//impede q digite algum caracter que nao for da lista
var validTel = "()-0123456789";
function refreshTel()
{
 	valor = "";
	for (var i=0; i<CestaComprasFrm.Telefone.value.length; i++)
	{
	 teste = "" + CestaComprasFrm.Telefone.value.substring(i, i+1);
     if (validTel.indexOf(teste) != "-1")
	  { 
		valor += teste;
	  }
	}
	CestaComprasFrm.Telefone.value = valor;
}

//adiciona ao bookmark do browser
var bookmarkurl="http://www.sintese.com/"
var bookmarktitle="SINTESE.COM"
function addbookmark()
{
	window.external.AddFavorite(bookmarkurl,bookmarktitle)
}

var digits = "0123456789";
var lowercaseLetters = "abcdefghijklmnopqrstuvwxyz"
var uppercaseLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
var blanks = " \t\n\r";  // aka whitespace chars

// decimal point character differs by language and culture
var decimalPointDelimiter = ","


// Returns true if string s is empty

function isEmpty(s)
  {
  return ((s == null) || (s.length == 0));
  }


// Returns true if string s is empty or all blank chars

function isBlank(s)
  {
  var i;

  // Is s empty?
  if (isEmpty(s))
    return true;

  // Search through string's chars one by one until we find first
  // non-blank char, then return false; if we don't, return true
  for (i=0; i<s.length; i++)
    {   
    // Check that current character isn't blank
    var c = s.charAt(i);
    if (blanks.indexOf(c) == -1) 
      return false;
    }
  // All characters are blank
  return true;
  }

// Removes all characters which appear in string bag from string s

function stripCharsInBag (s, bag)
  {
  var i;
  var returnString = "";

  // Search through string's characters one by one;
  // if character is not in bag, append to returnString
  for (i = 0; i < s.length; i++)
    {   
    // Check that current character isn't blank
    var c = s.charAt(i);
    if (bag.indexOf(c) == -1) 
      returnString += c;
    }
  return returnString;
  }


// Removes all characters which do NOT appear in string bag from string s

function stripCharsNotInBag (s, bag)
  {
  var i;
  var returnString = "";

  // Search through string's characters one by one;
  // if character is in bag, append to returnString
  for (i = 0; i < s.length; i++)
    {   
    // Check that current character isn't blank
    var c = s.charAt(i);
    if (bag.indexOf(c) != -1) 
      returnString += c;
    }
  return returnString;
  }


// Removes all blank chars (as defined by blanks) from s

function stripBlanks(s)
  {
  return stripCharsInBag(s, blanks)
  }


// Removes leading blank chars (as defined by blanks) from s

function stripLeadingBlanks(s)
  { 
  var i = 0;
  while ((i < s.length) && (blanks.indexOf(s.charAt(i)) != -1))
     i++;
  return s.substring(i, s.length);
  }


// Removes trailing blank chars (as defined by blanks) from s

function stripTrailingBlanks(s)
  { 
  var i = s.length - 1;
  while ((i >= 0) && (blanks.indexOf(s.charAt(i)) != -1))
     i--;
  return s.substring(0, i+1);
  }


// Removes leading+trailing blank chars (as defined by blanks) from s

function stripLeadingTrailingBlanks(s)
  { 
  s = stripLeadingBlanks(s);
  s = stripTrailingBlanks(s);
  return s;
  }


// Returns true if character c is an English letter (A .. Z, a..z)

function isLetter(c)
  {
  return (((c >= "a") && (c <= "z")) || ((c >= "A") && (c <= "Z")));
  }


// Returns true if character c is a digit (0 .. 9)

function isDigit(c)
  {
  return ((c >= "0") && (c <= "9"));
  }


// Returns true if all chars in string s are numbers;
// first character is allowed to be + or -; does not 
// accept floating point, exponential notation, etc.

function isInteger(s)
  {
  // skip leading + or -
  //if ((s.charAt(0) == "-") || (s.charAt(0) == "+"))
  //  var i = 1;
  //else
  //  var i = 0;

  // Search through string's chars one by one until we find a 
  // non-numeric char, then return false; if we don't, return true
  for (i=0; i<s.length; i++)
    {   
    // Check that current character is number
    var c = s.charAt(i);
    if (!isDigit(c)) 
      return false;
    }
  // All characters are numbers
  return true;
  }


// Returns false if the string is not numeric
function isNumeric(s)
{
	var i = 0;
	for (i; i<s.length;i++)
	{
		if (!isDigit(s.charAt(i)))
			return false;
	}
	return true;
}

// Returns false if the telephone number is invalid
function isTelNumber(s)
{
	var i = 0;
	for (i; i<s.length-1;i++)
	{
		var c = s.charAt(i);
		if (isDigit(c) || c == '(' || c == ')' || c == '-')
			return true;
	}
	return true;
}

// True if string s is an unsigned floating point (real) number; 
// first character is allowed to be + or -; no exponential notation.

function isFloat(s)
  { 
  var seenDecimalPoint = false;

  if (isBlank(s)) 
    return false;
  if (s == decimalPointDelimiter) 
    return false;

  // skip leading + or -
  //if ((s.charAt(0) == "-") || (s.charAt(0) == "+"))
  //  var i = 1;
  //else
    var i = 0;

  // Search through string's chars one by one until we find a 
  // non-numeric char, then return false; if we don't, return true

  for (i; i<s.length; i++)
    {   
    // Check that current character is number
    var c = s.charAt(i);

    if ((c == decimalPointDelimiter) && !seenDecimalPoint) 
      seenDecimalPoint = true;
    else if (!isDigit(c)) 
      return false;
    }
  // All characters are numbers
  return seenDecimalPoint;
  }


