function Enquiry_form_check(form)  {
	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;
	}
	if (form.CourseTitle.value == "") {
		alert("Please enter your Course Title");
		form.CourseTitle.focus();
		return false;
	}
	if (form.CourseDate.value == "") {
		alert("Please enter your Course Date");
		form.CourseDate.focus();
		return false;
	}
	if (form.ParticipantName.value == "") {
		alert("Please enter your Participant Name");
		form.ParticipantName.focus();
		return false;
	}
	if (form.TelephoneNumber.value == "") {
		alert("Please enter your Telephone Number");
		form.TelephoneNumber.focus();
		return false;
	}
	if (form.Address.value == "") {
		alert("Please enter your Address");
		form.Address.focus();
		return false;
	}
		if (form.PostCode.value == "") {
		alert("Please enter your PostCode");
		form.PostCode.focus();
		return false;
	}
		if (form.ContactName.value == "") {
		alert("Please enter your Contact Name");
		form.ContactName.focus();
		return false;
	}
		if (form.ContactTelephoneNumber.value == "") {
		alert("Please enter your Contact Telephone Number");
		form.ContactTelephoneNumber.focus();
		return false;
	}
	alert("Thanks for entering your details.");
}