porque una parte del codigo me aparece en la pagina web

[maitara]

este es mi codigo entero cuando lo pongo entre <? y ?>
me sale este error

parse error syntax error,unexpected '}' in perfil.php on line 374

Código PHP:

<?
 
 
 
 
 
 
$add="imagenes/upimg/".$_FILES['fichero']['name']; // the path with the file name where the file will be stored, upload is the directory name. 
 
 
 
//echo $add;
if(move_uploaded_file ($_FILES['fichero']['tmp_name'],$add)){
echo "Successfully uploaded the mage";
chmod("$add",0777);
 
}else{
echo "Failed to upload file Contact Site admin to fix the problem";
exit;
}
 
 
 
///////// Start the thumbnail generation//////////////
$n_width=200;          // Fix the width of the thumb nail images
$n_height=200;         // Fix the height of the thumb nail imaage
////////////////////////////////////////////
 
$tsrc="imagenes/thimg/".$_FILES['fichero']['name'];   // Path where thumb nail image will be stored
//echo $tsrc;
if (!($_FILES['fichero']['type'] =="image/jpeg" OR $_FILES['fichero']['type']=="image/gif")){echo "Your uploaded file must be of JPG or GIF. Other file types are not allowed<BR>";
exit;}
/////////////////////////////////////////////// Starting of GIF thumb nail creation///////////
if (@$_FILES['fichero']['type']=="image/gif")
{
$im=ImageCreateFromGIF($add);
$width=ImageSx($im);              // Original picture width is stored
$height=ImageSy($im);                  // Original picture height is stored
$n_height=($n_width/$width) * $height; // Add this line to maintain aspect ratio
$newimage=imagecreatetruecolor($n_width,$n_height);
imageCopyResized($newimage,$im,0,0,0,0,$n_width,$n_height,$width,$height);
if (function_exists("imagegif")) {
Header("Content-type: image/gif");
ImageGIF($newimage,$tsrc);
}
elseif (function_exists("imagejpeg")) {
Header("Content-type: image/jpeg");
ImageJPEG($newimage,$tsrc);
}
chmod("$tsrc",0777);
}////////// end of gif file thumb nail creation//////////
 
////////////// starting of JPG thumb nail creation//////////
if($_FILES['fichero']['type']=="image/jpeg"){
$im=ImageCreateFromJPEG($add); 
$width=ImageSx($im);              // Original picture width is stored
$height=ImageSy($im);             // Original picture height is stored
$n_height=($n_width/$width) * $height; // Add this line to maintain aspect ratio
$newimage=imagecreatetruecolor($n_width,$n_height);                 
imageCopyResized($newimage,$im,0,0,0,0,$n_width,$n_height,$width,$height);
ImageJpeg($newimage,$tsrc);
chmod("$tsrc",0777);
}
 
////////////////  End of JPG thumb nail creation //////////
echo "<br>width = ($width) $n_width , height = ($height) $n_height "; 
                                                
?>
 
 
<?
 
 
  //insertamos en la BD los campos del form  
 if(isset($_SESSION['usuario_id'])) // Aqui actualizaremos el perfil del usuario en la base de datos y le mostraremos que esta conectado 
{ 
session_start(); 
$orden = ("select * from usuarios where usuario_id = ". $_SESSION['usuario_id'] .""); 
 
$reg = mysql_query("INSERT INTO datos (usuario_id, fichero, descripcion, usuario_freg) VALUES ('".$usuario_id."', '".$_FILES['fichero']['name']."', '".$descripcion."', NOW())");
    
   
} 
 
                                      }else{echo "no se guardo la foto, ni se inserto  en la Base de Datos";}  
                     }else{echo "no se subio foto";}  
           }else{echo "";}