// Returns true if string s is English letters (A .. Z, a..z) only

function isAlphabetic(s)
  {
  var i;

  if (isBlank(s)) 
     return false;

  // Search through string's chars one by one until we find a 
  // non-alphabetic char, then return false; if we don't, return true

  for (i = 0; i < s.length; i++)
  {   
  // Check that current character is letter
  var c = s.charAt(i);

  if (!isLetter(c))
    return false;
  }

  // All characters are letters
  return true;
  }


// Returns true if string s is English letters (A .. Z, a..z) and numbers only

function isAlphanumeric(s)
  {
  var i;

  if (isBlank(s)) 
     return false;

  // Search through string's chars one by one until we find a 
  // non-alphanumeric char, then return false; if we don't, return true

  for (i = 0; i < s.length; i++)
    {   
    // Check that current character is number or letter
    var c = s.charAt(i);

    if (! (isLetter(c) || isDigit(c) ) )
    return false;
    }

  // All characters are numbers or letters
  return true;
  }


// reformatString(targetStr [, str1, int1, str2, int2, ... strN, intN])       
//
// Handy function for arbitrarily inserting formatting characters
// or delimiters of various kinds within targetString.
//
// reformatString() takes one required string argument, targetStr, 
// and 0-N optional string/integer-pair arguments. These optional 
// arguments specify how targetStr is to be reformatted and how/where 
// other strings are to be inserted in it.
//
// EXAMPLES:
//
// * To reformat a 10-digit U.S. phone number from "1234567890"
//   to "(123)456-7890" make this function call:
//   reformatString("1234567890", "(", 3, ")", 3, "-", 4)

function reformatString(targetString)
  { 
  var arg;
  var sPos = 0;
  var resultString = "";

  for (var i=1; i<reformatString.arguments.length; i++)
    {
    arg = reformatString.arguments[i];
    if (i%2 == 1) 
      {
      resultString += arg;
      }
    else
      {
      resultString += targetString.substring(sPos, sPos + arg);
      sPos += arg;
      }
    }
  return resultString;
  }

// Returns true if string is a valid email address: @ and . required,
// at least one char before @, at least one char before and after .

function isEmail(str) {
  // are regular expressions supported?
  var supported = 0;
  if (window.RegExp) {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }
  if (!supported) 
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$");
  return (!r1.test(str) && r2.test(str));
}

// Returns true if string s is an integer such that a <= s <= b

function isIntegerInRange (s, a, b)
  { 
  if (isBlank(s)) 
    return false;
  if (!isInteger(s)) 
    return false;
  var num = parseInt(s);
  return ((num >= a) && (num <= b));
  }

// Returns index of checked radio button in radio set,
// or -1 if no radio buttons are checked

function getCheckedRadioButton(radioSet)
  { 
  for (var i=0; i<radioSet.length; i++)
    if (radioSet[i].checked)
      return i;
  return -1;
  }


// Returns array containing index(es) of checked checkbox(es) 
// in checkbox set, or -1 if no checkboxes are checked

function getCheckedCheckboxes(checkboxSet)
  {
  var arr = new Array();
  for (var i=0,j=0; i<checkboxSet.length; i++)
    if (checkboxSet[i].checked)
      arr[j++] = i;
  if (arr.length > 0)
    return arr;
  else
    return -1;
  }


// Returns array containing index(es) of checked option(s) 
// in select box, or -1 if no options are selected

function getCheckedSelectOptions(select)
  {
  var arr = new Array();
  for (var i=0,j=0; i<select.length; i++)
    if (select.options[i].selected)
      arr[j++] = i;
  if (arr.length > 0)
    return arr;
  else
    return -1;
  }


//Validacao de CNPJ

function valida_CGC(s)
{
if (s.length == 15)
{
	if (s.charAt(0) == '0')
		s = s.substr(1,14);
	else
		return false;
}
if (s.length < 14)
	return false;
	
var c = s.substr(0,12);
var dv = s.substr(12,2);
var d1 = 0;
for (i = 0; i < 12; i++)
{
d1 += c.charAt(11-i)*(2+(i % 8));
}
if (d1 == 0) return false;
d1 = 11 - (d1 % 11);
if (d1 > 9) d1 = 0;
if (dv.charAt(0) != d1)
{
return false;
}

d1 *= 2;
for (i = 0; i < 12; i++)
{
d1 += c.charAt(11-i)*(2+((i+1) % 8));
}
d1 = 11 - (d1 % 11);
if (d1 > 9) d1 = 0;
if (dv.charAt(1) != d1)
{
return false;
}
return true;
}


function VerificaData(dia, mes, ano) {
	var dias = new Array("", "31", "29", "31", "30", "31", "30", "31", "31", "30", "31", "30", "31");
	var Hoje = new Date();
	ano = ano.replace(/[^0-9]/gi, "");
	mes = mes.replace(/[^0-9]/gi, "");
	mes=mes*1;
	dia = dia.replace(/[^0-9]/gi, "");
	dia=dia*1;
	if ((ano.valueOf() < 1900) || (ano.valueOf() > Hoje.getFullYear()) || 
		(mes.valueOf() < 1) || (mes.valueOf() > 12) ||
		(dia.valueOf() < 1) || (dia.valueOf() > dias[parseInt(mes.valueOf())])) {
		return false;
	} 
	else
	{
		if	((ano.valueOf() % 4 == 0) && (!(ano.valueOf() % 100 == 0) || (ano.valueOf() % 400 == 0)))
		{
			// Ano bisexto
			if	((mes.valueOf() == 2) && (dia.valueOf() > 29))
			{
				return false;
			}
		}
		else
		{
			// Ano comum
			if	((mes.valueOf() == 2) && (dia.valueOf() > 28)) {
				return false;
			}
		}
	}
	return true;
}