Thanks Garry. It was another custom plugin we had going. Some bad javascript that wasn’t playing nice with others. Sorry all for the chaff in the forum.
and do you have any other custom plugins that may be interfering with MM? To me, that looks suspiciously like a jQuery/Mootools conflict which would indicate that jQuery is not running in noConflict mode.
$output .= '$j("div#sectionTVsHeader").empty().prepend("'.jsSafe($newname).'");';
$output .= '$j("div.tmplvars").prev("div").empty().prepend("'.jsSafe($newname).'");';