function loadImage(id, url, w, h)
{
    var nImg = document.createElement('img');
    nImg.src = url;
    nImg.width = w;
    nImg.height = h;
    nImg.id = id;

    var pImg = document.getElementById(id);
    var parentNode = pImg.parentNode;

    parentNode.removeChild(pImg);
    parentNode.appendChild(nImg);
}

function showSendForm(formId)
{
    var f = document.getElementById(formId);
    if (f.style.display == 'none') {
        f.style.display = 'block';
    }
    else {
        f.submit();
    }
}