public String return_ascii (String msg)
	{
		char c;
		int j;
		String result="";
	     for ( int i = 0; i < msg.length(); ++i ) {
		       c = msg.charAt( i );
		       j = (int) c;
		       //System.out.print(j);
		       result+=j;
		       }
	     return result;
	}