function popup(URL)
{
  window.open(URL, 'Miranet', 'width=450,height=260,location=no,menubar=no,directories=no,toolbar=no,scrollbars=yes,resizable=no,status=no');
}

function popup2(URL)
{
  window.open(URL, 'Miranet', 'width=430,height=180,location=no,menubar=no,directories=no,toolbar=no,scrollbars=no,resizable=no,status=no');
}

function popup800(URL)
{
  window.open(URL, 'Miranet', 'width=820,height=650,location=no,menubar=no,directories=no,toolbar=no,scrollbars=no,resizable=no,status=no');
}

function popup640(URL)
{
  window.open(URL, 'Architectuur', 'width=660,height=500,location=no,menubar=no,directories=no,toolbar=no,scrollbars=no,resizable=no,status=no');
}

function adfopop(URL)
{
  window.open(URL, 'Architectuur', 'width=450,height=180,location=no,menubar=no,directories=no,toolbar=no,scrollbars=yes,resizable=no,status=no');
}