function noImg(id) {
    document.getElementById(id).src = 'http://www.healthstorebargains.com/images/nopic.jpg';
}    

function imgResize(id, width, height) {
    img = document.getElementById(id);
    if (img.height > height) {
        img.height = height;
    }    
    if (img.width > width) {
        img.width = width;
    }    
}