/**
 * This function displays an image on the heartlands image gallery
 */
function displayImage(url, name, caption)
{
    target_image   = document.getElementById('imageCloseupImage');
    target_header  = document.getElementById('imageCloseupHeader');
    target_caption = document.getElementById('imageCloseupCaption');
    
    target_image.src = url;
    target_image.alt = name;
    target_header.innerHTML = name;
    target_caption.innerHTML = caption;
}