Little time ago I install Ijoomla Guru 5 and only now I realize that tutorials not opening in modal window. I get error ReferenceError: openMyModalNew is not defined. As right now I haven't access to their forum I can't ask them about that. Maybe some of you faced with this problem or know how to resolve that.
It looks like jQuery is loading before MooTools and this might be the cause of the issue.
Force MooTools to load first by adding the following line high up in the HEAD section of the template