help with php edit script

[Hitman]

hello guys i want to create a php scripts that would edit and the chapter title and number under the book title category... how can i do it please help thanks

here is my script

PHP Code:

<?php



ini_set ('display_errors',1);

error_reporting (E_ALL & ~E_NOTICE);



ob_start();



include ("includes/header.inc");



if (isset ($_POST['submit']))             {



        $book = $_POST['booktitle'];

    $cookie = 0;



        include ("dbconnection.php");

        

         $result = mysql_query("UPDATE book SET booktitle = '{$_POST['booktitle']}' , bookdesc = '{$_POST['bookdesc']}' WHERE bookid = '{$_POST['bookid']}'");

         

        

         

          if ($result == 1)   {

                            

                

                       echo '<div align="center"><b>The Book as updated.</b><br /><br /><a href="addbooks.php"><font color="blue"><b>Back</b></font></a>';

                       

                       

                       }  else  {



                          echo "Could not add the entry because:

                             <b>" . mysql_error() . "</b>.  The query was $query.</p>";

            

            }

               

           

        mysql_close();   

    } 

    

?>



<form action="editbook.php" method="post" enctype="multipart/form-data" name="form1">

              <table width="570" height="293" border="0" align="center" cellpadding="0" cellspacing="0">

                <tr>

                  <td width="124" height="30"><div align="right"><strong>Select Book:</strong></div></td>

                  <td width="9">&nbsp;</td>

                  <td width="429"><select name="position1"  id="position1">

                  

<?



               include("dbconnection.php");





        $position1 = mysql_query("SELECT bookid, booktitle from book order by booktitle");



    while($row = mysql_fetch_array($position1, MYSQL_NUM)) {





            echo "<option value=\"$row[0]\">$row[1]</option>\n";

                      }



?>

                  </select></td>

                </tr>

                <tr>

                  <td height="31"><div align="right"><strong>Book Title:</strong></div></td>

                  <td>&nbsp;</td>

                  <td><input name="booktitle" type="text" size="40"></td>

                </tr>

                <tr>

                  <td height="200"><div align="right"><strong>Book Description:</strong></div></td>

                  <td>&nbsp;</td>

                  <td><textarea name="bookdesc" cols="40" rows = "10" colums = "100"></textarea></td>

                </tr>

                <tr>

                  <td height="30">&nbsp;</td>

                  <td>&nbsp;</td>

                  <td><input type="submit" name="submit" value="submit"></td>

                </tr>

              </table>

            </form>

<?



include ("includes/footer.inc");



?>