function displayMsg(message) {
    window.status=message
}

function preloadImages() {
    if (document.images) {
       var imgFiles = preloadImages.arguments;
       var preloadArray = new Array();
       for (var i=0; i < imgFiles.length; i++) {
            preloadArray[i] = new Image;
            preloadArray[i].src = imgFiles[i];
       }
    }
}

function swap(id, newsrc) {
    var theImage = locateImage(id);
    if (theImage) {
        theImage.src = newsrc;
    }
}

function locateImage(name) {
    var theImage = false;
    if (document.images) {
        theImage = document.images[name];
    }
    if (theImage) {
        return theImage;
    }
    return (false);
}