if (document.images) {
cubs_r1_c1_F1 = new Image(178,30); cubs_r1_c1_F1.src = "cubs/cubs_r1_c1.jpg";
cubs_r1_c1_F2 = new Image(178,30); cubs_r1_c1_F2.src = "cubs/cubs_r1_c1_F2.jpg";
cubs_r1_c3_F1 = new Image(83,71); cubs_r1_c3_F1.src = "cubs/cubs_r1_c3.jpg";
cubs_r1_c3_F2 = new Image(83,71); cubs_r1_c3_F2.src = "cubs/cubs_r1_c3_F2.jpg";
cubs_r1_c4_F1 = new Image(55,71); cubs_r1_c4_F1.src = "cubs/cubs_r1_c4.jpg";
cubs_r1_c4_F2 = new Image(55,71); cubs_r1_c4_F2.src = "cubs/cubs_r1_c4_F2.jpg";
cubs_r1_c5_F1 = new Image(59,71); cubs_r1_c5_F1.src = "cubs/cubs_r1_c5.jpg";
cubs_r1_c5_F2 = new Image(59,71); cubs_r1_c5_F2.src = "cubs/cubs_r1_c5_F2.jpg";
cubs_r1_c6_F1 = new Image(69,71); cubs_r1_c6_F1.src = "cubs/cubs_r1_c6.jpg";
cubs_r1_c6_F2 = new Image(69,71); cubs_r1_c6_F2.src = "cubs/cubs_r1_c6_F2.jpg";
cubs_r3_c2_F1 = new Image(145,20); cubs_r3_c2_F1.src = "cubs/cubs_r3_c2.jpg";
cubs_r3_c2_F2 = new Image(145,20); cubs_r3_c2_F2.src = "cubs/cubs_r3_c2_F2.jpg";
cubs_r4_c2_F1 = new Image(145,18); cubs_r4_c2_F1.src = "cubs/cubs_r4_c2.jpg";
cubs_r4_c2_F2 = new Image(145,18); cubs_r4_c2_F2.src = "cubs/cubs_r4_c2_F2.jpg";
}

/* Function that swaps images. */

function di20(id, newSrc) {
    var theImage = FWFindImage(document, id, 0);
    if (theImage) {
        theImage.src = newSrc;
    }
}

/* Functions that track and set toggle group button states. */

function FWFindImage(doc, name, j) {
    var theImage = false;
    if (doc.images) {
        theImage = doc.images[name];
    }
    if (theImage) {
        return theImage;
    }
    if (doc.layers) {
        for (j = 0; j < doc.layers.length; j++) {
            theImage = FWFindImage(doc.layers[j].document, name, 0);
            if (theImage) {
                return (theImage);
            }
        }
    }
    return (false);
}