// preload images
img1 = new Image(113, 59);
img1.src = 'images/r7_2.jpg';
img2 = new Image(113, 59);
img2.src = 'images/r7_2_r.jpg';

img3 = new Image(98, 59);
img3.src = 'images/r7_3.jpg';
img4 = new Image(98, 59);
img4.src = 'images/r7_3_r.jpg';

img5 = new Image(139, 59);
img5.src = 'images/r7_4.jpg';
img6 = new Image(139, 59);
img6.src = 'images/r7_4_r.jpg';

img7 = new Image(170, 59);
img7.src = 'images/r7_5.jpg';
img8 = new Image(170, 59);
img8.src = 'images/r7_5_r.jpg';

img9 = new Image(80, 59);
img9.src = 'images/r7_6.jpg';
img10 = new Image(80, 59);
img10.src = 'images/r7_6_r.jpg';

img11 = new Image(107, 59);
img11.src = 'images/r7_7.jpg';
img12 = new Image(107, 59);
img12.src = 'images/r7_7_r.jpg';

// rollover images
function roll(img, file){
	str = "document." + img + ".src = " + file + ".src;";
	eval(str);
}