function isEmailValid(email){
  var indexOfPoint = email.indexOf('.');
  var indexOfAt = email.indexOf('@');
  /*alert("index punct: " + indexOfPoint);
    alert("index @: " + email.indexOf('@'));
    alert("parte 2" + (email.indexOf('@') > (indexOfPoint + 2)));
        alert("parte 1" + (indexOfPoint > 2));*/
  return ((indexOfAt > 2) && (indexOfPoint > (indexOfAt + 2))); 
}

function esteNumeleValid(name){
  return name.length >= 3;
}

function esteTelefonValid(phone){
  var nrOfDecimals = 0;
  for (var i = 0; i < phone.length; i++){
    if (phone.charAt(i) >= '0' && phone.charAt(i) <= '9'){
      nrOfDecimals++;
    }
  }
  return nrOfDecimals >= 10;
}