function check_required( obj, rqfield, rqtitle )	{
	for( i = 0; i < rqfield.length; i++ )	{
		field = eval( 'obj.' + rqfield[ i ] + '.value' );

		if( ! field )	{
			alert( rqtitle[ i ] );
			return false;
		}
	}

	return true;
}