function changePref(prf) {
	var expDate = new Date(); 
	expDate.setDate(expDate.getDate()+180);
	document.cookie = 'pbskids.mediaprefs='+prf+'%7Chi; expires='+expDate.toGMTString()+'; path=/';
	if (opener != null && !opener.closed) {
		opener.location.reload(true);
		self.close();
		return false;
	} else {
		return true;
	}
}
function popNav(page) {
	if (opener != null && !opener.closed) {
		opener.location.href=page;
		self.close();
		return false;
	} else {
		return true;
	}
}
function noStat() { status = ''; return true; }