function check_images()
{
    images = document.images.length;
    for (i=0;i<images;i++) {
        image = document.images[i]
        if (image.width ==1) {
            image.parentNode.parentNode.style.visibility = 'hidden';
            image.parentNode.parentNode.style.width = 0;
            image.parentNode.parentNode.style.padding = 0;
            image.parentNode.parentNode.style.margin = 0;
        }
        else {
            image.style.visibility = 'visible';
            image.width = 50;
            image.height = 50;
        }
    }
}