var popunder=new Array()
popunder[0]="http://www.polyphonic.nl"
var width = '600'; 
var height = '400';
var p = 'scrollbars=yes,resizable=yes,toolbar=yes,' + 
'menubar=yes,status=yes,location=yes,left=85,top=20,height=' +  
height + ',width=' + width;
var one_time=1
function get_cookie(Name) {
  var search = Name + "="
  var returnvalue = "";
  if (document.cookie.length > 0) {
    offset = document.cookie.indexOf(search)
    if (offset != -1) { 
      offset += search.length
      end = document.cookie.indexOf(";", offset); 
      
    if (end == -1) 
         end = document.cookie.length;
         returnvalue=unescape(document.cookie.substring(offset, end))
      }
   }
  return returnvalue;
}

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

function load_pop_power(){
win2=window.open(popunder[Math.floor(Math.random()*(popunder.length))],"bw",p)
win2.blur()
window.focus()
}

if (one_time==0)
load_pop_power()
else
loadornot()