<?php
	if (isset($_POST["id"]))
	{
		$id=$_POST["id"];
	}
	else
	{
		$id="";
	}
	$rs="";
	include("../conn.php");
	$dq=mysqli_query($db, "SELECT * FROM `doczk` WHERE `n`='".$id."' AND `m`>'0' LIMIT 1;");
	while($res=mysqli_fetch_row($dq))
	{
		$rs="ex";
	}
	if ($rs=="ex")
	{
		print("ERR");
	}
	else
	{
		print("OK");
	}
?>