<html xmlns="http://www.w3.org/1999/xhtml" class="reftest-wait"> <head> <bindings xmlns="http://www.mozilla.org/xbl"><binding id="foo"><content> <frame xmlns="http://www.w3.org/1999/xhtml"><children xmlns="http://www.mozilla.org/xbl"/></frame> </content></binding></bindings> <script> function boom() { document.getElementById("span").style.MozBinding = "url('#foo')"; document.documentElement.removeAttribute("class"); } </script> </head> <body onload="setTimeout(boom, 100);"> <span id="span"></span> </body> </html>