function checkSubmitWTCMailingList() {
    //Check that required fields have been completed
    if ((document.getElementById('mlFirstName').value === '') || (document.getElementById('mlFirstName').value == 'First Name')) {
        alert("You must enter your First Name.");
        document.getElementById('mlFirstName').focus();
        return false;
    }
    if ((document.getElementById('mlEmailAddress').value === '') || (document.getElementById('mlEmailAddress').value == 'Email Address')) {
        alert("You must enter your Email Address.");
        document.getElementById('mlEmailAddress').focus();
        return false;
    }
    //Validate fields
    var checkEmail = "@.";
    var checkStr = document.getElementById('mlEmailAddress').value;
    var EmailValid = false;
    var EmailAt = false;
    var EmailPeriod = false;
    for (i = 0; i < checkStr.length; i++) {
        ch = checkStr.charAt(i);
        for (j = 0; j < checkEmail.length; j++) {
            if ((ch == checkEmail.charAt(j)) && (ch == "@"))
            { EmailAt = true; }
            if ((ch == checkEmail.charAt(j)) && (ch == "."))
            { EmailPeriod = true; }
            if ((EmailAt) && (EmailPeriod))
            { break; }
            if ((j) == (checkEmail.length))
            { break; }
        }
        if ((EmailAt) && (EmailPeriod)) {
            EmailValid = true;
            break;
        }
    }
    if (!EmailValid) {
        alert("You must enter a valid Email Address.");
        document.getElementById('mlEmailAddress').focus();
        return false;
    }
}

function JoinTheWTCMailingList(id, str) {
    if (document.getElementById(id).value == str) {
        document.getElementById(id).fontStyle = 'normal';
        document.getElementById(id).value = '';
    }
    else if (document.getElementById(id).value === '') {
        document.getElementById(id).fontStyle = 'italic';
        document.getElementById(id).value = str;
    }
}