function DoeSubmitTellFForm(form)
{
	// error elementen verbergen
	//form_error_off('warning_voornaam_afzender');
	//form_error_off('warning_achternaam_afzender');
	//form_error_off('warning_emailadres_afzender');
	//form_error_off('warning_emailadres_ontvanger');
	//formuliervelden normaal tonen
	form_border_off('voornaam');
	//form_border_off('achternaam');
	//form_border_off('emailadres_afzender');
	//form_border_off('emailadresTo');

	if (form.voornaam.value.length<2)
		{
		form_border_on('voornaam');
		form.voornaam.focus();
		errorbox_show(10,"absolute","80px","450px");
		return false;
		}
		else if(form.achternaam.value.length<2)
			{
			errorbox_show(11,"absolute","95px","450px");
			form_border_on('achternaam');
			form.achternaam.focus();
			return false;
			}
			else if(form.emailadres_afzender.value.length<5)
				{
				errorbox_show(12,"absolute","110px","450px");
				form_border_on('emailadres_afzender');
				form.emailadres_afzender.focus();
				return false;
				}
				else if (checkEmailAddr(form.emailadres_afzender.value) != 1) {
					errorbox_show(13,"absolute","100px","450px");
					form_border_on('emailadres_afzender');
					form.emailadres_afzender.focus();
					return false;
				   }
					//Ontvanger
					else if(form.emailadresto.value.length<5)
						{
						errorbox_show(14,"absolute","130px","450px");
						form_border_on('emailadresto');
						form.emailadresto.focus();
						return false;
						}
						else if (checkEmailAddr(form.emailadresto.value) != 1) {
							errorbox_show(15,"absolute","130px","450px");
							form_border_on('emailadresto');
							form.emailadresto.focus();
							return false;
						    }
							//als alles in orde is het formulier verwerken
							document.getElementById('sendFriendButton').disabled = true;
							//form.submit();
							return true;
}