function submitzoekform()
 {
	alert("Geef a.u.b. een zoekterm in.");
	document.forms.zoeken.submit
	return false;
 }

function DoeReset(form)
{
form.reset();
}

function checkEmailAddr(email) {
	var i, iat = -1, idot = -1, iany = -1, c;
	if (email.length < 8) return -1;
	for (i = 0; i < email.length; i++) {
		c = email.charAt(i).toLowerCase();
		if (c == '@') {
			if (iat != -1 || i < 2 || (iany != -1 && i - iany < 2)) return -2;
			iat = i;
			iany = i;
		}
		else if (c == '.') {
			if (i < 1 || (iany != -1 && i - iany < 2)) return -3;
			idot = i;
			iany = i;
		}
		else if ('abcdefghijklmnopqrstuvwxyz0123456789-_+'.indexOf(c) == -1) return -4;
	}
	if (iat == -1 || idot == -1 || idot < iat || i - iany < 2) return -5;
	return 1;
}

function checkEmail(field) {
  if (field.value.indexOf("@") == -1) {
    //alert("Vul a.u.b. geldig E-mail adres in.");
	//document.getElementById('error_email').style.visibility='visible';
	//document.getElementById('error_email').style.display='block';
	field.focus();
	field.blur();
	field.select();
  }
  else {
 if (field.value.indexOf(".") == -1) {
    //alert("Vul a.u.b. geldig E-mail adres in.");
	//document.getElementById('error_emailF').style.visibility='visible';
	//document.getElementById('error_emailF').style.display='block';
	field.focus();
	field.blur();
	field.select();
  }
 }
}

function DoeSubmitEmailSimple(form)
	{
	document.getElementById('error_geslacht').style.visibility='hidden';
	document.getElementById('error_geslacht').style.display='none';
	document.getElementById('error_voornaam').style.visibility='hidden';
	document.getElementById('error_voornaam').style.display='none';
	document.getElementById('error_achternaam').style.visibility='hidden';
	document.getElementById('error_achternaam').style.display='none';
	document.getElementById('error_email').style.visibility='hidden';
	document.getElementById('error_email').style.display='none';
	document.getElementById('error_emailF').style.visibility='hidden';
	document.getElementById('error_emailF').style.display='none';
	
	if( !document.formpje.geslacht[0].checked && !document.formpje.geslacht[1].checked)
		{
		document.getElementById('error_geslacht').style.visibility='visible';
		document.getElementById('error_geslacht').style.display='block';
		}
	else
	{
	if (form.voornaam.value=="")
		{
		document.getElementById('error_voornaam').style.visibility='visible';
		document.getElementById('error_voornaam').style.display='block';
		form.voornaam.focus()
		}
	else
		{
		if(form.achternaam.value=="")
			{
			document.getElementById('error_achternaam').style.visibility='visible';
			document.getElementById('error_achternaam').style.display='block';
			form.achternaam.focus()
			}
			else
 				{
				if(form.email.value=="")
				{
				document.getElementById('error_email').style.visibility='visible';
				document.getElementById('error_email').style.display='block';
				form.email.focus();
				}
				else
				{
				if (checkEmailAddr(form.email.value) != 1) {
					document.getElementById('error_emailF').style.visibility='visible';
					document.getElementById('error_emailF').style.display='block';
				    form.email.focus();
				   }
				else
				{
				if (form.vraag.value=="") {
					document.getElementById('error_vraag').style.visibility='visible';
					document.getElementById('error_vraag').style.display='block';
				    form.vraag.focus();
				   }
					else
					form.submit();
					}
					}
				}
			}	
		}
	}