Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
You should be able to close the Aristois GUI with the key that you open it with. So if you clicked right shift to open it, you should be able to close it with right shift as well, so you don't have to reach all the way to the escape key.