/******************************************
/* Mascara para os campos
/*****************************************/

// Adiciona um evento a uma função/campo
addEvent = function(o, e, f, s){
    var r = o[r = "_" + (e = "on" + e)] = o[r] || (o[e] ? [[o[e], o]] : []), a, c, d;
    r[r.length] = [f, s || o], o[e] = function(e){
        try{
            (e = e || event).preventDefault || (e.preventDefault = function(){e.returnValue = false;});
            e.stopPropagation || (e.stopPropagation = function(){e.cancelBubble = true;});
            e.target || (e.target = e.srcElement || null);
            e.key = (e.which + 1 || e.keyCode + 1) - 1 || 0;
        }catch(f){}
        for(d = 1, f = r.length; f; r[--f] && (a = r[f][0], o = r[f][1], a.call ? c = a.call(o, e) : (o._ = a, c = o._(e), o._ = null), d &= c !== false));
        return e = null, !!d;
    }
};

// Remove um evento de uma função/campo
removeEvent = function(o, e, f, s){
    for(var i = (e = o["_on" + e] || []).length; i;)
        if(e[--i] && e[i][0] == f && (s || o) == e[i][1])
            return delete e[i];
    return false;
};

// Função que cria a maskara
MaskInput = function(f, m){ //v1.0
    function mask(e){
        var patterns = {"1": /[A-Z]/i, "2": /[0-9]/, "4": /[À-ÿ]/i, "8": /./ },
            rules = { "a": 3, "A": 7, "9": 2, "C":5, "c": 1, "*": 8};
        function accept(c, rule){
            for(var i = 1, r = rules[rule] || 0; i <= r; i<<=1)
                if(r & i && patterns[i].test(c))
                    break;
                return i <= r || c == rule;
        }
        var k, mC, r, c = String.fromCharCode(k = e.key), l = f.value.length;
        (!k || k == 8 ? 1 : (r = /^(.)\^(.*)$/.exec(m)) && (r[0] = r[2].indexOf(c) + 1) + 1 ?
            r[1] == "O" ? r[0] : r[1] == "E" ? !r[0] : accept(c, r[1]) || r[0]
            : (l = (f.value += m.substr(l, (r = /[A|9|C|\*]/i.exec(m.substr(l))) ?
            r.index : l)).length) < m.length && accept(c, m.charAt(l))) || e.preventDefault();
    }
    for(var i in !/^(.)\^(.*)$/.test(m) && (f.maxLength = m.length), {keypress: 0, keyup: 1})
        addEvent(f, i, mask);
};

// Formata uma data
var DATA 	 = "99/99/9999";
// Formata uma data no formato MES/ANO
var DATA_MES = "99/9999";
// Formata um Cpf
var CPF  	 = "999.999.999-99";
// Formata um CNPJ
var CNPJ 	 = "99.999.999/9999-99";
// Formata uma HORA
var HORA 	 = "99:99";
// Formata um TELEFONE
var FONE 	 = "(99) 9999-9999";
// Formata um CEP
var CEP  	 = "99999-999";

// Formata um VALOR
FormataValor = function(o, n, dig, dec) {
  o.c = !isNaN(n) ? Math.abs(n) : 2;
  o.dec = dec || ",", o.dig = dig || ".";
  addEvent(o, "keypress", function(e){
      if(e.key > 47 && e.key < 58){
          var o, s = ((o = this).value.replace(/^0+/g, "") + String.fromCharCode(e.key)).replace(/\D/g, ""), l, n;
          (l = s.length) <= (n = o.c) && (s = new Array(n - l + 2).join("0") + s);
          for(var i = (l = (s = s.split("")).length) - n; (i -= 3) > 0; s[i - 1] += o.dig);
          n && n < l && (s[l - ++n] += o.dec);
          o.value = s.join("");
      }
      e.key > 30 && e.preventDefault();
  });
};