img0_on = new Image(160,246);
img0_on.src="img9.jpg";
img0_off = new Image(160,246);
img0_off.src="img2.jpg";

img1_on = new Image(160,246);
img1_on.src="img1.jpg";
img1_off = new Image(160,246);
img1_off.src="img3.bmp";

img2_on = new Image(160,246);
img2_on.src="img7.jpg";
img2_off = new Image(160,246);
img2_off.src="img6.jpg";

img3_on = new Image(160,246);
img3_on.src="img10.jpg";
img3_off = new Image(160,246);
img3_off.src="img5.jpg";

img4_on = new Image(160,240);
img4_on.src="img8.jpg";
img4_off = new Image(160,240);
img4_off.src="img4.jpg";
  

function over_image(parm_name)
    {
        document[parm_name].src = eval(parm_name + "_on.src");
    }
function off_image(parm_name)
    {
        document[parm_name].src = eval(parm_name + "_off.src");
    }