// Formata o campo valor monetário
function formataValor(campo, evt) {
    //1.000.000,00
    evt = getEvent(evt);
    var tecla = getKeyCode(evt);
    if (!teclaValida(tecla))
        return;

    vr = campo.value = filtraNumeros(filtraCampo(campo));
    tam = vr.length;

    if (tam <= 2) {
        campo.value = vr;
    }
    if ((tam > 2) && (tam <= 5)) {
        campo.value = vr.substr(0, tam - 2) + ',' + vr.substr(tam - 2, tam);
    }
    if ((tam >= 6) && (tam <= 8)) {
        campo.value = vr.substr(0, tam - 5) + '.' + vr.substr(tam - 5, 3) + ',' + vr.substr(tam - 2, tam);
    }
    if ((tam >= 9) && (tam <= 11)) {
        campo.value = vr.substr(0, tam - 8) + '.' + vr.substr(tam - 8, 3) + '.' + vr.substr(tam - 5, 3) + ',' + vr.substr(tam - 2, tam);
    }
    if ((tam >= 12) && (tam <= 14)) {
        campo.value = vr.substr(0, tam - 11) + '.' + vr.substr(tam - 11, 3) + '.' + vr.substr(tam - 8, 3) + '.' + vr.substr(tam - 5, 3) + ',' + vr.substr(tam - 2, tam);
    }
    if ((tam >= 15) && (tam <= 18)) {
        campo.value = vr.substr(0, tam - 14) + '.' + vr.substr(tam - 14, 3) + '.' + vr.substr(tam - 11, 3) + '.' + vr.substr(tam - 8, 3) + '.' + vr.substr(tam - 5, 3) + ',' + vr.substr(tam - 2, tam);
    }
}

// Formata data no padrão DD/MM/YYYY
function formataData(campo, evt) {
    //dd/MM/yyyy
    evt = getEvent(evt);
    var tecla = getKeyCode(evt);
    if (!teclaValida(tecla))
        return;
    vr = campo.value = filtraNumeros(filtraCampo(campo));
    tam = vr.length;

    if (tam >= 2 && tam < 4)
        campo.value = vr.substr(0, 2) + '/' + vr.substr(2);
    if (tam == 4)
        campo.value = vr.substr(0, 2) + '/' + vr.substr(2, 2) + '/';
    if (tam > 4)
        campo.value = vr.substr(0, 2) + '/' + vr.substr(2, 2) + '/' + vr.substr(4);
    //if (tam >= 5 && tam <= 10)
    //    campo.value = vr.substr(0, 2) + '/' + vr.substr(2, 2) + '/' + vr.substr(4, 4);
}

// Formata só números
function formataInteiro(campo, evt) {
    //1234567890
    evt = getEvent(evt);
    var tecla = getKeyCode(evt);
    if (!teclaValida(tecla))
        return;

    campo.value = filtraNumeros(filtraCampo(campo));
}

// Formata hora no padrao HH:MM
function formataHora(campo, evt) {
    //HH:mm
    evt = getEvent(evt);
    var tecla = getKeyCode(evt);
    if (!teclaValida(tecla))
        return;

    vr = campo.value = filtraNumeros(filtraCampo(campo));

    if (tam == 2)
        campo.value = vr.substr(0, 2) + ':';
    if (tam > 2 && tam < 5)
        campo.value = vr.substr(0, 2) + ':' + vr.substr(2);
}

// Formata o campo quando é digitado somente o mês e o ano
function formataMesAno(campo, evt) {
    //MM/yyyy
    evt = getEvent(evt);
    var tecla = getKeyCode(evt);
    if (!teclaValida(tecla))
        return;

    vr = campo.value = filtraNumeros(filtraCampo(campo));
    tam = vr.length;

    if (tam > 2 && tam < 5)
        campo.value = vr.substr(0, tam - 2) + '/' + vr.substr(tam - 2, tam);
    if (tam >= 5 && tam <= 10)
        campo.value = vr.substr(0, 2) + '/' + vr.substr(2, 4);
}

