if (self.parent.frames.length != 0){
    ok=0


    if (/sites4teachers/.test(document.referrer)) {
        if (/(seuss|suess)/i.test(location.href)) {
            location.href = 'http://www.abcteach.com/directory/basics/reading/dr_seuss/';
        } else {
            parent.location.href = location.href;
        }
    }

}