function contact(contact)
{
  if(
      document.getElementById('naam').value != "" &&
      document.getElementById('voornaam').value != "" &&
      document.getElementById('nummer').value != "" &&
      document.getElementById('gemeente').value != "" &&
      document.getElementById('postcode').value != "" &&
	  document.getElementById('emailadres').value != "" &&
      document.getElementById('notes').value != ""
    )
  {
  return true;
  }
  else
  {
  alert("Gelieve de verplichte velden in te vullen aub");
  return false;
  }
}

function registreer(registreer)
{
		if
		(
		document.getElementById('naam').value != "" &&
		document.getElementById('voornaam').value != "" &&
		document.getElementById('straat').value != "" &&
		document.getElementById('nummer').value != "" &&
		document.getElementById('postcode').value != "" &&
		document.getElementById('gemeente').value != "" &&
		document.getElementById('emailadres').value != ""
		)
		{
			return true;
		}
		else
		{
			alert("Gelieve de verplichte velden in te vullen aub");
			return false;
		}
}

function verifybutton(verifybutton)
{
	return confirm("Weet u het zeker");
}

function adjuser(adjuser)
{
  if(
      document.getElementById('naam').value != "" &&
      document.getElementById('voornaam').value != "" &&
	  document.getElementById('email').value != "" &&
	  document.getElementById('login').value != "" &&
	  document.getElementById('wachtwoord').value != ""
    )
  {
  return confirm("Weet u het zeker");
  }
  else
  {
  alert("gelieve alles in te vullen");
  return false;
  }
}