diff --git a/tctable/Tools.java b/tctable/Tools.java
index db48d39..b2fc07a 100644
--- a/tctable/Tools.java
+++ b/tctable/Tools.java
@@ -2,6 +2,11 @@ package tctable;
 
 //import android.util.Log;
 
+//import org.ccalm.dbms.AcceptJSON;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+
 import java.io.ByteArrayOutputStream;
 
 import java.io.DataInputStream;
@@ -12,14 +17,32 @@ import java.net.InetAddress;
 import java.nio.ByteBuffer;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
+import java.util.Arrays;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.io.UnsupportedEncodingException;
 import java.util.Calendar;
 import java.util.TimeZone;
 
+import logging.Logger;
+
 public class Tools {
 
+	private static final Logger logger = Logger.getLogger(Tools.class);
+
+	public static JSONObject createJSONError(int code, String message, String setting, String marker) {
+		JSONObject json = new JSONObject();
+        try {
+            json.put("error_code", code);
+			json.put("error_message", Arrays.asList(message));
+			json.put("error_setting", Arrays.asList(setting));
+			json.put("error_marker", marker);
+        } catch (JSONException e) {
+			logger.error(e.getMessage());
+        }
+		return json;
+	}
+
 	public static String readStringFromInputStream(InputStream inputStream) {
 		ByteArrayOutputStream result = new ByteArrayOutputStream();
 		byte[] buffer = new byte[1024];
@@ -399,7 +422,7 @@ public class Tools {
 	//Из руского DOC в юникод
 	public static String fromDOStoASCII(byte[] str)
 	{
-		StringBuilder rez = new StringBuilder();
+		StringBuilder rez = new StringBuilder(1024);
 		for(int i=0; i <str.length; i++)
 		{
 			switch ((char)str[i])
@@ -1013,7 +1036,7 @@ public class Tools {
 	{
 		if(cutInt)
 		{
-			StringBuilder val= new StringBuilder();
+			StringBuilder val= new StringBuilder(1024);
 			for(int i=0;i<str.length();i++)
 			{
 				if((str.charAt(i)=='-' && (val.length()==0 || val.charAt(0)!='-'))  || str.charAt(i)=='0' || str.charAt(i)=='1' || str.charAt(i)=='2' || str.charAt(i)=='3' || str.charAt(i)=='4' || str.charAt(i)=='5' || str.charAt(i)=='6' || str.charAt(i)=='7' || str.charAt(i)=='8' || str.charAt(i)=='9')
@@ -1038,7 +1061,7 @@ public class Tools {
 	//Из казахского ASCII в юникод см: http://foxtools.ru/ASCII#1251
 	public static String fromKAZASCII(byte[] str)
 	{
-		StringBuilder rez = new StringBuilder();
+		StringBuilder rez = new StringBuilder(1024);
 		for (int i = 0; i < str.length; i++)
 		{
 			switch ((char) str[i])