clean up
only using clicked item in browse window for its index; then use this index to look up other data. reduced to one column
clean up
cleanup
save reqest num of current browse request. sendRequest returns request number, get volume using getAvValue(id)
added method to get browse items. updateBrowseWindow now uses this instead of the browseList variable.
use json data for browseContainer
removed extra loadAv methods. coming back to that later