// page to popunder
var popurl="http://www.modelairplanesecrets.com/discounts.html"

// popunder features
var winfeatures="width=600,height=400,scrollbars=1,resizable=1,toolbar=1,location=0,menubar=1,status=1,directories=0"
var once_per_session=0
var once_per_time=0
var popfrequency="10 minutes"
var popunder=1

function get_cookie(Name) {
	var search = Name + "="
	var returnvalue = "";
	if (document.cookie.length > 0) {
 		offset = document.cookie.indexOf(search)
 		if (offset != -1) { // if cookie exists
			offset += search.length
			// set index of beginning of value
			end = document.cookie.indexOf(";", offset);
			// set index of end of cookie value
			if (end == -1) end = document.cookie.length;
			returnvalue=unescape(document.cookie.substring(offset, end))
      		}
   	}
	return returnvalue;
}

function resetcookie(){
	var expireDate = new Date()
	expireDate.setMinutes(expireDate.getMinutes()-10)
	document.cookie = "popunder=;path=/;expires=" + expireDate.toGMTString()
}

function loadornot_session(){
	if (get_cookie('popunder')==''){
		loadpopunder()
		document.cookie="popunder=yes"
	}
}

function loadornot_time(){
	if (get_cookie('popunder')==''){
		loadpopunder()
		var expireDate = new Date()
		expireDate.setMinutes(expireDate.getMinutes()+parseInt(popfrequency))
		document.cookie = "popunder="+parseInt(popfrequency)+";path=/;expires=" + expireDate.toGMTString()
	}
}

function loadpopunder(){
	win2=window.open(popurl,"",winfeatures)
	if (popunder) {
		win2.blur()
		window.focus()
	}
}

if (once_per_session==1) loadornot_session()
else if (once_per_time==1) {
	if (get_cookie('popunder')!=parseInt(popfrequency)) resetcookie()
	loadornot_time()
}
else loadpopunder()