }).trigger("resize");

});