HTML code is off??

Just noticed tonight that I am unable to access the spell checker, the smiles, and also unable to access the Bold, Underline, etc. I also noticed that the HTML code is now set to off. I am unaware if I changed any of the settings, or if something has changed on the site.
When I try to "Preview Post" ... I can see all the HTML code ... , less than sign "P" greater than sign, slash symbol, etc ... Is it happening to you also?

Sorry about that ... it must have been a hiccup on my computer last night. Everything seems OK this morning and the functions seems to be working again.