function valida_estado(estado){
	var estados = new Array('AC','AL','AP','AM','BA','DF','CE','ES','GO','MA','MT','MS','MG','PB','PR','PA','PE','PI','RJ','RN','RS','RO','RR','SC','SP','SE','TO');
	for (var i = 0; i < estados.length; i++){
		if (estados[i] == estado.toUpperCase()){
			return true;
		}
	}
	return false;
}

function validaCPF(cpf){
	erro = new String;
	
	cpf = cpf.replace('.', '');
	cpf = cpf.replace('.', '');
	cpf = cpf.replace('-', '');

	if (cpf.length == 11){    
		var nonNumbers = /\D/;
		if (cpf == "00000000000" || 
				cpf == "11111111111" || 
				cpf == "22222222222" || 
				cpf == "33333333333" || 
				cpf == "44444444444" || 
				cpf == "55555555555" || 
				cpf == "66666666666" || 
				cpf == "77777777777" || 
				cpf == "88888888888" || 
				cpf == "99999999999") {
				
				return false;
		}
	
		var a = [];
		var b = new Number;
		var c = 11;
	
		for (i=0; i<11; i++){
				a[i] = cpf.charAt(i);
				if (i < 9) b += (a[i] * --c);
		}
	
		if ((x = b % 11) < 2) { a[9] = 0 } else { a[9] = 11-x }
		b = 0;
		c = 11;
	
		for (y=0; y<10; y++) b += (a[y] * c--); 
	
		if ((x = b % 11) < 2) { a[10] = 0; } else { a[10] = 11-x; }
	
		if ((cpf.charAt(9) != a[9]) || (cpf.charAt(10) != a[10])) {
			return false;
		}
	} else 
		return false;
	
    return true;    
}

function validar_email(email){
   if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)) || !email) 
     return false;
   else 
     return true;
}


function validar_data(campo){
	var expReg = /^(([0-2]\d|[3][0-1])\/([0]\d|[1][0-2])\/[1-2][0-9]\d{2})$/;
	if ((campo.match(expReg)) && (campo!='')){
		var dia = campo.substring(0,2);
		var mes = campo.substring(3,5);
		var ano = campo.substring(6,10);

		if((mes==4 || mes==6 || mes==9 || mes==11) && dia > 30){
			//alert("Dia incorreto !!! O mês especificado contém no máximo 30 dias.");
			return false;
		} else{
			if(ano%4!=0 && mes==2 && dia>28){
	//			alert("Data incorreta!! O mês especificado contém no máximo 28 dias.");
				return false;
			} else{
				if(ano%4==0 && mes==2 && dia>29){
	//				alert("Data incorreta!! O mês especificado contém no máximo 29 dias.");
					return false;
				} else{	
	//				alert ("Data correta!");
					return true;
				}
			}
		}
	} else {
	//	alert(msgErro);
	//	campo.focus();
		return false;
	}
}

function $_get( name ){
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}

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;
}

function vai (url){
  location.href = url;
}

function trocaponto(valor){
	return (valor ? valor.replace(".", ",").replace(",",".") : 0);
}

function number_format (number, decimals, dec_point, thousands_sep){
  var exponent = "";
  var numberstr = (number ? number.toString () : 0);
  var eindex = numberstr.indexOf ("e");
  if (eindex > -1)
  {
    exponent = numberstr.substring (eindex);
    number = parseFloat (numberstr.substring (0, eindex));
  }
  
  if (decimals != null)
  {
    var temp = Math.pow (10, decimals);
    number = Math.round (number * temp) / temp;
  }
  var sign = number < 0 ? "-" : "";
  var integer = (number > 0 ? 
      Math.floor (number) : Math.abs (Math.ceil (number))).toString ();
  
  var fractional = number.toString ().substring (integer.length + sign.length);
  dec_point = dec_point != null ? dec_point : ".";
  fractional = decimals != null && decimals > 0 || fractional.length > 1 ? 
               (dec_point + fractional.substring (1)) : "";
  if (decimals != null && decimals > 0)
  {
    for (i = fractional.length - 1, z = decimals; i < z; ++i)
      fractional += "0";
  }
  
  thousands_sep = (thousands_sep != dec_point || fractional.length == 0) ? 
                  thousands_sep : null;
  if (thousands_sep != null && thousands_sep != "")
  {
	for (i = integer.length - 3; i > 0; i -= 3)
      integer = integer.substring (0 , i) + thousands_sep + integer.substring (i);
  }
  
  return sign + integer + fractional + exponent;
}

function bloquearCaracterAlfa(evnt){
	evnt = (evnt.keyCode ? evnt.keyCode : evnt.which)  // Internet Explorer
	if (evnt != 13) {
		if ((evnt >= 40 && evnt <= 47) || (evnt >= 96 && evnt <= 122) || (evnt >= 65 && evnt <= 90)){
			return false;
		}
	}
}

// Retorno o valor selecionado do Radio Button 
function valRadio(nomeCampo){ 
  var i;
  for (i=0; i < nomeCampo.length; i++){ 
    if (nomeCampo[i].checked) 
      return nomeCampo[i].value; 
  } 	
  return 0;
}

//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 ) ;
      }
   }
}


/////////////Valores em dinheiro
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;
}