function FrontPage_Form1_Validator(theForm)
{

  var radioSelected = false;
  for (i = 0;  i < theForm.Q1_Over18.length;  i++)
  {
    if (theForm.Q1_Over18[i].checked)
        radioSelected = true;
  }
  if (!radioSelected)
  {
    alert("Please select one of the \"Are you over 18 years of age?\" options.");
    return (false);
  }

  var radioSelected = false;
  for (i = 0;  i < theForm.Age.length;  i++)
  {
    if (theForm.Age[i].checked)
        radioSelected = true;
  }
  if (!radioSelected)
  {
    alert("Please select one of the \"Age?\" options.");
    return (false);
  }

  var radioSelected = false;
  for (i = 0;  i < theForm.Schooling.length;  i++)
  {
    if (theForm.Schooling[i].checked)
        radioSelected = true;
  }
  if (!radioSelected)
  {
    alert("Please select one of the \"Last grade of school completed\" options.");
    return (false);
  }

  var radioSelected = false;
  for (i = 0;  i < theForm.Income.length;  i++)
  {
    if (theForm.Income[i].checked)
        radioSelected = true;
  }
  if (!radioSelected)
  {
    alert("Please select one of the \"Household income?\" options.");
    return (false);
  }

  var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzƒŠŒŽšœžŸÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ. \t\r\n\f";
  var checkStr = theForm.Name.value;
  var allValid = true;
  var validGroups = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
  }
  if (!allValid)
  {
    alert("Please enter only letter, whitespace and \".\" characters in the \"Name\" field.");
    theForm.Name.focus();
    return (false);
  }
  return (true);
}