مشكلة في برمجة صفحة إرسال رسائل الموقع

السلام عليكم ورحمة الله وبركاته

لقد واجهت مشكلة في هذا الكود الذي يقوم بإدخال البينات في قاعدة البيانات

لم أعرف ألسبب لعدم إكتمال الشرط وإدخال البيانات في قاعدة البيانات

<?include"css/header.php";?>
<div id="rightblock">
<?include"css/rblock.php";?>
</div>
<div id="leftblock">
<?include"css/lblock.php";?>
</div>
<div id="centerblock">
 <?
   /*CREATE TABLE  `send` (
 `id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
 `name` VARCHAR( 100 ) NOT NULL ,
 `title` VARCHAR( 300 ) NOT NULL ,
 `email` VARCHAR( 150 ) NOT NULL ,
 `msg` TEXT NOT NULL
) ENGINE = MYISAM ;*/
   $postname = addslashes(strip_tags($_POST['name']));
   $posttitle = addslashes(strip_tags($_POST['title']));
   $postemail = addslashes(strip_tags($_POST['email']));
   $postmsg = addslashes(strip_tags($_POST['msg']));
   if($_POST['send']){
      if($postname == '' or $posttitle == '' or $postemail == '' or $postmsg == '' ){
     echo"<script>alert(\"All Data Required\")</script>";
    }else if(strlen($postname) > 50){
       echo"<script>alert(\"The name is very long\")</script>";
    }else if(strlen($postname) < 3){
      echo"<script>alert(\"The Name is very short\")</script>";

    }else if (strlen($posttitle) > 100 ){
      echo"<script>alert(\"The Title is very long\")</script>";
    }else if (strlen($posttitle) < 10 ){
      echo"<script>alert(\"The Title is very short\")</script>";
    }else if (strlen($postmsg) > 300 ){
      echo"<script>alert(\"The Msg is very long\")</script>";
    }else if (strlen($postmsg) <20){
      echo"<script>alert(\"The Msg is very short\")</script>";
    }else if(!preg_match("/(\w+@[a-zA-Z_]+?\.[a-zA-Z]{2,4})/", $postemail)){
     echo"<script>alert(\"The Email is not true\")</script>";
    }else if($_SESSION['addmsg'] > time() -180){
     echo"<script>alert(\"Is not allowed to send more than one message in 3 minutes\")</script>";
    }else {
     $_SESSION['addmsg'] = time();
     $add = mysql_query("insert into send values ('','$postname','$posttitle','$postemail','$postmsg')");
      if($add){

        echo"<script>alert(\"The message was sent successfully\")</script>";
        echo"<script>alert(\"Will reply you soon\")</script>";
        echo'<meta http-equiv="refresh" content="0; url=send.php" />';
      }


    }
  }
 ?>
 <div id="BreakNews">ÚÇÌá
</div> <!-- end headoflist -->


<div id="news"><marquee align="right" behavior="scroll" direction="right" title="ÇáÇÎÈÇÑ ÇáÚÇÌáÉ" scrolldelay="105" onmouseover="this.stop()" onmouseout="this.start()"><a href="#">ÇáÈäß ÇáÅÓáÇãí ÇáÝáÓØíäí: áÍÞÊ ÈäÇ ÎÓÇÆÑ æÚáì ÇáãÊÖÑÑ ÇááÌæÁ ááÞÖÇÁ</a>  |  <a href="#">ÌãÚíÉ ÇáåáÇá ÇáÃÍãÑ ÊÎÊÊã "ÃãÓíÇÊ ÇáØáÇÆÚ" Ýí ÈáÏÉ ßÝÑ ËáË</a> | <a href="#">ÞæÇÊ ÇáÇÍÊáÇá ÊÚÊÞá ÔÎÕíä ãä ÈáÏÊí ÇáÙÇåÑíÉ æÏæÑÇ Ýí ÇáÎáíá</a></marquee>
</div> <!-- end headoflist -->


<br /><br />

<div id="headoflistcontactus">ÇáÇÊÕÇá ÈäÇ
</div> <!-- end headoflist -->

<div id="bodyofhead">

<form  method="post" >
<table width="100%" cellspacing="5px">

<tr>
<td>ÇÓã ÇáãÓÊÎÏã</td>
<td><input type="text" size="30" id="user" name="name" value="<?=$postname?>"  /></td>
</tr>

<tr>
<td>ÇáÈÑíÏ ÇáÇáßÊÑæäí</td>
<td><input type="text" size="30" id="user" name="email" value="<?=$postemail?>" /></td>
</tr>

<tr>
<td>ÚäæÇä ÇáÑÓÇáÉ</td>
<td><input type="text" size="30" id="user" name="title" value="<?=$posttitle?>"/></td>
</tr>

<tr>
<td>ÇáÑÓÇáÉ</td>
<td><textarea cols="30" rows="10" id="user" name="msg" ><?=$postmsg?></textarea></td>
</tr>

<tr>
<td colspan="2" align="center"><input type="submit" value="ÃÑÓá ÇáÑÓÇáÉ" id="login" name="send" /></td>
</tr>


</table>

 </form>
</div> <!-- end bodyofhead -->
</div>
<?include"css/footer.php";?>