function newsletter_nl()
{
	if (newsletter_form.elements["voorletters"].value == '')
	{
		alert('U dient uw voorletters in te vullen');
		newsletter_form.elements["voorletters"].focus();
		return false;
	}
	else if (newsletter_form.elements["achternaam"].value == '')
	{
		alert('U dient uw achternaam in te vullen');
		newsletter_form.elements["achternaam"].focus();
		return false;
	}
	else if (newsletter_form.elements["email"].value == '')
	{
		alert('U dient uw e-mailadres in te vullen');
		newsletter_form.elements["email"].focus();
		return false;
	}
	else
	{
		newsletter_form.submit();
	}
}


function newsletter_en()
{
	if (newsletter_form.elements["voorletters"].value == '')
	{
		alert('Insert your initials');
		newsletter_form.elements["voorletters"].focus();
		return false;
	}
	else if (newsletter_form.elements["achternaam"].value == '')
	{
		alert('Insert your last name');
		newsletter_form.elements["achternaam"].focus();
		return false;
	}
	else if (newsletter_form.elements["email"].value == '')
	{
		alert('Insert your e-mail address');
		newsletter_form.elements["email"].focus();
		return false;
	}
	else
	{
		newsletter_form.submit();
	}
}