function IsNumeric(sText) {
    var ValidChars = "0123456789.";
    var IsNumber = true;
    var Char;


    for (i = 0; i < sText.length && IsNumber == true; i++) {
        Char = sText.charAt(i);
        if (ValidChars.indexOf(Char) == -1) {
            IsNumber = false;
        }
    }
    return IsNumber;

}
function IsEmpty(aTextField) {
    if ((aTextField.value.length == 0) ||
                                 (aTextField.value == null)) {
        return true;
    }
    else { return false; }
}


function ValidateForm(form) {
        return true;
        if (!IsNumeric(form.txtCAP)) {
        alert('The answer to this question must be a number, like 9');
        form.txtCAP.focus();
        return false;
        }
    if (IsEmpty(form.txtCAP)) {
        alert('You cannot leave the number question blank')
        form.txtCAP.focus();
        return false;
        }
    if (form.txtCAP.value != '9') {
        alert('That is the wrong answer!');
        return false;
        }
    return true;