// Pass the function data as a string and TRUE boolean value to wait for the reply (blocking)
private string SendServerData(string sData, bool bReadWait)
		{
			try
			{
				
				tcpclnt = new TcpClient();
				tcpclnt.Connect(new IPEndPoint(IPAddress.Parse(this.config.sIpAddress), this.config.nPort));
				stm = tcpclnt.GetStream();
				const int byteCount = 300;
				int readBytes = 0;
				
				writeToServer(sData);
				
				if(bReadWait)
				{
					bool exit = false;
	
					while(!exit)
					{
						try
						{	readBuffer = new Byte[byteCount];
							readBytes = stm.Read(readBuffer,0,byteCount);
												
							if(Encoding.ASCII.GetString(readBuffer,0,readBytes).Length > 0)
								exit = true;
						}
				
						catch (Exception){break;}
					}
					
					stm.Close(); 
					tcpclnt.Close();
					
					return Encoding.ASCII.GetString(readBuffer,0,readBytes);
				}
				else
					return "";
			}
			catch(SocketException sockexcep)
			{
				cwp.mobile.utils.DisplayError(sockexcep);
					
				return "-1";
			}
			catch(Exception e)
			{
				cwp.mobile.utils.DisplayError(e);
				
				return "-1";
			}
		}
		
		private void writeToServer(string sData)
		{
			
			ASCIIEncoding encord = new ASCIIEncoding();
			writeBuffer = encord.GetBytes(sData);
			
			if(stm != null)
				stm.Write(writeBuffer,0,writeBuffer.Length);
		}