// JavaScript Document//M�SCARA DE VALORESfunction 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 formata��o que    // j� 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 n�meros...        return ((nTecla > 47) && (nTecla < 58)); }       else { // qualquer caracter...        return true;      }     }    else {      return true;    }  }<!-- Limpo ECO -->