closetime = 3; 
function Start(URL, WIDTH, HEIGHT) {
windowprops = "left=50,top=50,width=" + WIDTH + ",height=" + HEIGHT;
preview = window.open(URL, "preview", windowprops);
if (closetime) setTimeout("preview.close();", closetime*1000);
}

function doPopup(){
if(GetCookie("sid") == "999"){return;}
document.cookie="sid=999; Path=/; Expires= " + getFuture(999);
url = "http://www.zzounds.com/a--304320";
width = 25;  
height = 25; 
delay = 0;    
timer = setTimeout("Start(url, width, height)", delay*1000);
}

// Cookie functions 

function getFuture(f){
var d = new Date();
d.setTime(d.getTime() + (86400000 * f));
return d;
}

function GetCookie (name) {
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen) {
  var j = i + alen;
  if (document.cookie.substring(i, j) == arg)
  return getCookieVal (j);
  i = document.cookie.indexOf(" ", i) + 1;
  if (i == 0) break; 
  }
  return null;
  }

function getCookieVal (offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
  endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset, endstr));
}

window.onload=doPopup;