var img1, img2, img3, img4, img5, img6, img7, dir;
dir = "images/";
img1 = dir+"bg-button.gif";
img2 = dir+"nav-bg-left.gif";
img3 = dir+"nav-bg-right.gif";
img4 = dir+"nav-bg.gif";
img5 = dir+"nav-button-sel.gif";
img6 = dir+"nav-button-sep.gif";
img7 = dir+"nav-button.gif";