function validateInquiry() {
    var inputBox = document.getElementById("inquiryEmailEntry").getElementsByTagName("input")[0];
    
    if (!isValidEmail(new String(inputBox.value))) {
        alert("Please enter a valid email address.");
        inputBox.select();
        inputBox.focus();
        return false;
    }
    else {
        return true;
    }
}

function isValidEmail(email) {
    if (email.length < 1)
        return false;
        
    var atPos = email.lastIndexOf("@");
    var dotPos = email.lastIndexOf(".");

    if (atPos == -1 || dotPos == -1 || atPos > dotPos)
        return false;

    return true;
}