function setRegister( token1, token2, token3, token4 ){
  document.cookie = null ;
  document.cookie = '<tokenList><token1>' + token1 + '</token1><token2>' + token2 + '</token2><token3>' + token3 + '</token3><token4>' + token4 + '</token4></tokenList>' ;
  if(document.cookie.length < 1 ){
      alert( "To process your registration and payment it is necessary to create a temporary cookie.\nYour security settings prevent this." );
  }
}

function getRegister(){
  document.forms[0].register.value = document.cookie;
}