function checkTrainingForm(theForm) {
    var why = "";
    why += checkFirstName(theForm.FirstName.value);
    why += checkLastName(theForm.LastName.value);
    why += checkCompany(theForm.Company.value);
    why += checkEmail(theForm.Email.value);
    why += checkPhone(theForm.Phone.value);
    why += checkDates(theForm.TrainingDateRequested.value);
    if (why != "") {
       alert(why);
       return false;
    }
return true;
}

function checkSurveyForm(theForm) {
    var why = "";
    why += checkJobTitle(theForm);
    why += checkMostInterestedIn(theForm);
    why += checkFutureTopics(theForm.FutureTopics.value);
    why += checkEnjoyAboutWebinar(theForm.EnjoyAboutWebinar.value);
    why += checkWebinarImprovement(theForm.WebinarImprovement.value);
    why += checkNumOfWebinars(theForm);
    why += checkNumOfMonthlyWebinars(theForm);
    if (why != "") {
       alert(why);
       return false;
    }
return true;
}


function checkFirstName(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Please enter your First Name.\n"
  }
return error;	  
}

function checkLastName(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Please enter your Last Name.\n"
  }
return error;	  
}

function checkCompany(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Please enter your Company.\n"
  }
return error;	  
}

function checkDates(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Please Requested Training Class.\n"
  }
return error;	  
}

function checkEmail (strng) {
var error="";
if (strng == "") {
   error = "You didn't enter an email address.\n";
}

    var emailFilter=/^.+@.+\..{2,3}$/;
    if (!(emailFilter.test(strng))) { 
       error = "Please enter a valid email address.\n";
    }
    else {
//test email for illegal characters
       var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
         if (strng.match(illegalChars)) {
          error = "The email address contains illegal characters.\n";
       }
    }
return error;    
}


// phone number - strip out delimiters and check for 10 digits

function checkPhone (strng) {
var error = "";
if (strng == "") {
   error = "Please enter a phone number.\n";
} //else {

//var stripped = strng.replace(/[\(\)\.\-\ ]/g, ''); //strip out acceptable non-numeric characters
//    if (isNaN(parseInt(stripped))) {
//       error = "The entered phone number contains illegal characters.";
//    }
//    if (!(stripped.length == 10)) {
//	error = "Please make sure you included an area code.\n";
//    } 
//}
return error;
}

// password - between 6-8 chars, uppercase, lowercase, and numeral
function checkPassword (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a password.\n";
}

    var illegalChars = /[\W_]/; // allow only letters and numbers
    
    if ((strng.length < 6) || (strng.length > 8)) {
       error = "The password is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
      error = "The password contains illegal characters.\n";
    } 
    else if (!((strng.search(/(a-z)+/)) && (strng.search(/(A-Z)+/)) && (strng.search(/(0-9)+/)))) {
       error = "The password must contain at least one uppercase letter, one lowercase letter, and one numeral.\n";
    }  
return error;    
}    

// username - 4-10 chars, uc, lc, and underscore only.
function checkUsername (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a username.\n";
}
    var illegalChars = /\W/; // allow letters, numbers, and underscores
    if ((strng.length < 4) || (strng.length > 10)) {
       error = "The username is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
    error = "The username contains illegal characters.\n";
    } 
return error;
}       

function checkJobTitle(theform) {
var radio_choice = false;
var error = "";
for (counter = 0; counter < theform.JobTitle.length; counter++)
{
// If a radio button has been selected it will return true
// (If not it will return false)
if (theform.JobTitle[counter].checked)
radio_choice = true; 
}
if (!radio_choice)
{
error = "You are a:?\n";
}
return error;	  
}


function checkMostInterestedIn(theform) {
var checkbox_checked = false;
var error = "";

for (counter = 0; counter < theform.MostInterestedIn.length; counter++)
{
if (theform.MostInterestedIn[counter].checked)
checkbox_checked = true; 
}
if (!checkbox_checked)
{
error = "You are most interested in:?\n";
}
return error;	  
}


function checkFutureTopics(strng) {
var error = "";
  if (strng.length == 0) {
     error = "What future webinar topics would you like to see?\n"
  }
return error;	  
}

function checkEnjoyAboutWebinar(strng) {
var error = "";
  if (strng.length == 0) {
     error = "What did you enjoy most about this webinar?\n"
  }
return error;	  
}

function checkWebinarImprovement(strng) {
var error = "";
  if (strng.length == 0) {
     error = "What would you most like to see improved?\n"
  }
return error;	  
}

function checkNumOfWebinars(theform) {
var radio_choice = false;
var error = "";
for (counter = 0; counter < theform.NumOfWebinars.length; counter++)
{
// If a radio button has been selected it will return true
// (If not it will return false)
if (theform.NumOfWebinars[counter].checked)
radio_choice = true; 
}
if (!radio_choice)
{
error = "How many Aperio webinars have you attended?\n";
}
return error;	  
}

function checkNumOfMonthlyWebinars(theform) {
var radio_choice = false;
var error = "";
for (counter = 0; counter < theform.NumOfMonthlyWebinars.length; counter++)
{
// If a radio button has been selected it will return true
// (If not it will return false)
if (theform.NumOfMonthlyWebinars[counter].checked)
radio_choice = true; 
}
if (!radio_choice)
{
error = "How many webinars do you attend on a monthly basis?\n";
}
return error;	  
}

// was textbox altered
function isDifferent(strng) {
var error = ""; 
  if (strng != "Can\'t touch this!") {
     error = "You altered the inviolate text area.\n";
  }
return error;
}

// exactly one radio button is chosen
function checkRadio(checkvalue) {
var error = "";
   if (!(checkvalue)) {
       error = "Please check a radio button.\n";
    }
return error;
}

// valid selector from dropdown list
function checkDropdown(choice) {
var error = "";
    if (choice == 0) {
    error = "You didn't choose an option from the drop-down list.\n";
    }    
return error;
}