// JavaScript Document
addLoadListener(init);

function init()
{
  document.forms[0].onsubmit = validateFields;

  return true;
}

function validateFields()
{
  var name = document.forms[0].elements["B01"];
  var address = document.forms[0].elements["B02"];
  var suburb = document.forms[0].elements["B03"];
  var postcode = document.forms[0].elements["B04"];
  var email = document.forms[0].elements["B05"];
  var numBooks = document.forms[0].elements["B06"];

  if ((name.value != "") && (address.value != "") && (suburb.value != "") && (postcode.value != "") && (email.value != "") && (numBooks.value != ""))
  {
    /* Continue with submission */
    return true;
  }
  else
  {
    alert("Please fill out all fields marked with an *");

    /* Abort submission */
    return false;
  }
}

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();
      };
    }
  }
};