function resize() {

	var bg = document.getElementById('bg');
	var ship = document.getElementById('ship');
	

	var stageH = $(window).height();
	var stageW = $(window).width();
	
	var scale;
	
	
	if (stageW/stageH > 1280/900) {
		bg.style.width = stageW+"px";
		bg.style.height = stageW*900/1280+"px";
	} else {
		bg.style.height = stageH+"px";
		bg.style.width = stageH*1280/900+"px";		
	}
	
	
	scale = stageH/900;
	ship.style.width = Math.round(1280*scale)+"px";
	ship.style.jeight = Math.round(900*scale)+"px";
	
	
}