The issue is exactly like I said in post #2…
you optimizepress theme is not following the wp standards and loading its own version of jquery:
<script src=”http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js” type=”text/javascript”>
and its a very, very, very old version at that… wp loads its version of jquery (which is 1.7.2)… so having two incompatible versions of jquery is a recipe for problems…
you need to correct the theme… I seem to remember other threads on this theme – does it have an option for turning off the loading of its own jquery?? if not, find where its loaded in the theme and we can help correct it…