imgZoom100 = new Image();
imgZoom100.src = "/style/zoom-100.gif";
imgZoom100_over = new Image();
imgZoom100_over.src = "/style/zoom-100-over.gif";

imgZoom50 = new Image();
imgZoom50.src = "/style/zoom-50.gif";
imgZoom50_over = new Image();
imgZoom50_over.src = "/style/zoom-50-over.gif";

imgZoom20 = new Image();
imgZoom20.src = "/style/zoom-20.gif";
imgZoom20_over = new Image();
imgZoom20_over.src = "/style/zoom-20-over.gif";