<!-- 

function missingField() {

var emailField = document.enquiryForm.email.value;
var dot = emailField.indexOf(".");
var at = emailField.indexOf("@");

	if (document.enquiryForm.realname.value == "") {
		alert("Please enter your name")
		document.enquiryForm.realname.focus();
		return false;
		}
	if ((document.enquiryForm.email.value == "") && (document.enquiryForm.phone.value == "")) {
		alert("Please enter a phone number or an e-mail address");
		document.enquiryForm.email.focus();
		return false;
		}
	if ((document.enquiryForm.email.value != "") && (document.enquiryForm.phone.value == "")) {
		if ((dot == -1) || (at == -1)) {
			alert("Please enter a valid e-mail address");
			document.enquiryForm.email.value = "";
			document.enquiryForm.email.focus();
			return false;
			}
		}
	return true;
	}

// -->