if (document.images) {
    img1 = new Image();
    img1.src = "./img/bck.jpg";
	img2 = new Image();
    img2.src = "./img/logo.png";
	
	img3 = new Image();
    img3.src = "./img/content/world.png";
	img4 = new Image();
    img4.src = "./img/content/compass.png";
	
	img5 = new Image();
    img5.src = "./img/content/sub_hover.png";
	img6 = new Image();
    img6.src = "./img/content/tytar_hover.png";
}