function focusQSPostalCode()
{
	if(document.getElementById("qsPostalCode").value == "Uw postcode")
		document.getElementById("qsPostalCode").value = "";
}

function blurQSPostalCode()
{
	if(document.getElementById("qsPostalCode").value == "")
		document.getElementById("qsPostalCode").value = "Uw postcode";	
}