$Qu=mysql_query("select * from (workin left join member on workin.idmember=member.idmember) where workin.idmember='1245412121244' and workin.time='' ");
$date=$_REQUEST[' ตัวแปรที่ส่งมา '];
$Qu=mysql_query("select * from (workin left join member on workin.idmember=member.idmember) where workin.date='$date' and workin.time='' ");