function validate() {
//	var pattern = /^(\w+)$/;
//	var matchArray = document.getElementById("realname").value.match(pattern);
//	// if not a valid currency amount
//	if ( (matchArray == null) ) {
//		alert('Please ensure that a valid name is entered');
//		return false;
//	}
//	return true;
	
	if ( (document.getElementById("realname").value.length < 1) || (document.getElementById("add1").value.length < 1) || (document.getElementById("city").value.length < 1) || (document.getElementById("tel").value.length < 1)  ) {
		alert("Please give us your name, address, and telephone contact details.")
		return false;
	}	
	return true;
}