img0 = new Image();
img0.src = "images/navi/00.gif";
img_ro0 = new Image();
img_ro0.src = "images/navi/00-ro.gif";

img1 = new Image();
img1.src = "images/navi/01.gif";
img_ro1 = new Image();
img_ro1.src = "images/navi/01-ro.gif";

img2 = new Image();
img2.src = "images/navi/02.gif";
img_ro2 = new Image();
img_ro2.src = "images/navi/02-ro.gif";

img3 = new Image();
img3.src = "images/navi/03.gif";
img_ro3 = new Image();
img_ro3.src = "images/navi/03-ro.gif";

img4 = new Image();
img4.src = "images/navi/04.gif";
img_ro4 = new Image();
img_ro4.src = "images/navi/04-ro.gif";

img5 = new Image();
img5.src = "images/navi/05.gif";
img_ro5 = new Image();
img_ro5.src = "images/navi/05-ro.gif";

img6 = new Image();
img6.src = "images/navi/06.gif";
img_ro6 = new Image();
img_ro6.src = "images/navi/06-ro.gif";

function setImage(imageId, imageVar)
{
	if (document.getElementById(imageId))
		document.getElementById(imageId).src = imageVar.src;
}