Lost use of TAB and Capslock

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http://ubuntuforums.org – One of my cats evidently walked on my keyboard last night and caused some of my settings to change. My TAB key no longer allows me to switch between fields (regardless of the application), but ALT+TAB works just fine. Also, the Capslock button, pressed on its own, has no effect whatsoever. SHIFT+CAPSLOCK acts as the capslock feature. Does anyone know how I might be able to fix these problems? (Hardware)