need help resizing images

<?php
//session_start();
include("./admin/config.php");
include("$include_path/common.php");

global $HTTP_POST_VARS,$HTTP_GET_VARS,$HTTP_SESSION_VARS,$HTTP_POST_FILES;
global $_SESSION;

if ($HTTP_POST_VARS!="")
    $_POST=$HTTP_POST_VARS;

if ($HTTP_GET_VARS!="")
    $_GET=$HTTP_GET_VARS;

if ($HTTP_SESSION_VARS!="")
   $_SESSION=$HTTP_SESSION_VARS;

if ($HTTP_POST_FILES!="")
   $_FILES=$HTTP_POST_FILES;


check_user_login();

$img_src = "";

include("$include_path/$table_file");

if(isset($_POST['delete_image']))
{
    
    $sql = "
        select
            concat(id, '.', image_ext) as image
        from
            $tb_users
        where
            id = '$_SESSION[userid]'
    ";
    $query = mysql_query($sql) or die(mysql_error());
    
    $file = $image_path . "/" . mysql_result($query, 0, "image");
    
    if(file_exists($file))
    {
        
        if(unlink($file)){
            drop_rotation($_SESSION['userid']);
            set_notfound_image($_SESSION['userid']);
            $message = "Tu foto ha sido borrada.";
        } else {
            $message = "Ha ocurrido un error, tu foto no se ha podido borrar.";
        }

    } else {
        $message = "No se encontro ninguna foto.";
    }
}

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

    $sql = "
                select
                    total_files
                from
                    $tb_users
                where
                    id = '$_SESSION[userid]'
    ";
    $query = mysql_query($sql) or die(mysql_error());
    $total = mysql_result($query, 0, "total_files");

    if ($total <= 20) 
    {

        $sql = "
            select
                image_status
            from
                $tb_users
            where
                id = '$_SESSION[userid]'
        ";
        $query = mysql_query($sql) or die(mysql_error());
    
        $res = mysql_fetch_array($query);
        if ($res['image_status']!="disabled")
        {

            $upload_image_error = false;
            $allowed = false;

            $the_file_ext_array = explode(".", $_FILES['the_file']['name']);
            $the_file_ext = $the_file_ext_array[sizeof($the_file_ext_array)-1];

            if(!strlen($_FILES['the_file']['name'])) 
            {
            
                $upload_image_error = true;
                $message = "No subiste nada!<br><br>";
        
            }

            $sql = "
                select
                *
                from
                $tb_image_types
            ";
            $query = mysql_query($sql) or die(mysql_error());
    
            while($array = mysql_fetch_array($query))
                if($the_file_ext == $array["ext"]) $allowed = true;
    
            if(!$allowed)
            {

                $upload_image_error = true;
            
                $message = "El tipo de archivo no es permitido<br>solo puedes subir:<br><br>";

                $ssql = "
                    select
                        *
                    from
                        $tb_image_types
                ";
                $squery = mysql_query($ssql) or die(mysql_error());
            
                while($sarray = mysql_fetch_array($squery))
                    $message .= "." . $sarray["ext"] . "<br>";

            }
    
            if($allowed)
            {
            
            // echo " tmp ".$_FILES['the_file']['tmp_name'];

                $size = getimagesize($_FILES['the_file']['tmp_name']);
                list($foo, $width, $bar, $height) = explode("\"", $size[3]);
        
                if($width > $max_image_width)
                {
            
                    $upload_image_error = true;
                    
                    $message = "Tu imagen no puede ser mas de " . $max_image_width . " píxeles de ancho<br><br>";
                }
        
                if($height > $max_image_height)
                {
    
                    $upload_image_error = true;

                    $message = "Tu imagen no puede ser mas de " . $max_image_height . " píxeles de alto<br><br>";
                }
    
