function pop() {
  popupWin = window.open('include/useragreement.html', 'Participant','location=no,scrollbars=yes,width=450,height=300'); 
  window.name = 'BBBopener';
}

function pop2() {
  popupWin = window.open('include/privacy.html', 'Participant','location=no,scrollbars=yes,width=450,height=300'); 
  window.name = 'BBBopener';
}


function pop3() {
  popupWin = window.open('include/conditions.html', 'Participant','location=no,scrollbars=yes,width=450,height=300'); 
  window.name = 'BBBopener';
}


function pop4() {
  popupWin = window.open('include/account_type.html', 'Participant','location=no,scrollbars=yes,width=450,height=300'); 
  window.name = 'BBBopener';
}