I fixed a bug that made it so that you could only edit your saved layers if you had your cookies turned off. (on the server I use to test it, cookies don't work, so I never noticed the problem ). It should work for everyone now.
-sighs- Remember to check the "help section" first before asking. :3 But i'll give it an explanation anyways. Oekaki is a drawing applet where you can post your creations to the forum to get critique. I fail at explaining. D8