//specify page to pop-under
var popunder="http://www.net-builder.hu";

//Pop-under only once per browser session? (0=no, 1=yes)
//Specifying 0 will cause popunder to load every time page is loaded
var once_per_session=0

///No editing beyond here required/////

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

function loadpopunder(){
  win2=window.open(popunder)
  win2.blur()
  window.focus()
}

if (once_per_session==0)
  loadpopunder()
else
  loadornot()