function popupQuiz()
{
  window.open("quiz-question.html",
              "windowQuiz",
              "width=500,height=500,status=yes,menubar=no,toolbar=no,scrollbars=yes,resizable=yes");
}

function popupJoin()
{
  window.open("elist.html",
              "windowJoin",
              "width=350,height=400,status=yes,menubar=no,toolbar=no,scrollbars=yes,resizable=yes");
}

function popupPhoto(strImage, strCaption, strCredit)
{
  strUrl  = "popup-photo.html?image=" + strImage + "&caption=" + strCaption + "&credit=" + strCredit;

  oWindow = window.open(strUrl, 'winPhoto',
   'width=400,height=500,status=no,menubar=no,toolbar=no,scrollable=yes,scrollbars=yes,resizable=yes');

  oWindow.focus();
}