prevent repeat renderings of opac sidebar (relevant subjects, authors, etc.) in Firefox. What's happening is that the rresultHandleMods is not firing immediately with each record retrieve, and so we get a flurry at the end where resultPageIsDone() returns true for all of them, triggering the allRecordsReceived event more than once. So now at the end of the first allRecordsReceived event chain, we set a global variable, and have these render functions check to see if it has been set.
git-svn-id: svn://svn.open-ils.org/ILS/branches/rel_1_6_1@18157
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