function popup(theUrl)
{
    window.open(theUrl, '', 'width=720,height=512,resizable=0,scrollbars=1', true);
    return false;
}

function popup2(theID)
{
    window.open('http://www.ecmvjmed.it/schedavjm.php?idvj=' + theID,'', 'width=720,height=512,resizable=0,scrollbars=1', true);
    return false;
}