function protectButton() {                        

  var protection = (document.all)?document.all["protectedButton"]:document.getElementById("protectedButton");
  var hinweis = (document.all)?document.all["hinweis"]:document.getElementById("hinweis");           

  protection.style.display="none";
  hinweis.style.display="block";          

  return true;           

}//end function