if (document.images) {
com_F1 = new Image(119,23); com_F1.src = "images/com.jpg";
com_F2 = new Image(119,23); com_F2.src = "images/com_F2.jpg";
let_F1 = new Image(119,23); let_F1.src = "images/let.jpg";
let_F2 = new Image(119,23); let_F2.src = "images/let_F2.jpg";
can_F1 = new Image(119,23); can_F1.src = "images/can.jpg";
can_F2 = new Image(119,23); can_F2.src = "images/can_F2.jpg";
cli_F1 = new Image(119,23); cli_F1.src = "images/cli.jpg";
cli_F2 = new Image(119,23); cli_F2.src = "images/cli_F2.jpg";
subj_F1 = new Image(119,23); subj_F1.src = "images/subj.jpg";
subj_F2 = new Image(119,23); subj_F2.src = "images/subj_F2.jpg";
lej_F1 = new Image(119,23); lej_F1.src = "images/lej.jpg";
lej_F2 = new Image(119,23); lej_F2.src = "images/lej_F2.jpg";
res_F1 = new Image(119,23); res_F1.src = "images/res.jpg";
res_F2 = new Image(119,23); res_F2.src = "images/res_F2.jpg";
subr_F1 = new Image(119,23); subr_F1.src = "images/subr.jpg";
subr_F2 = new Image(119,23); subr_F2.src = "images/subr_F2.jpg";
int_F1 = new Image(119,23); int_F1.src = "images/int.jpg";
int_F2 = new Image(119,23); int_F2.src = "images/int_F2.jpg";
dir_F1 = new Image(119,23); dir_F1.src = "images/dir.jpg";
dir_F2 = new Image(119,23); dir_F2.src = "images/dir_F2.jpg";
cont_F1 = new Image(119,23); cont_F1.src = "images/cont.jpg";
cont_F2 = new Image(119,23); cont_F2.src = "images/cont_F2.jpg";
sea_F1 = new Image(119,23); sea_F1.src = "images/sea.jpg";
sea_F2 = new Image(119,23); sea_F2.src = "images/sea_F2.jpg";
home_F1 = new Image(29,10); home_F1.src = "images/home.jpg";
home_F2 = new Image(29,10); home_F2.src = "images/home_F2.jpg";
}

/* function that swaps images */

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);
}