/*
function offer_newsletter_pu(){

	// if the function we need is not around, fail silently
	if (!getCookie){ return; }
	
	// if cookie is there, then suppress the offer
	if (getCookie('offer_newsletter_suppress')){ return; }

	// otherwise, show the popup
	var flags = 'width=800,height=480,resizable=1';
	var win = window.open('/pu_offer_newsletter.php', 'puou', flags);
	
	// per a tip on http://www.irt.org/script/215.htm
	win.opener = self;
	
	// and an alert for debugging
	// alert('offer_newsletter_pu: exiting');

}

*/

function offer_newsletter_redirect(url){
	var opener = window.opener;
	if (!opener) { return; }
	opener.location.href = url;
	return;
}

if (getCookie && setCookie){
	$(document).ready(
		function(){

			var numViewsInSession = getCookie('NumViewsInSession');

			if (numViewsInSession){
			
				// cookies enabled

				numViewsInSession++;

				// console.log('onload: numViewsInSession = '+numViewsInSession);
			
				if (!getCookie('NewsletterPopupSeen')){

					// console.log('Popup not seen');
				
					if (numViewsInSession >= 4){

						// console.log('eligible for popup');

						var flags = 'width=800,height=480,resizable=1';
						var win = window.open('/pu_offer_newsletter.php', 'puou', flags);

						// per a tip on http://www.irt.org/script/215.htm
						win.opener = self;
						
						setCookie('NewsletterPopupSeen', 1, 90 * 24 * 60 * 60, '/');
					}

				}

				setCookie('NumViewsInSession', numViewsInSession,  30 * 60, '/');

			} else {
		
				// first time or cookies disabled,so lets start a counter
				setCookie('NumViewsInSession', 1,  30 * 60, '/');
			}
		}
	);
}