/* permite números, FX, 8=backspace, 9=tab, 13=enter, 16=shift, ctrl=17, alt=18, break=19, caps=20, esc=27, pgup=33, pgdwn=34, end=35, home=36, larrow=37, uarrow=38, rarrow=39, darrow=40, 45=ins, 46=del, 3D0=F5, 91=lwin, 92=rwin, 93=select, 144=numlck */

// if ( (codigo >= 48 && codigo <= 57) || (codigo >= 96 && codigo <= 105) || codigo == 8 || codigo == 9 || codigo == 13 || (codigo >= 16 && codigo <= 20)  || codigo == 27 || (codigo >= 33 && codigo <= 40)  || codigo == 45 || codigo == 46 || (codigo >= 112 && codigo <= 123) || codigo == 91 || codigo == 92 || codigo == 93 || codigo == 144 || codigo == 387)


//MÁSCARA DE VALORES

function txtBoxFormat(objeto, sMask, evtKeyPress) {
    var i, nCount, sValue, fldLen, mskLen,bolMask, sCod, nTecla;


if(document.all) { // Internet Explorer
    nTecla = evtKeyPress.keyCode;
} else if(document.layers) { // Nestcape
    nTecla = evtKeyPress.which;
} else {
    nTecla = evtKeyPress.which;
    if (nTecla == 8) {
        return true;
    }
}

    sValue = objeto.value;

    // Limpa todos os caracteres de formatação que
    // já estiverem no campo.
    sValue = sValue.toString().replace( "-", "" );
    sValue = sValue.toString().replace( "-", "" );
    sValue = sValue.toString().replace( ".", "" );
    sValue = sValue.toString().replace( ".", "" );
    sValue = sValue.toString().replace( "/", "" );
    sValue = sValue.toString().replace( "/", "" );
    sValue = sValue.toString().replace( ":", "" );
    sValue = sValue.toString().replace( ":", "" );
    sValue = sValue.toString().replace( "(", "" );
    sValue = sValue.toString().replace( "(", "" );
    sValue = sValue.toString().replace( ")", "" );
    sValue = sValue.toString().replace( ")", "" );
    sValue = sValue.toString().replace( " ", "" );
    sValue = sValue.toString().replace( " ", "" );
    fldLen = sValue.length;
    mskLen = sMask.length;

    i = 0;
    nCount = 0;
    sCod = "";
    mskLen = fldLen;

    while (i <= mskLen) {
      bolMask = ((sMask.charAt(i) == "-") || (sMask.charAt(i) == ".") || (sMask.charAt(i) == "/") || (sMask.charAt(i) == ":"))
      bolMask = bolMask || ((sMask.charAt(i) == "(") || (sMask.charAt(i) == ")") || (sMask.charAt(i) == " "))

      if (bolMask) {
        sCod += sMask.charAt(i);
        mskLen++; }
      else {
        sCod += sValue.charAt(nCount);
        nCount++;
      }

      i++;
    }

    objeto.value = sCod;

    if (nTecla != 8) { // backspace
      if (sMask.charAt(i-1) == "9") { // apenas números...
        return ((nTecla > 47) && (nTecla < 58)); }
      else { // qualquer caracter...
        return true;
      }
    }
    else {
      return true;
    }
  }