var preloadFlag = false;
function preloadImages() {
    if (document.images) {
        pre_view_products_over = newImage('images/view-products_over.gif');
        pre_view_products_over = newImage('images/view-products_over.gif');
        preloadFlag = true;
    }
}
function newImage(arg) {
    if (document.images) {
        rslt = new Image();
        rslt.src = arg;
        return rslt;
    }
}

function changeImagesArray(array) {
    if (preloadFlag == true) {
        var d = document; var img;
        for (var i=0; i<array.length; i+=2) {
            img = null; var n = array[i];
            if (d.images) {img = d.images[n];}
            if (!img && d.getElementById) {img = d.getElementById(n);}
            if (img) {img.src = array[i+1];}
        }
    }
}

function changeImages() {
    changeImagesArray(changeImages.arguments);
}