function verifica() {
var raznom   = document.getElementById('raznom').value;
//var emailCon = document.getElementById('emailCon').value;
var cnpjcpf  = document.getElementById('cnpjcpf').value;
var insestrg = document.getElementById('insestrg').value;
var endereco = document.getElementById('endereco').value;
var cep      = document.getElementById('cep').value;
var cidade   = document.getElementById('cidade').value;
var telefone = document.getElementById('telefone').value;

if(raznom == "") {
	document.getElementById('button').disabled = true;
	} /*else if(emailCon == "") {
	document.getElementById('button').disabled = true;
	}*/ 
	var obj = eval("document.getElementById('emailcon')");
 	var txt = obj.value;
  	if ((txt.length != 0) && ((txt.indexOf("@") < 1) || (txt.indexOf('.') < 7)))  {
  	document.getElementById('button').disabled = true;
 	}	
	else if(cnpjcpf == "") {
	document.getElementById('button').disabled = true;
	} else if(insestrg == "") {
	document.getElementById('button').disabled = true;
	} else if(endereco == "") {
	document.getElementById('button').disabled = true;
	} else if(cep == "") {
	document.getElementById('button').disabled = true;
	} else if(cidade == "") {
	document.getElementById('button').disabled = true;
	} else if(telefone == "") {
	document.getElementById('button').disabled = true;
	} else {
	document.getElementById('button').disabled = false;	
	}
	
}
function verificaCont() {
var nome         = document.getElementById('nome').value;
//var emailCon = document.getElementById('emailCon').value;
var telefoneCont = document.getElementById('telefoneCont').value;
var cidadeCont   = document.getElementById('cidadeCont').value;
var mensagem     = document.getElementById('mensagem').value;

if(nome == "") {
	document.getElementById('buttonCont').disabled = true;
	} /*else if(emailCon == "") {
	document.getElementById('button').disabled = true;
	}*/ 
	var obj = eval("document.getElementById('emailCont')");
 	var txt = obj.value;
  	if ((txt.length != 0) && ((txt.indexOf("@") < 1) || (txt.indexOf('.') < 7)))  {
  	document.getElementById('buttonCont').disabled = true;
 	}	
	else if(telefoneCont == "") {
	document.getElementById('buttonCont').disabled = true;
	} else if(cidadeCont == "") {
	document.getElementById('buttonCont').disabled = true;
	} else if(mensagem == "") {
	document.getElementById('buttonCont').disabled = true;
	} else {
	document.getElementById('buttonCont').disabled = false;	
	}
	
}