/* on callback, hide the form and show the message */
function campaignUpdatescallback(responseText, statusText, xhr, $form)  {
    var form = document.getElementById("campaignUpdatesForm");
    form.style.display = "none";
    var output = document.getElementById("campaignUpdatesOutput");
    output.style.display = "block";
}

/* Vanish input text if is default */
function vanishInput(input, defaultValue) {
    if (defaultValue  == input.value) {
        input.value= "";
    }
    input.select();
}

/* Reset input text to default if empty */
function resetInput(input, defaultValue) {
    if("" == input.value) {
        input.value = defaultValue;
    }
}