public static String formatearNombreCalle(String c){

		String[] l = c.toLowerCase().split(" ");
		String ret = "";

		for (String s : l){
			if (!s.isEmpty() && !s.equals("de") && !s.equals("del") && !s.equals("la") && !s.equals("las") && !s.equals("el") && !s.equals("los")){
				char mayus = Character.toUpperCase(s.charAt(0));
				ret += mayus + s.substring(1, s.length())+" ";
			}
			else
				ret += s+" ";
		}

		return ret.trim();
	}