Retrieving elements from an iFrame can be complicated process due to cross-browser incompatibility. While one method might work for a user accessing your site with Internet Explorer, it may not work ...

ifr1:{url:"about:blank", sameDom: true}, ifr2:{url:"about:blank", sameDom: true}, ifr3:{url: location.href.replace(/\/[^\/]*$/, '/'), sameDom: true }, ifr4:{url ...