Firefox bug

Location of this file is: http://www.mydomain.nl/index.html

Note: the iframe is located at another domain (non https): http://otherdomain.nl/

When displaying a HTML5 page with a sandboxed iframe a window.open event results in a error: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIDOMJSWindow.open]