if (document.images) {
pig_F1 = new Image(100,50); pig_F1.src = "images/pig.gif";
pig_F2 = new Image(100,50); pig_F2.src = "images/pig_f2.gif";
fwf_F1 = new Image(100,50); fwf_F1.src = "images/fwf.gif";
fwf_F2 = new Image(100,50); fwf_F2.src = "images/fwf_f2.gif";
haha_F1 = new Image(100,50); haha_F1.src = "images/haha.gif";
haha_F2 = new Image(100,50); haha_F2.src = "images/haha_f2.gif";
waltz_F1 = new Image(100,50); waltz_F1.src = "images/waltz.gif";
waltz_F2 = new Image(100,50); waltz_F2.src = "images/waltz_f2.gif";
order_F1 = new Image(100,50); order_F1.src = "images/order.gif";
order_F2 = new Image(100,50); order_F2.src = "images/order_f2.gif";
links_F1 = new Image(100,50); links_F1.src = "images/links.gif";
links_F2 = new Image(100,50); links_F2.src = "images/links_f2.gif";
}

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

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);
}