function submit_email(email) {
 if(email != 'email@hier.nu') {
  top.frames["rightFrame"].location = 'emailsubscribe.php?email='+email
  if(document.getElementById('verstuur')) {
   document.getElementById('verstuur').style.display = 'none';
  }
  if(document.getElementById('email')) {
   document.getElementById('email').style.display = 'none';
  }
  if(document.getElementById('email_popup')) {
   document.getElementById('email_popup').style.display = 'none';
  }
 }
}