function changeMethod(contactType){
	if(contactType == 'telephone'){
		document.getElementById('contactMethod').innerHTML = "Telephone Number:";
		document.getElementById('contactMethodRow').style.display = 'block';
		document.getElementById('radioTelephone').checked=true;
	} else {
		document.getElementById('contactMethod').innerHTML = "Email Address:";
		document.getElementById('contactMethodRow').style.display = 'block';
		document.getElementById('radioEmail').checked=true;
	}
}
function validateForm(){
	if(document.frmContact.Contact_Details.value.length < 10){
		alert('Error on submission:\nContact details should be greater than 10 characters.\n\nPlease select your preferred contact method and enter your details.');
	} else {
		document.frmContact.submit();
	}											
}