create a "select element"

/* written by LiYongQuan */
/* fetch data from a table, this table must contain two columns, one is department's ID, and another is department's name */
");
while($row=mysql_fetch_array($result))
    {if($specify==$row["DID"])
        $sel="selected";
     else $sel="";
     $DID=$row["DID"];
     $DName=$row["DName"];
     echo("$DName");
    }
if($all=="T")
    {if($specify=="%")
        $sel="selected";
      else
        $sel="";
      echo("所有部门");
    }
echo("");
mysql_close($con);
unset($result);
}