private function loadImage($imgname, $type)
{
switch ($type) {
case 'image/gif':
$im = $this->LoadGif($imgname);
break;
case 'image/jpeg':
case 'image/jpg':
$im = $this->LoadJpeg($imgname);
break;
case 'image/png':
$im = $this->LoadPNG($imgname);
}
return $im;
}