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