It sounds like the javascript is not working for you, as those are all things that would happen when javascript is disabled. I suggest doing a full cache clear in your browser and trying again. If it is still bugging out, try disabling all your addons and see if one of those is causing trouble. If that still doesn't help, bring up the javascript error console (ctrl + shift + j), select the "Errors" tab, clear all the errors, and then load a page where you are having these issues and let me know what errors appear there :)
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