function submitOnEnter(aField,aEvent) {
	var aKeyCode;
	if (window.event) {
		aKeyCode = window.event.keyCode;
	}
	else if (aEvent) {
		aKeyCode = aEvent.which;
	}
	if (aKeyCode==13) {
		aField.form.submit();
		return false;
	}
	return true;
}