private static void fw_write(String msg, String file)
   {
       //System.out.print(msg);
       FileWriter fwriter = null;

       try
       {
           fwriter = new FileWriter(file, true);
       } catch (Exception ex)
       {
           ex.printStackTrace();
           System.out.println("Unwanted errors while opening file " + file);
       }

       try
       {
           fwriter.write(msg);
       } catch (Exception ex)
       {
           ex.printStackTrace();
           System.out.println("Unwanted errors while writing on file " + file);
       }

       try
       {
           fwriter.close();
       } catch (Exception ex)
       {
           ex.printStackTrace();
           System.out.println("Unwanted errors while closing file " + file);
       }
   }