// Formata o campo CNPJ
function formataCNPJ(campo, evt) {
    //99.999.999/9999-99
    evt = getEvent(evt);
    var tecla = getKeyCode(evt);
    if (!teclaValida(tecla))
        return;

    vr = campo.value = filtraNumeros(filtraCampo(campo));
    tam = vr.length;

    if (tam <= 2) {
        campo.value = vr;
    }
    if ((tam > 2) && (tam <= 6)) {
        campo.value = vr.substr(0, tam - 2) + '-' + vr.substr(tam - 2, tam);
    }
    if ((tam >= 7) && (tam <= 9)) {
        campo.value = vr.substr(0, tam - 6) + '/' + vr.substr(tam - 6, 4) + '-' + vr.substr(tam - 2, tam);
    }
    if ((tam >= 10) && (tam <= 12)) {
        campo.value = vr.substr(0, tam - 9) + '.' + vr.substr(tam - 9, 3) + '/' + vr.substr(tam - 6, 4) + '-' + vr.substr(tam - 2, tam);
    }
    if ((tam >= 13) && (tam <= 14)) {
        campo.value = vr.substr(0, tam - 12) + '.' + vr.substr(tam - 12, 3) + '.' + vr.substr(tam - 9, 3) + '/' + vr.substr(tam - 6, 4) + '-' + vr.substr(tam - 2, tam);
    }
    if ((tam >= 15) && (tam <= 17)) {
        campo.value = vr.substr(0, tam - 14) + '.' + vr.substr(tam - 14, 3) + '.' + vr.substr(tam - 11, 3) + '.' + vr.substr(tam - 8, 3) + '.' + vr.substr(tam - 5, 3) + '-' + vr.substr(tam - 2, tam);
    }
}

// Formata o campo CPF
function formataCPF(campo, evt) {
    //999.999.999-99
    evt = getEvent(evt);
    var tecla = getKeyCode(evt);
    if (!teclaValida(tecla))
        return;

    vr = campo.value = filtraNumeros(filtraCampo(campo));
    tam = vr.length;
    if (tam <= 2) {
        campo.value = vr;
    }
    if (tam > 2 && tam <= 5) {
        campo.value = vr.substr(0, tam - 2) + '-' + vr.substr(tam - 2, tam);
    }
    if (tam >= 6 && tam <= 8) {
        campo.value = vr.substr(0, tam - 5) + '.' + vr.substr(tam - 5, 3) + '-' + vr.substr(tam - 2, tam);
    }
    if (tam >= 9 && tam <= 11) {
        campo.value = vr.substr(0, tam - 8) + '.' + vr.substr(tam - 8, 3) + '.' + vr.substr(tam - 5, 3) + '-' + vr.substr(tam - 2, tam);
    }

}

// Formata campo flutuante, permite números e somente uma vírgula
function formataDouble(campo, evt) {
    //18,53012
    evt = getEvent(evt);
    var tecla = getKeyCode(evt);
    if (!teclaValida(tecla))
        return;

    campo.value = filtraNumerosComVirgula(campo.value);
}

// Formata campo telefone
function formataTelefone(campo, evt) {
    //0000-0000
    evt = getEvent(evt);
    var tecla = getKeyCode(evt);
    if (!teclaValida(tecla))
        return;

    vr = campo.value = filtraCampo(campo);
    tam = vr.length;

    if (tam <= 4)
        campo.value = vr;
    if (tam > 4)
        campo.value = vr.substr(0, tam - 4) + '-' + vr.substr(tam - 4, tam);
}

// Formata o campo CEP
function formataCEP(campo, evt) {
    //312555-650
    evt = getEvent(evt);
    var tecla = getKeyCode(evt);
    if (!teclaValida(tecla))
        return;

    vr = campo.value = filtraNumeros(filtraCampo(campo));
    tam = vr.length;

    if (tam <= 3)
        campo.value = vr;
    if (tam > 3)
        campo.value = vr.substr(0, tam - 3) + '-' + vr.substr(tam - 3, tam);
}

// Formata o campo Cartão de Crédito
function formataCartaoCredito(campo, evt) {
    //0000.0000.0000.0000
    evt = getEvent(evt);
    var tecla = getKeyCode(evt);
    if (!teclaValida(tecla))
        return;

    var vr = campo.value = filtraNumeros(filtraCampo(campo));
    var tammax = 16;
    var tam = vr.length;

    if (tam < tammax && tecla != 8)
    { tam = vr.length + 1; }

    if (tam < 5)
    { campo.value = vr; }
    if ((tam > 4) && (tam < 9))
    { campo.value = vr.substr(0, 4) + '.' + vr.substr(4, tam - 4); }
    if ((tam > 8) && (tam < 13))
    { campo.value = vr.substr(0, 4) + '.' + vr.substr(4, 4) + '.' + vr.substr(8, tam - 4); }
    if (tam > 12)
    { campo.value = vr.substr(0, 4) + '.' + vr.substr(4, 4) + '.' + vr.substr(8, 4) + '.' + vr.substr(12, tam - 4); }
}

