function Enquiry_form_check(form)  {
	if (form.ContactName.value == "") {
		alert("Please enter your Contact Name");
		form.ContactName.focus();
		return false;
	}
	if (form.Telephone.value == "") {
		alert("Please enter your Telephone Number");
		form.Telephone.focus();
		return false;
	}
	if (form.EmailAddress.value == "") {
		alert("Please enter your Email Address");
		form.EmailAddress.focus();
		return false;
	}
	if (form.EmailAddress.value.indexOf('@',0)==-1 || form.EmailAddress.value.indexOf('.',0)==-1) {
		alert(form.EmailAddress.value + ", " + "is an invalid email address.")
		form.EmailAddress.focus();
		return false;
	}
	alert("Many thanks for entering your details. Please wait for the next page to load so that your enquiry will be submitted and someone will contact you shortly.");
}