function checkTracking( form_name ) {

	//  Clear ALL validation.
	Reset();
	ClearAll( form_name );

	AddValidationField( form_name, 'form[order_num]', '[0-9]', 'id_err' );
	AddValidationField( form_name, 'form[zip]', '[0-9]{5}', 'id_err' );

	if( Validate( form_name ) ) document.forms[ form_name ].submit();
	return false;
}