$(function(){
	var compareRes = 0;
	
	function set_new_resolution(){
			var def_width = $(window).width(),
				def_height = $(window).height(),
				$container = $('#container'),
				aspect = $container.width()/$container.height(),
				new_width = parseInt(def_height * aspect);		
		
			//$('body').css('background-size', 'auto ' + def_height + 'px');
			if(new_width < def_width){
				$container.width(new_width);
				$container.height(def_height);
			} else {
				$container.width(def_width);
				$container.height(def_width/aspect);
			}		
			
			var checkRes = setInterval(function(){
				if($(window).height() != compareRes){
					compareRes = $(window).height();
					clearInterval(checkRes);
					set_new_resolution();										
				}
			}, 1000);			
	}
	
	set_new_resolution();
});