var popunder="http://ad.uk.doubleclick.net/clk;216500646;39111393;z"
var winfeatures="width=800,height=500,scrollbars=1,resizable=1,toolbar=1,location=1,menubar=1,status=1,directories=0"
var once_per_session = 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 zing(){
if (get_cookie('popunder')==''){
	win2=window.open(popunder,"",winfeatures)
	win2.blur()
	window.focus()
	document.cookie="popunder=yes"
	}
}

<!--
/****************************************************
     Author: Eric King
     Url: http://redrival.com/eak/index.shtml
     This script is free to use as long as this info is left in
     Featured on Dynamic Drive script library (http://www.dynamicdrive.com)
****************************************************/
var win=null;
function NewWindow(mypage,myname,w,h,pos){
if(pos=="random"){LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
if(pos=="center"){LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;}
else if((pos!="center" && pos!="random") || pos==null){LeftPosition=0;TopPosition=20}
settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
win=window.open(mypage,myname,settings);}
// -->