hid_tel #####***####

String hid_tel(String tel){

		try {
			int temp_lengh = tel.length();
			String temp_orginal=tel;
			tel = tel.substring(tel.length() - 4);
			String firest_tel= temp_orginal.substring(0,5);
			StringBuffer bf = new StringBuffer();
			bf.append(firest_tel);
			for (int tok = 6; tok <= temp_lengh - 4; tok++) {
				bf.append('#');
			}
			bf.append(tel);
			return bf.toString();
		}catch (Exception e){

		}
		return "#####***####";
	}