");
$chunk_luid = "x".$x."z".$z;
$chunk_img_name = $x_opener.$x.$z_opener.$z."$dot_and_ext";
$chunk_img_path = $chunkymapdata_path.'/'.$chunk_img_name;
if (is_file($chunk_img_path)) {
echo_hold( " ");
}
//echo " ".$x.",0,".$z; echo_hold( " | \r\n");
$x++;
}
echo_hold( "