            }

            if(!$upload_image_error)
            {
                $sql = "
                    select
                        total_files
                    from
                        $tb_users
                    where
                        id = '$_SESSION[userid]'
                ";
                $query = mysql_query($sql) or die(mysql_error());
                $total = mysql_result($query, 0, "total_files");
                $number = $total + 1;
                $main_picture= $_POST['pic_type'];

                if($total && $main_picture=="y") {
                    $number=1;
                }                
                $file_name = $_SESSION['userid'] . "_$number." . $the_file_ext;

                if(isset($_POST['overwrite']))
                {
                    if(move_uploaded_file($_FILES['the_file']['tmp_name'], $image_path . "/" . $file_name)) 
                    {
                        if($main_picture=="y") {
                                                update_ext($the_file_ext, $_SESSION['userid']);
                        }
                        $newest_sql ="select * from $tb_newest_pictures where user_id ='$_SESSION[userid]' and image_number ='$number' ";
                        $newest_res = mysql_query($newest_sql);
                        if(mysql_num_rows($newest_res) ) {
                            $newest_picture_sql ="update $tb_newest_pictures set upload_time=now() where user_id ='$_SESSION[userid]' and image_number ='$number' ";
                            mysql_query($newest_picture_sql);
                            echo mysql_error();    
                        } 
                        else {
                            $newest_picture_sql ="insert into  $tb_newest_pictures(user_id,image_number,upload_time) values ('$_SESSION[userid]','$number',now() ) ";
                            mysql_query($newest_picture_sql);
                            echo mysql_error();    
                        }
                if ($automatically_approve_picture=="no"){
                        $message = "Tu foto se subio eitosamente. Porfavor espera 24 horas hasta que sea revisada."; }
                else {
                        $message = "Tu imagen fue subida exitosamente."; }

                                            $uid=$_SESSION['userid'];
                                                    $main=$_POST['pic_type'];
        
                                                if($main == "n")
                                                    $desc=$_POST['pic_desc'];
                                                    $sql="insert into $tb_upload_image_details (id,user_id,total_file_count,main,description)
                                         values('',$uid,$number,'$main','$desc')";

                                                mysql_query($sql);
                        if($main == "n") {    
                            $sql = "update $tb_users set total_files=total_files+1 where id = '$_SESSION[userid]' ";
                            $query = mysql_query($sql) or die(mysql_error());
                        }
                        else {
                             if(!$total) {    
                            $sql = "update $tb_users set total_files=total_files+1 where id = '$_SESSION[userid]' ";
                            $query = mysql_query($sql) or die(mysql_error());
                             }    
                        }

                    } 
                    else 
                    {
    
                        $message = "Tu imagen no se pudo subir, ocurrió un error de escritura.";    
                    }
    

                    update_url("here", "", $_SESSION['userid']);

                    if ($automatically_approve_picture=="yes")
                            approve_image($_SESSION['userid']);
                    else 
                            queue_image($_SESSION['userid']);

                    $imgsrc="$dat_base_url/images/$file_name";

                    NewImageAddedNotification($_SESSION['userid'], $imgsrc);
                }
                else 
                {
            
                    if (!@copy($_FILES['the_file']['tmp_name'], $image_path . "/" . $file_name))
                    {
                
                        $message = "Tu nueva foto no se pudo subir.";    
            
                    } 
                    else 
                    {
                
                        $message = "Tu nueva imagen fue subida exitosamente.";
                        update_ext($the_file_ext, $_SESSION['userid']);
            
                    }
            
                    update_url("here", "", $_SESSION['userid']);
            
                    if ($automatically_approve_picture=="yes")
                        approve_image($_SESSION['userid']);
                    else
                        queue_image($_SESSION['userid']);

                    $imgsrc="$dat_base_url/images/$file_name";

                    NewImageAddedNotification($_SESSION['userid']);

                }
            } // if (uploade_image_error)

        } // if (disabled)
        else
        {
            $message = "Tu foto fue desabilitada por el administrador.";
        }
    }
    else
    {
        $message = "Exediste el limite para subir imagenes...";
    }
}

if(isset($_POST['submit_image_url'])){
    $message = del_image($_SESSION[userid]);
    $message = update_url($_POST['update_where'], $_POST['new_image_url'], $_SESSION['userid']);

