function valida(){ 			
	//############## CAMPO CPF #####################	
	if (!checaCPF(document.formcadastro.vcND_CPF.value)) 
	{
		 errors="1";
		 if (errors) alert('Informe o seu CPF corretamente. Preencha-o corretamente.');
		 document.formcadastro.vcND_CPF.focus();
		 return false;
	}
				
	 return true;
 }
 
 
 function checaCPF (CPF) 
{
	if (CPF.length != 11 || CPF == "00000000000" || CPF == "11111111111" ||
		CPF == "22222222222" ||	CPF == "33333333333" || CPF == "44444444444" ||
		CPF == "55555555555" || CPF == "66666666666" || CPF == "77777777777" ||
		CPF == "88888888888" || CPF == "99999999999" || CPF == "00000000191")
		{
		return false;
		}
	soma = 0;
	for (i=0; i < 9; i ++)
		{
		soma += parseInt(CPF.charAt(i)) * (10 - i);
		}
	resto = 11 - (soma % 11);
	if (resto == 10 || resto == 11)
		{
		resto = 0;
		}
	if (resto != parseInt(CPF.charAt(9)))
		{
		return false;
		}
	soma = 0;
	for (i = 0; i < 10; i ++)
		{
		soma += parseInt(CPF.charAt(i)) * (11 - i);
		}
	resto = 11 - (soma % 11);
	if (resto == 10 || resto == 11)
		{
		resto = 0;
		}
	if (resto != parseInt(CPF.charAt(10)))
		{
		return false;
		}
	else
		{
//        alert('Correto');
		return true;
		}
}

function fDataValida(data){
   var err=0;
   if (data.length != 10) {
      err=1;
   }
 
   dia     = data.substring(0, 2); // dia
   barra_1 = data.substring(2, 3); // '/'
   mes     = data.substring(3, 5); // mes
   barra_2 = data.substring(5, 6); // '/'
   ano     = data.substring(6, 10); // ano


	if (isNaN(dia) != false && dia != "") err = 1;
	if (isNaN(mes) != false && mes != "") err = 1;
	if (isNaN(ano) != false && ano != "") err = 1;


   //check de erros b&aacute;sicos
   if (mes<1 || mes>12) err = 1;
   if (barra_1 != '/') err = 1;
   if (dia<1 || dia>31) err = 1;
   if (barra_2 != '/') err = 1;
   if (ano<1900 || ano>2999) err = 1;
 
   // meses com 30 dias
   if (mes==4 || mes==6 || mes==9 || mes==11){
      if (dia==31) err=1;
   }
 
   // tratamento para fevereiro
   if (mes==2){
      var aux=parseInt(ano/4);
      if (isNaN(aux)) {
         err=1;
      }
 
      if (dia>29) err=1;
      if (dia==29 && ((ano/4)!=parseInt(ano/4))) err=1;
   }
 
   if (err==1){
      return false;
   } else {
      return true;
   }
}

function soNumeros(fld, e) 
{
	var i = j = 0;
	var len = len2 = 0;
	var strCheck = '0123456789,';
	
	var aux = aux2 = '';
	var whichCode = (window.Event) ? e.which : e.keyCode;
	key = String.fromCharCode(whichCode);  
	if (strCheck.indexOf(key) == -1) return false;  
}
function soLetras(fld, e) 
{
	var i = j = 0;
	var len = len2 = 0;
	var strCheck = 'abcdefghijlmnopqrstuxvyzwykABCDEFGHIJLMNOPQRSTUVXZWYKÀÁÂÃáàâãÉÈÊéèêÍÌíìÔÕÓÒôõóÚÙÜúùüÇç1234567890&+-ºª°@. ';
	var aux = aux2 = '';
	var whichCode = (window.Event) ? e.which : e.keyCode;
	key = String.fromCharCode(whichCode);  
	if (strCheck.indexOf(key) == -1) return false;  
}

function soLetrasNumeros(fld, e) 
{
	var i = j = 0;
	var len = len2 = 0;
	var strCheck = 'abcdefghijlmnopqrstuxvyzwykABCDEFGHIJLMNOPQRSTUVXZWYK1234567890- ';
	var aux = aux2 = '';
	var whichCode = (window.Event) ? e.which : e.keyCode;
	key = String.fromCharCode(whichCode);  
	if (strCheck.indexOf(key) == -1) return false;  
}

function soData(fld, e) 
{
	var i = j = 0;
	var len = len2 = 0;
	var strCheck = '1234567890/';
	var aux = aux2 = '';
	var whichCode = (window.Event) ? e.which : e.keyCode;
	key = String.fromCharCode(whichCode);  
	if (strCheck.indexOf(key) == -1) return false;  
}

function sortNumber(intMin,intMax) {
	intRange = intMax - intMin + 1;
	intSort = Math.round((Math.random()*intRange)) + intMin;
		if (intSort==(intMax+1)) intSort=intMin;
	return(intSort);
}


function Trim(STRING){
	STRING = LTrim(STRING);
	return RTrim(STRING);
}

function RTrim(STRING){
	while(STRING.charAt((STRING.length -1))==" "){
		STRING = STRING.substring(0,STRING.length-1);
	}
	return STRING;
}


function LTrim(STRING){
	while(STRING.charAt(0)==" "){
		STRING = STRING.replace(STRING.charAt(0),"");
	}
	return STRING;
}

function Replace(STRING,REPLACE_THIS,REPLACE_WITH){
	while(STRING.indexOf(REPLACE_THIS) > -1){
		STRING = STRING.replace(REPLACE_THIS,REPLACE_WITH);
	}
	return STRING;
}