function inArray(needle, haystack){
  if ( needle == '') {
    return 0;
  }
  for(var i=0; i<haystack.length; i++) {
    if (haystack[i] == needle) {
        return 1;
    }
  }
  return 0;
}

function extractDomFromUrl(url){
    url = url.toLowerCase();
    if ((pos = url.indexOf('://')) > -1) {
        url = url.substring(pos + 3);
    }
    if ((pos = url.indexOf(':')) > -1) {
        url = url.substring(0,pos);
    }
    if ((pos = url.indexOf('/')) > -1) {
        url = url.substring(0,pos);
    }
    if ((pos = url.indexOf('?')) > -1) {
        url = url.substring(0,pos);
    }
    if ((pos = url.indexOf('&')) > -1) {
        url = url.substring(0,pos);
    }
    if ((pos = url.indexOf('#')) > -1) {
        url = url.substring(0,pos);
    }
    if (url.length <= 7) {
        return url;
    }
    tldprt = url.substring(url.length - 7);
    rstprt = url.substring(0, url.length -7);
    a = rstprt.split('.');
    return a[a.length - 1] + tldprt;
}

function isRefererBlocked(ref){
    if (!ref) {
        return 0;
    }
    dom = extractDomFromUrl(ref);
    return (inArray(dom, new Array('youporn.com')));
}

function isPublisherBlocked(pid){
    return (inArray(pid, new Array(13551)));
}