function validateStep3(){
  var isOk = false;
  var i = 0;
  while(subtitle=$("input_"+i++)) {
    if((subtitle.value!="")&&(subtitle.className!="defaultValue")) isOk = true;
  }
  if($("cgu").checked==false){
    alert("You have to agree to terms and service before publishing your remix!");
    return false;
  }
  if($("publishButton").hasClassName("disabled")){
    isOk=false;
    alert("You need to test your remix!");
  } else {
    if(!isOk) {
      $("errors-container").update("Please change the text!");
    }
  }
  return isOk;
}