}

include("$include_path/doc_head.php");
include("$include_path/styles.php");


include ("Ads_new.php");
include("$include_path/right.php");
include("$include_path/left.php");


// start content


$form = "";
$location = "";

if(isset($message)){
$message_code = <<<EOF
<table cellpadding="5" cellspacing="5" border="0">
<tr>
<td class="s9">$message</td>
</tr>
</table>
EOF;
}

$user_id = isset($_SESSION['userid']) ? $_SESSION['userid'] : 0;

$image_src = get_image($user_id,3);

include("$include_path/image_rules.php");
$image_code = $image_rules;


$tpl->assign(array('IMAGE_SRC' => $image_src));
$tpl->parse('IMAGE_CODE', 'upload_image_code');
$image_code .= $tpl->fetch('IMAGE_CODE');


if($allow_local_image == 1){
  $tpl->assign(array('MAX_IMAGE_SIZE' => $max_image_size));
  
  $location = query_where($user_id);
  
  if($location == "here" || !$allow_remote_image){
    $tpl->assign(array('CHECKED_LOCAL_IMAGE' => ' checked'));
      $img_src = "";
  }
  
  $tpl->parse('FIELD_LOCAL_IMAGES', 'field_local_image');
} else {
  $tpl->clear_dynamic('field_local_image');
}

if($allow_remote_image == 1){
  if($location == "there" or $allow_local_image == 0) {
    $tpl->assign(array('CHECKED_REMOTE_IMAGE' => " checked"));
  }
  
  $the_img_src = strstr($img_src, "notfound_image") ? "" : $img_src;
  $tpl->assign(array('THE_IMG_SRC' => $the_img_src));
  
  $tpl->parse('FIELD_REMOTE_IMAGE', 'field_remote_image');
} else {
  $tpl->clear_dynamic('field_remote_image');
}



$tpl->parse('FORM', 'upload_form');
$form = $tpl->fetch('FORM');

$title = "Subir Foto";

if(isset($_SESSION['userid']))
    $content .= $image_code;

if(isset($message_code)) $content .= $message_code;

if(isset($_SESSION['userid'])) $content .= $form;

$final_output = table($title, $content);


$tpl->assign(array('CONTENT_TEXT' => $final_output));
$tpl->parse('PAGE', 'main');
$final_output = $tpl->fetch('PAGE');



$final_output = final_output($final_output);

//echo $final_output;
include ("copy.php");

function NewImageAddedNotification($uid, $img)
{
    global $tb_users, $tb_user_types, $dat_base_url, $owner_email, $tb_email_templates;

    $sql = "select u.username, ut.user_type from $tb_users u, $tb_user_types ut where u.id = '$uid' and u.user_type=ut.id ";
    $res = mysql_query($sql);
    echo mysql_error();

    if ($data = mysql_fetch_row($res))
    {
    $username = $data[0];
    $usertype = $data[1];
    }    
     
     $mailheader="From: ".$owner_email;
     $mailheader.="\r\nMIME-Version: 1.0\r\n";
     $mailheader.="Content-type: text/html; charset=iso-8859-1\r\n";

     $subject = "Nueva imagen agregada en $dat_base_url ";

    $sql = "select  file_content  from $tb_email_templates  where file_name = 'new_image_notification' ";
    $res = mysql_query($sql);
    echo mysql_error();

    if ($data = mysql_fetch_row($res))
    {
    $message = $data[0];    
    }    

    
    $message = ereg_replace("<<BASE_URL>>",$dat_base_url, $message);
    $message = ereg_replace("<<USERNAME>>",$username, $message);
    $message = ereg_replace("<<USERTYPE>>",$usertype, $message);
    $message = ereg_replace("<<IMAGE_SRC>>",$img, $message);
    
    $to = $owner_email;
    mail($to, $subject, $message, $mailheader);        
}

?>