var isInput = false;

function checkEnquete()
{
	var retval = true;
	
	if (document.getElementById("txtCompany").value.length == 0) retval = false;
	if (document.getElementById("txtAddress").value.length == 0) retval = false;
	if (document.getElementById("txtPostalcode").value.length == 0) retval = false;
	if (document.getElementById("txtCity").value.length == 0) retval = false;
	if (document.getElementById("txtTelephone").value.length == 0) retval = false;
	if (document.getElementById("txtFax").value.length == 0) retval = false;
	if (document.getElementById("txtEmail").value.length == 0) retval = false;
	if (document.getElementById("txtContact").value.length == 0) retval = false;
	
	if (!retval)
		alert("Bitte geben Sie alle Kontakt Informationen.");
	else if (!isInput)
		retval = confirm("Sie haben keine Antworten eingeführt. Möchten Sie fortfahren?");
	
	return retval;
}

function doInput()
{
	isInput = true;
}

function validate() {
	if (document.getElementById("name").value.length > 0 &&
			(document.getElementById("email").value.length > 0 ||
			document.getElementById("phone").value.length > 0))
	return true;
	alert("De volgende velden zijn verplicht in te voeren:\n\n- Naam\n- E-mailadres en/of telefoonnummer");
	return false;
}

function init() {
	if (document.getElementById('divMiddle').offsetHeight > document.getElementById('divLeft').offsetHeight)
		document.getElementById('divLeft').style.height = document.getElementById('divMiddle').offsetHeight;
}