function submit_mail(e) {
	if (typeof e != 'undefined' && !enter_key_trap(e)) {
		return;
	}

	if (document.mailform.name.value == "") {
		alert("Please provide your full name");
		document.mailform.name.focus();
		return false;
	} else if (document.mailform.email.value == "") {
		alert("Please provide your email address");
		document.mailform.email.focus();
		return false;
	} else if (document.mailform.department.value == "") {
		alert("Please select a department");
		document.mailform.department.focus();
		return false;
	} else if (document.mailform.subject.value == "") {
		alert("Please enter a subject");
		document.mailform.subject.focus();
		return false;
	} else if (document.mailform.mailbody.value == "") {
		alert("Please enter a message");
		document.mailform.mailbody.focus();
		return false;
	} else {
		document.mailform.submitButton.disabled = true;
		document.mailform.submit();
		return true;
	}
}