According to http://stackoverflow.com/questions/4804604/html5-iframe-seamless-attribute http://stackoverflow.com/questions/4804604/html5-iframe-seam... the attr

According to http://stackoverflow.com/questions/4804604/html5-iframe-seamless-attribute http://stackoverflow.com/questions/4804604/html5-iframe-seam... the attribute is still in draft and isn't implemented in any browsers yet.