public String displayStateFullName(String abbr) {
  			String tmp = null;
  			switch(abbr){
  				case "AL": tmp = "Alabama"; break;
  				case "AK": tmp = "Alaska"; break;
  				case "AZ": tmp = "Arizona"; break;
  				case "AR": tmp = "Arkansas"; break;
  				case "CA": tmp = "California"; break;
  				default: tmp = "Null"; break;
  				// more states here
  			}
  			return tmp;
  		}