// limpa todos os caracteres especiais do campo solicitado
function filtraCampo(campo) {
    var s = "";
    var cp = "";
    vr = campo.value;
    tam = vr.length;
    for (i = 0; i < tam; i++) {
        if (vr.substring(i, i + 1) != "/"
            && vr.substring(i, i + 1) != "-"
            && vr.substring(i, i + 1) != "."
            && vr.substring(i, i + 1) != ":"
            && vr.substring(i, i + 1) != ",") {
            s = s + vr.substring(i, i + 1);
        }
    }
    return s;
    //return campo.value.replace("/", "").replace("-", "").replace(".", "").replace(",", "")
}

// limpa todos caracteres que não são números
function filtraNumeros(campo) {
    var s = "";
    var cp = "";
    vr = campo;
    tam = vr.length;
    for (i = 0; i < tam; i++) {
        if (vr.substring(i, i + 1) == "0" ||
            vr.substring(i, i + 1) == "1" ||
            vr.substring(i, i + 1) == "2" ||
            vr.substring(i, i + 1) == "3" ||
            vr.substring(i, i + 1) == "4" ||
            vr.substring(i, i + 1) == "5" ||
            vr.substring(i, i + 1) == "6" ||
            vr.substring(i, i + 1) == "7" ||
            vr.substring(i, i + 1) == "8" ||
            vr.substring(i, i + 1) == "9") {
            s = s + vr.substring(i, i + 1);
        }
    }
    return s;
    //return campo.value.replace("/", "").replace("-", "").replace(".", "").replace(",", "")
}

// limpa todos caracteres que não são números, menos a vírgula
function filtraNumerosComVirgula(campo) {
    var s = "";
    var cp = "";
    vr = campo;
    tam = vr.length;
    var complemento = 0; //flag paga contar o número de virgulas
    for (i = 0; i < tam; i++) {
        if ((vr.substring(i, i + 1) == "," && complemento == 0 && s != "") ||
            vr.substring(i, i + 1) == "0" ||
            vr.substring(i, i + 1) == "1" ||
            vr.substring(i, i + 1) == "2" ||
            vr.substring(i, i + 1) == "3" ||
            vr.substring(i, i + 1) == "4" ||
            vr.substring(i, i + 1) == "5" ||
            vr.substring(i, i + 1) == "6" ||
            vr.substring(i, i + 1) == "7" ||
            vr.substring(i, i + 1) == "8" ||
            vr.substring(i, i + 1) == "9") {
            if (vr.substring(i, i + 1) == ",")
                complemento = complemento + 1;
            s = s + vr.substring(i, i + 1);
        }
    }
    return s;
}

//recupera tecla

//evita criar mascara quando as teclas são pressionadas
function teclaValida(tecla) {
    if (tecla == 8 //backspace
        || tecla == 45 //insert
        || tecla == 46 //delete
        || tecla == 36 //home
        || tecla == 37 //esquerda
        || tecla == 38 //cima
        || tecla == 39 //direita
        || tecla == 40)//baixo
        return false;
    else
        return true;
}

// recupera o evento do form
function getEvent(evt) {
    if (!evt) evt = window.event; //IE
    return evt;
}
//Recupera o código da tecla que foi pressionado
function getKeyCode(evt) {
    var code;
    if (typeof (evt.keyCode) == 'number')
        code = evt.keyCode;
    else if (typeof (evt.which) == 'number')
        code = evt.which;
    else if (typeof (evt.charCode) == 'number')
        code = evt.charCode;
    else
        return 0;

    return code;
}

function formatnumber(pnumber,decimals){
	if (isNaN(pnumber)) { return 0};
	if (pnumber=='') { return 0};
	
	var snum = new String(pnumber);
	var sec = snum.split('.');
	var whole = parseFloat(sec[0]);
	var result = '';
	
	if(sec.length > 1){
		var dec = new String(sec[1]);
		dec = String(parseFloat(sec[1])/Math.pow(10,(dec.length - decimals)));
		dec = String(whole + Math.round(parseFloat(dec))/Math.pow(10,decimals));
		var dot = dec.indexOf('.');
		if(dot == -1){
			dec += '.'; 
			dot = dec.indexOf('.');
		}
		while(dec.length <= dot + decimals) { dec += '0'; }
		result = dec;
	} else{
		var dot;
		var dec = new String(whole);
		dec += '.';
		dot = dec.indexOf('.');		
		while(dec.length <= dot + decimals) { dec += '0'; }
		result = dec;
	}
	result=result.replace(".",",");
	
	return result;
}