Issue #242316, D6 upgrade. Don't initialize theme as we now can't rely on it being already initialized when calling theme data method.

Fix bug introduced in previous commit (collapsed menus weren't expanding again due to error in handling of 'animating' class).

Issue #195111, modified version of patch by dman. Upgrade activemenu.js to newer jQuery version, compatible with jQuery update module, but maintain backward compatibility.

Make closed-by-default blocks stay open on subsequent pageloads once clicked

Issue #190524, apply patch to jscalendar library for IE7 functionality. Patch from http://sourceforge.net/tracker/index.php?func=detail&aid=1679433&group_id=75569&atid=544287 by pjcollier.

Followup changes for #178173. CSS tweaks to padding and clearing. Also  improve slightly weighting of tabs in tabs module, following forms.inc approach.

Followup changes for #178173. Reset weight of tabs when weight is 0. Return false from button click to avoid form submission.

Issue #165640, tabs missing call to jstools_add_js(). Also switching other calls to be direct rather than using module_invoke (not needed now we have module dependencies).