var popunder="http://static.poppen.de/ext_content/exit_g.html";

var once_per_session=1; //if set to 1, only load once per session


function get_cookie(Name) {
  var search = Name + "=";
  var returnvalue = "";
  if (document.cookie.length > 0) {
    var offset = document.cookie.indexOf(search);
    if (offset != -1) { // if cookie exists
      offset += search.length;
      // set index of beginning of value
      var 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 loadornot(){
	if (get_cookie('popunder')==='')
	{
		loadpopunder();
	}
}

function loadpopunder(){
	if (get_cookie('popunder_guest')==='' && get_cookie('popunder_logout')==='')
	{
		//dont show the popunder for the first week 
		var win2=window.open(popunder,'exit',"height=768,width=1024,status=yes,location=yes,resizable=yes,menubar=yes,toolbar=yes,scrollbars=yes");
		if (win2) {
			win2.blur();
			window.focus();
		}
		//create cookie for not showing another popunder after login for normalo users
		var today = new Date();
        today.setTime( today.getTime() );
		expires = 60 * 60 * 1000 * 4;
		var expires_date = new Date( today.getTime() + (expires) );
		
		document.cookie="popunder_logout=yes;expires=" + expires_date.toGMTString();
	
	}
}


if (once_per_session===0) {
	loadpopunder();
} else {
	loadornot();
}