PDF bestanden uploaden.

function thumb($File,$Size = 120,$ImgMap,$type){
    if($type == "image/gif"){
        $photo = imagecreatefromgif($ImgMap.'/'.$File);
    }elseif($type == "image/pjpeg" or $type == "image/jpeg"){
        $photo = imagecreatefromjpeg ($ImgMap.'/'.$File);
    }elseif($type == "image/x-png" or $type == "image/png"){
        $photo = imagecreatefrompng($ImgMap.'/'.$File);
	}elseif($type == "application/pdf" or $type == "application/PDF"){
        $photo = imagecreatefrompng($ImgMap.'/'.$File);
    }else{
        echo"Ongeldig type.<br \>";
        return;
    }
    $photo_dimensions_width = imagesx ($photo);
    $photo_dimensions_height = imagesy ($photo);
    
    if ($photo_dimensions_width > $Size OR $photo_dimensions_height > $Size) {
        if ($photo_dimensions_width == $photo_dimensions_height) {
            $thumb_dimensions_width = $Size;
            $thumb_dimensions_height = $Size;
        }

        elseif ($photo_dimensions_width > $photo_dimensions_height) {
            $value = $photo_dimensions_width / $Size;
            $thumb_dimensions_width = $Size;
            $thumb_dimensions_height = round ($photo_dimensions_height / $value);
        }

        else {
            $value = $photo_dimensions_height / $Size;
            $thumb_dimensions_height = $Size;
            $thumb_dimensions_width = round ($photo_dimensions_width / $value);
        }
    }

    else {
        $thumb_dimensions_width = $photo_dimensions_width;
        $thumb_dimensions_height = $photo_dimensions_height;
    }
    
    $Cut = strrpos($File,'.');
    $File = substr($File,0,$Cut);

    $create_thumb = imagecreatetruecolor ($thumb_dimensions_width, $thumb_dimensions_height);
    imagecopyresampled ($create_thumb, $photo, 0, 0, 0, 0, $thumb_dimensions_width, $thumb_dimensions_height, $photo_dimensions_width, $photo_dimensions_height);
    ImageJpeg($create_thumb,$ImgMap.'/'.$File.".jpg",90);
    Imagedestroy($photo);

}
?>

<?
if(isset($_GET['p'])){
    if($_GET['p'] == "AddNews"){
        if($_SERVER['REQUEST_METHOD'] == "POST"){
            unset($_SESSION['Message']);
            unset($_SESSION['Title']);
			unset($_SESSION['link']);
			unset($_SESSION['pdf']);
            $_SESSION['Message'] = $_POST['Message'];
            $_SESSION['Title'] = $_POST['Title'];
			$_SESSION['link'] = $_POST['link'];
			$_SESSION['pdf'] = $_POST['pdf'];
            if(isset($_POST['AddFile'])){
                if(!empty($_FILES['Picture']['tmp_name'])){
                    //Filename
                    $FileName = time() ."-".$_FILES['Picture']['name'];
                    
                    // Toegestaande extensies opvragen
                    $ext = strtolower($ext);
                    $ext = explode(" ", $ext);
                    
                    //Toegestaande types opvragen
                    $type = strtolower($type);
                    $type = explode(" ",$type);
                    
                    $Pos = strrpos(strtolower($_FILES['Picture']['name']),'.');
                    $FileExt = substr (strtolower($_FILES['Picture']['name']), $Pos+1);
                    
                    foreach($ext as $Value){
                        if($FileExt == $Value){
                            $ContrExt = TRUE;
                        }
                    }
                    
                    foreach($type as $Value){
                        if(strtolower($_FILES['Picture']['type']) == $Value){
                            $ContrType = TRUE;
                        }
                    }
                    
                    if($ContrType == TRUE && $ContrExt == TRUE){
                        if(move_uploaded_file($_FILES['Picture']['tmp_name'],"./".$ImgMap."/". $FileName)){
                            chmod("./".$ImgMap."/".$FileName,0644);
                            if(!empty($_POST['Thumb'])){
                                thumb($FileName,$_POST['Thumb'],$ImgMap,$_FILES['Picture']['type']);
                                
                                $Cut = strrpos($FileName,'.');
                                $File = substr($FileName,0,$Cut);
                                $File.='.jpg';
                                
                                if(mysql_query("INSERT INTO ".$SqlPrefix."pic (news_id,name,original,thumb) VALUES('". session_id() ."','". $FileName ."','".$_FILES['Picture']['name']."','".$File."')")){
                                    $Disp = $_FILES['Picture']['name']." succesvol toegevoegd, en thumb succesvol gemaakt met een maximale grootte van ". $_POST['Thumb']."px";
                                }else{
                                    $Disp = "MySql error:<br \>".mysql_error();
                                }
                            }else{
                                if(mysql_query("INSERT INTO ".$SqlPrefix."pic (news_id,name,original) VALUES('". session_id() ."','". $FileName ."','".$_FILES['Picture']['name']."')")){
                                    $Disp = $_FILES['Picture']['name']." succesvol toegevoegd.";
                                }else{
                                    $Disp = "MySql error:<br \>".mysql_error();
                                }
                            }
                        }else{
                            $Disp="Foto kon niet geupload worden, mogelijk bestaat de map img/ niet of heeft u te weinig rechten.";
                        }
                    }else{
                        $Disp="Bestand met incorrecte bestandsnaam of inhoud,".$FileExt."<br \>".$_FILES['Picture']['type'];
                    }
                }else{
                    $Disp="Geen foto geselecteerd.";
                }
            }else{