addLoadListener(init);

function init()
{
  var mytext1 = document.getElementById("text1");
  mytext1.style.display = "none";

  var mytext2 = document.getElementById("text2");
  mytext2.style.display = "none";
  
  var mytext3 = document.getElementById("text3");
  mytext3.style.display = "none";
  
  var mytext4 = document.getElementById("text4");
  mytext4.style.display = "none";  
    
  return true;
}
function showfield(what) {
if(what.id == "daily" && what.checked) {
document.getElementById('text1').style.display = "inline";
document.getElementById('text2').style.display = "none";
document.getElementById('text3').style.display = "none";
document.getElementById('text4').style.display = "none";
}
else if(what.id == "weekly" && what.checked) {
document.getElementById('text1').style.display = "none";
document.getElementById('text2').style.display = "inline";
document.getElementById('text3').style.display = "none";
document.getElementById('text4').style.display = "none";
}
else if(what.id == "monthly" && what.checked) {
document.getElementById('text1').style.display = "none";
document.getElementById('text2').style.display = "none";
document.getElementById('text3').style.display = "inline";
document.getElementById('text4').style.display = "none";
}
else if(what.id == "annually" && what.checked) {
document.getElementById('text1').style.display = "none";
document.getElementById('text2').style.display = "none";
document.getElementById('text3').style.display = "none";
document.getElementById('text4').style.display = "inline";
}
else if(what.id == "0" && what.checked) {
document.getElementById('text1').style.display = "none";
document.getElementById('text2').style.display = "none";
document.getElementById('text3').style.display = "none";
document.getElementById('text4').style.display = "none";
}
else {
document.getElementById('text1').style.display = "none";
document.getElementById('text2').style.display = "none";
document.getElementById('text3').style.display = "none";
document.getElementById('text4').style.display = "none";
}
}
function addLoadListener(fn)
{
  if (typeof window.addEventListener != 'undefined')
  {
    window.addEventListener('load', fn, false);
  }
  else if (typeof document.addEventListener != 'undefined')
  {
    document.addEventListener('load', fn, false);
  }
  else if (typeof window.attachEvent != 'undefined')
  {
    window.attachEvent('onload', fn);
  }
  else
  {
    var oldfn = window.onload;
    if (typeof window.onload != 'function')
    {
      window.onload = fn;
    }
    else
    {
      window.onload = function()
      {
        oldfn();
        fn();
      };
    }
  }
}