img upload form

<? 
        $thumb = "images/gebruikers/thumbs/" . $_SESSION['ID'] . '.' . $x; //de map waar de thumbnails in komen(alleen tussen de quotes veranderen)

        $b = imagecreatefromjpeg($thumb) or die ('<Script language="JavaScript">window.alert("Jpg probleempje");</Script>');
        $bx = imagesx($b); // Bron breedte
        $by = imagesy($b); // bron hoogte
        $lm = $b;
        $width=150;
        $temp=$bx/150;
        $height=$by/$temp;
        if ($bx > $width) {
            $lm1 = imagecreatetruecolor($width ,$height) or die ('<Script language="JavaScript">window.alert("Probleem met maken van plaatje jpg");</Script>');
            imagecopyresampled($lm1, $lm, 0, 0, 0, 0, $width, $height, $bx, $by);
            Imagejpeg($lm1,$thumb,80); //80 is jpg kwaliteit
            imageDestroy($lm1);
            imageDestroy($lm);
        }
?>

<? 
        $thumb = "images/gebruikers/thumbs/" . $_SESSION['ID'] . '.' . $x; //de map waar de thumbnails in komen(alleen tussen de quotes veranderen)
 
        $b = imagecreatefromjpeg($thumb) or die ('<Script language="JavaScript">window.alert("Jpg probleempje");</Script>');
        $bx = imagesx($b); // Bron breedte
        $by = imagesy($b); // bron hoogte
        $lm = $b;
        $width=150;
        $temp=$bx/150;
        $height=$by/$temp;
        if ($bx > $width) {
            $lm1 = imagecreatetruecolor($width ,$height) or die ('<Script language="JavaScript">window.alert("Probleem met maken van plaatje jpg");</Script>');
            imagecopyresampled($lm1, $lm, 0, 0, 0, 0, $width, $height, $bx, $by);
            Imagejpeg($lm1,$thumb,80); //80 is jpg kwaliteit
            imageDestroy($lm1);
            imageDestroy($lm);
        }
?>

<?php
Imagejpeg($lm1, "",80);
?>

<?php
Imagejpeg($lm1, "",80);
?>