function txtBoxFormat(objForm, strField, 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;

}



sValue = objForm[strField].value;

// Limpa todos os caracteres de ção 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( " ", "" );

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) == "/"))

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++;

}



objForm[strField].value = sCod;

if (nTecla != 8) { // backspace

if (sMask.charAt(i-1) == "9") { // apenas números...

return ((nTecla > 47) && (nTecla < 58)); } // números de 0 a 9

else { // qualquer caracter...

return true;} 

} else {

return true;

}

}



<!-- Begin

var isNN = (navigator.appName.indexOf("Netscape")!=-1);

function autoTab(input,len, e) {

var keyCode = (isNN) ? e.which : e.keyCode;

var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];

if(input.value.length >= len && !containsElement(filter,keyCode)) {

input.value = input.value.slice(0, len);

input.form[(getIndex(input)+1) % input.form.length].focus();

}

function containsElement(arr, ele) {

var found = false, index = 0;

while(!found && index < arr.length)

if(arr[index] == ele)

found = true;

else

index++;

return found;

}

function getIndex(input) {

var index = -1, i = 0, found = false;

while (i < input.form.length && index == -1)

if (input.form[i] == input)index = i;

else i++;

return index;

}

return true;

}

// End -->



function Ampliar(nome) {

  w = 250; h = 250;

  if(screen.width){

  var winl = (screen.width-w)/2;

  var wint = (screen.height-h)/2;

  }else{winl = 0;wint =0;}

  if (winl < 0) winl = 0;

  if (wint < 0) wint = 0;

  var settings = 'height=' + h + ',';

  settings += 'width=' + w + ',';

  settings += 'top=' + wint + ',';

  settings += 'left=' + winl + ',';

  win = window.open("verfoto.php?title=Foto Guia&foto="+nome, "janela", settings);

  win.window.focus();

}



function Limpar(valor, validos) {

// retira caracteres invalidos da string

var result = "";

var aux;

for (var i=0; i < valor.length; i++) {

aux = validos.indexOf(valor.substring(i, i+1));

if (aux>=0) {

result += aux;

}

}

return result;

}



//Formata número tipo moeda usando o evento onKeyDown



function Formata(campo,tammax,teclapres,decimal) {

var tecla = teclapres.keyCode;

vr = Limpar(campo.value,"0123456789");

tam = vr.length;

dec=decimal



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

if (tecla == 8 )

{ tam = tam - 1 ; }



if ( tecla == 8 || tecla >= 48 && tecla <= 57 || tecla >= 96 && tecla <= 105 ){

if ( tam <= dec )

{ campo.value = vr ; }



if ( (tam > dec) && (tam <= 5) ){

campo.value = vr.substr( 0, tam - 2 ) + "," + vr.substr( tam - dec, tam ) ; }

if ( (tam >= 6) && (tam <= 8) ){

campo.value = vr.substr( 0, tam - 5 ) + "." + vr.substr( tam - 5, 3 ) + "," + vr.substr( tam - dec, 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 - dec, 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 - dec, 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 ) ;}

} 



}





function Formata2(campo,tammax,teclapres,decimal) {

var tecla = teclapres.keyCode;

vr = Limpar(campo.value,"0123456789");

tam = vr.length;

dec=decimal



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

if (tecla == 8 )

{ tam = tam - 1 ; }



if ( tecla == 8 || tecla >= 48 && tecla <= 57 || tecla >= 96 && tecla <= 105 ){

if ( tam <= dec )

{ campo.value = vr ; }



if ( (tam > dec) && (tam <= 5) ){

campo.value = vr.substr( 0, tam - 2 ) + "." + vr.substr( tam - dec, tam ) ; }

if ( (tam >= 6) && (tam <= 8) ){

campo.value = vr.substr( 0, tam - 5 ) + "" + vr.substr( tam - 5, 3 ) + "." + vr.substr( tam - dec, 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 - dec, 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 - dec, 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 ) ;}

} 



}







function formata_rs(valor)  // essa função formata os valores

{

  var indice;var j=0;

  valor = arredonda(valor); // arredonda valor

  nponto = valor.indexOf(".");  // pega a posicao do ponto

  tamanho= valor.length;        // tamanho

  v1 = valor.substring(0,nponto); // separa a strings

  v2 = valor.substring(nponto+1,tamanho); // separa a outra parte

  

  for(indice = v1.length; indice > 0 ; indice-- )

  { // sei la que este for faz 

    if( j== 3 || j== 6 || j== 9 || j== 12 || j==16 || j==19)

    {

          v1=v1.substring(0,indice)+"."+v1.substring(indice,v1.length);

      }

    j++; 

    }

  

  valor = (v1+","+v2);  

  return valor;

}



<!-- 

function MRP_over(src,clrOver,clrOverF) {

 if (!src.contains(event.fromElement)) {

  src.style.cursor = 'hand';

  src.bgColor = clrOver;

  src.style.color = clrOverF;

 }

}

function MRP_hout(src,clrIn,clrInF) {

 if (!src.contains(event.toElement)) {

  src.style.cursor = 'default';

  src.bgColor = clrIn;

  src.style.color = clrInF;

 }

}



// -->



<!--

function newWindow(mypage,myname,w,h) { 

  if(screen.width){

  var winl = (screen.width-w)/2;

  var wint = (screen.height-h)/2;

  }else{winl = 0;wint =0;}

  if (winl < 0) winl = 0;

  if (wint < 0) wint = 0;

  var settings = 'height=' + h + ',';

  settings += 'width=' + w + ',';

  settings += 'top=' + wint + ',';

  settings += 'left=' + winl + ',';

  //settings += 'toolbar=no,location=no,status=no,scrollbars=yes,resizable=no';

  win = window.open(mypage,myname,settings);

  win.window.focus();

};

-->