// Set headers!
if ( strpos($_SERVER['HTTP_USER_AGENT'], 'msie') || strpos($_SERVER['HTTP_USER_AGENT'], 'opera') )
{
	header( 'Content-Type: application/octetstream' );
	header( 'Content-Disposition: inline; filename="' . $file_info['full_name'] . '"' );
}
else if ( strpos($_SERVER['HTTP_USER_AGENT'], 'opera') )
{
	header( 'Content-Type: application/octetstream' );
	header( 'Content-Disposition: attachment; filename="' . $file_info['full_name'] . '"' );
}
else
{
	header( 'Content-Type: application/octet-stream' );
	header( 'Content-Disposition: attachment; filename="' . $file_info['full_name'] . '"' );
}

/*
// Set headers!
header( 'Content-Type: application/force-download' );
header( 'Content-Disposition: attachment; filename="' . $file_info['full_name'] . '"' );
*/
header( 'Content-Description: File Transfer' );
header( 'Content-Transfer-Encoding: binary' );
header( 'Expires: Mon, 26 Jul 1997 05:00:00 GMT' );
header( 'Cache-Control: must-revalidate' );
header( 'Pragma: public' );
header( 'Content-Length: ' . $download_size );
header( 'Content-Range: ' . $download_range );