function newImage(arg) {
        if (document.images) {
                rslt = new Image();
                rslt.src = arg;
                return rslt;
        }
}

function changeImages() {
        if (document.images && (preloadFlag == true)) {
                for (var i=0; i<changeImages.arguments.length; i+=2) {
                        document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
                }
        }
}

var preloadFlag = false;
function preloadImages() {
        if (document.images) {
                index_03_over = newImage("/img/index/index_03-over.gif");
                Untitled_1_03_over = newImage("/img/index/Untitled-1_03-over.gif");
                index_15_over = newImage("/img/index/index_15-over.gif");
                index_19_over = newImage("/img/index/index_19-over.gif");
                index_21_over = newImage("/img/index/index_21-over.gif");
                index_24_over = newImage("/img/index/index_24-over.gif");
                index_37_over = newImage("/img/index/index_37-over.gif");
                index_41_over = newImage("/img/index/index_41-over.gif");
                index_44_over = newImage("/img/index/index_44-over.gif");
                index_48_over = newImage("/img/index/index_48-over.gif");
                preloadFlag = true;
        }
}
