if (document.images) 
{
	img1 = new Image();
	img2 = new Image();
	img3 = new Image();
	img4 = new Image();

	img1.src = "images/navtitle_info_h.jpg.jpg";
	img2.src = "images/navtitle_meduslugi_h.jpg.jpg";
	img3.src = "images/navtitle_struktura_h.jpg.jpg";
	img4.src = "images/navtitle_zanas_h.jpg.jpg";
}