function make_thumbnail($file,$dest2,$wi,$h){
list($width,$height,$type,$attr)=getimagesize($file);
switch($type) {
case 1:$in_jpg=imagecreatefromgif($file);break;
case 2:$in_jpg=imagecreatefromjpeg($file);break;
case 3:$in_jpg=imagecreatefrompng($file);break;
default...