// JavaScript Document
// Script para máscara de campos
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;
    }
  }
// Fim do Script para máscara de campos

// Função para textarea
function textCounter(field, countfield, maxlimit) {
if (field.value.length > maxlimit)
field.value = field.value.substring(0, maxlimit);
else 
countfield.value = maxlimit - field.value.length;
}

// Função auto-tab
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;
}

<!-- Início do Script para nova janela-->
function abrir(URL) {
var width = 550;
var height = 500;
var left = 5;
var top = 5;
window.open(URL,'Pop', 'width='+width+', height='+height+', top='+top+', left='+left+', scrollbars=yes, status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=yes, fullscreen=no');
}
         function stopError() {
         return true;
         }

         window.onerror = stopError;
    function clear_field(field){
    if (field.value==field.defaultValue)    {    

field.value=''    }
}

function check_field(field){
   if (field.value=='' ||
   field.value==' ')    {
   field.value=field.defaultValue }
}

// Formatação de Moeda
// retira caracteres invalidos da string
function Limpar(valor, validos) {
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 FormataMoeda(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 ) ;}
} 

}