// JScript File
var source = 0;
var replacement = 1;

function createRollOver(originalImage, replacementImage) {
    var imageArray = new Array;
    imageArray[source] = new Image;
    imageArray[source].src = originalImage;
    imageArray[replacement] = new Image;
    imageArray[replacement].src = replacementImage;
    return imageArray;
}

function roll(targetImage, displayImage) {
    targetImage.src = displayImage.src;
}