function playVideo(url, startimage) {
  new Ajax.Request("/playVideo.php?video="+url+"&startimage="+startimage, {
    method: 'get',
    onSuccess: function(transport) {
    new UI.Window({resizable: false, theme:  "mac_os_x", shadow: true, width:  330, height: 285, minimize: false, maximize: false}).setContent(transport.responseText).setPosition(100, 330).show(false);
    window.scrollTo(0, 0);
    }
  });
}