var nn_undefined;
function nn_isNull(object) {
return nn_undefined == object || object == null;
}
var nn_THREE_YEARS_IN_MILLIS = (1000 * 60 * 60 * 24 * 365 * 3);
var nn_waitForCookieFunctor = null;
/* public */ function nn_Cookie(name) {
/* public */
this.setCookie = nn_Cookie_setCookie;
this.getCookie = nn_Cookie_getCookie;
this.expireCookie = nn_Cookie_expireCookie;
this.registerCallbackForWhenCookieExists = nn_Cookie_registerCallbackForWhenCookieExists;
/* private */
this.m_name = name;
}
/* private */ function nn_Cookie_getExpirationDate(expireDate) {
if (!nn_isNull(expireDate)) {
return expireDate;
} else {
return new Date(new Date().getTime() + nn_THREE_YEARS_IN_MILLIS);
}
}
/* private */ function nn_Cookie_getExpirationDateAsString(expireDate) {
return nn_Cookie_getExpirationDate(expireDate).toGMTString();
}
/* public */ function nn_Cookie_setCookie(name, value, expireDate, domain) {
var cookieDescription = name + "=" + escape(value);
cookieDescription += "; path=/";
cookieDescription += "; expires=" + nn_Cookie_getExpirationDateAsString(expireDate);
if (!nn_isNull(domain)) {
cookieDescription += "; domain=" + escape(domain);
}
document.cookie = cookieDescription;
}
/* public */ function nn_Cookie_getCookie(name) {
var key = name + "=";
var startOfCookie = document.cookie.indexOf("; " + key);
if (-1 != startOfCookie) {
startOfCookie += 2;
} else if (0 == document.cookie.indexOf(key)) {
startOfCookie = 0;
} else {
return null;
}
var endOfCookie = document.cookie.indexOf(";", startOfCookie);
if (endOfCookie == -1) {
endOfCookie = document.cookie.length;
}
var value = document.cookie.substring(startOfCookie + key.length, endOfCookie);
return unescape(value);
}
/* public */ function nn_Cookie_expireCookie(name, domain) {
var expiredTime = new Date(new Date().getTime() - 1);
nn_Cookie_setCookie(name, "", expiredTime, domain);
}
/* public */ function nn_Cookie_registerCallbackForWhenCookieExists(callback) {
nn_waitForCookieFunctor = new nn_WaitForCookieFunctor(this.m_name, callback);
nn_waitForCookieFunctor.execute();
}
/* private */ function nn_WaitForCookieFunctor(cookieName, callback) {
/* public */
this.execute = nn_WaitForCookieFunctor_execute;
/* private */
this.m_cookieName = cookieName;
this.m_callback = callback;
}
/* private */ function nn_WaitForCookieFunctor_execute() {
nn_waitForCookieFunctor = this;
if (!nn_isNull(nn_Cookie_getCookie(this.m_cookieName))) {
this.m_callback();
} else {
setTimeout("nn_waitForCookieFunctor.execute()", 500);
}
}
new nn_Cookie("V").registerCallbackForWhenCookieExists(display_survey);
function display_survey() {
var visitorCookie = new nn_Cookie("V");
var visitorId = parseInt(visitorCookie.getCookie("V"));
var panelistRatio = 2048;
if ((visitorId % panelistRatio) == 0) {
var request_url = "/survey/display_survey.html?c=122&r=" + escape("Not Your Business!");
document.write("");
}
}