function showAdvert() {
	openSimpleCenterWindow('../advertisement/kindyroo_international.html',740,500,'');
}
function openSimpleCenterWindow(aPage, aW, aH, Options){
  var Opt = Options || '';
  if (Opt == '') { 
    Opt = "resizable=0,toolbar=0,status=0,dependent=1,";
  } else if (Opt == 'none') {
    Opt = "resizable=yes,toolbar=yes,status=yes,dependent=0,";
  } else {
    Opt = Opt + ',';
  }
  var cX = (screen.availWidth - aW) / 2;
  var cY = (screen.availHeight - aH) / 2;
  presWind=window.open("","presWind",Opt+"width="+aW+",height="+aH);
  presWind.location=aPage;
  with (presWind) {
    moveTo(cX, cY);
  }
}
function showAdvert2() {
	openSimpleCenterWindow('advertisement/kindyroo_international.html',740,500,'');
}
function openSimpleCenterWindow(aPage, aW, aH, Options){
  var Opt = Options || '';
  if (Opt == '') { 
    Opt = "resizable=0,toolbar=0,status=0,dependent=1,";
  } else if (Opt == 'none') {
    Opt = "resizable=yes,toolbar=yes,status=yes,dependent=0,";
  } else {
    Opt = Opt + ',';
  }
  var cX = (screen.availWidth - aW) / 2;
  var cY = (screen.availHeight - aH) / 2;
  presWind=window.open("","presWind",Opt+"width="+aW+",height="+aH);
  presWind.location=aPage;
  with (presWind) {
    moveTo(cX, cY);
  }
}