function DeleteThumbAndImage($name) {
  unlink('Imgs/'.preg_replace('/(.*)\.[^.]*/','\\1_thumb.jpg',$name));
  unlink('Imgs/'.$name);
}

function CreateThumbAndCopyImage($fpath,$name) {
  $tmp = 'Imgs/'.$name;
  if (is_uploaded_file($fpath)) { if (@move_uploaded_file($fpath,$tmp) == false) die('image_process_error_1'); }
  else if (rename($fpath,$tmp) == false) die('image_process_error_1');
  $fpath = $tmp;
  $nameonly = preg_replace('/(.*)\.[^\.]*/','\\1',$name);
  $nameextonly = substr($name,strlen($nameonly));
  switch (strtolower($nameextonly)) {
    case '.jpg':
    case '.jpeg':
      $sourceimg = imagecreatefromjpeg($fpath);
      break;
    case '.png':
      $sourceimg = imagecreatefrompng($fpath);
      break;
    case '.gif':
      $sourceimg = imagecreatefromgif($fpath);
      break;
  }
  if (!$sourceimg) die('image_process_error_2');

  $sourcewidth = imagesx($sourceimg);
  $sourceheight = imagesy($sourceimg);

  $targetwidthlimit = 85;
  $targetheightlimit = 75;

  if (($targetwidthlimit / $sourcewidth) < ($targetheightlimit / $sourceheight)) $sizingpercent = $targetwidthlimit/$sourcewidth;
  else $sizingpercent = $targetheightlimit/$sourceheight;

  $targetwidth = round($sourcewidth*$sizingpercent);
  $targetheight = round($sourceheight*$sizingpercent);

  $destimg = imagecreatetruecolor($targetwidth,$targetheight);
  if (!$destimg) {
    @imagedestroy($sourceimg);
    die('image_process_error_3');
  }
  imagecopyresampled($destimg,$sourceimg,0,0,0,0,$targetwidth,$targetheight,$sourcewidth,$sourceheight);
  @mkdir('Imgs');
  if (imagejpeg($destimg,'Imgs/'.$nameonly.'_thumb.jpg') == false) {
    @imagedestroy($destimg);
    @imagedestroy($sourceimg);
    die('image_process_error_4');
  }
  @imagedestroy($destimg);
  @imagedestroy($sourceimg);
}