// Name

// a function that will determine if an email address contains both "." and "@" symbols

// a function that will return the username portion of an email address

// a function that will return the domain portion of an email address

function btnParseAddress_onclick()
{
    // assign textbox elements to variables for easier access
    var addressTextbox = document.getElementById("txtAddress");
    var outputTextbox = document.getElementById("txtOutput");

    var emailAddress = addressTextbox.value;

    if(validEmail(emailAddress)){
        //Very important and meaningful message, as the project requires!
        outputTextbox.value =
            "User: " + emailUsername(emailAddress) + "\nDomain:" + emailDomain(emailAddress) +
            "\n\nWelcome to nakedgirls.com!\n" +
            "\n\nAs the only member to have registered over 13+ million movie rentals," +
            "we thought it would be only fair to send you an honorary \"Golden Phalus\"!\n\nThank you very much.";
    }
    else{
        outputTextbox.value = "Invalid Email Address";
    }
}

function validEmail(emailAddress){
    for(i = 0; i < emailAddress.length; i++){
        if(emailAddress.charAt(i) == '@'){
            for(j = 0; j < emailAddress.length; j++){
                if(emailAddress.charAt(j) == '.'){
                    return true;
                }
            }
            //In case some idiot fills the field with a million '@'s; doesn't get called multiplicative.
            return false;
        }
    }
    return false;
}

function emailUsername(emailAddress){
    var splitValue = emailAddress.split('@');
    return splitValue[0];
}

function emailDomain(emailAddress){
    var splitValue = emailAddress.split('.');
    return splitValue[splitValue.length - 1];
}