function validate_file_upload_name($fname, $ext)
{
	$fname = trim($fname);
	$ext = trim($ext);
	if(!empty($fname))
	{
		if(!empty($ext))
		{	$fname = str_replace('.'.$ext,'',$fname);	}
		$fname = preg_replace('/\W/', '', $fname);
		if(strlen($fname) > 30)
		{	$fname = substr($fname,0,30);	}
	}
	return $fname;
}