context: function SortToPreviousSettings(){  if (dirTree && resultsTree) {    var ref = resultsTree.getAttribute("ref");    var folder = document.getElementById(ref);    if (folder) {      var column = folder.getAttribute("sortColumn");        var key = folder.getAttribute("sortKey");      var direction = folder.getAttribute("sortDirection");            if (!column || !key) {        column = "NameColumn";        key = "http://home.netscape.com/NC-rdf#Name";      }      if (!direction)        direction = "ascending";            UpdateSortIndicator(column,direction);            DoSort(column, key, direction);    }    }}
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