rem: var isupports_uri = "component: 
add: var isupports_uri = "@mozilla.org/rdf/xul-sort-service;1"; 
context: function sort_column(column, direction){    var isupports_uri = "component://netscape/rdf/xul-sort-service";    var isupports = Components.classes[isupports_uri].getService();    if (!isupports) return false;    var xulSortService = isupports.QueryInterface(Components.interfaces.nsIXULSortService);    if (!xulSortService) return false;    try    {        var sort_resource = column.getAttribute('resource');        xulSortService.Sort(column, sort_resource, direction);    }    catch(ex)    {        debug("Exception calling xulSortService.Sort()");    }    update_sort_menuitems(column, direction);    return false;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/d39d9e6d59c22faad8026883681a6d4d3a0e4292/bm-find.js/buggy/xpfe/components/bookmarks/resources/bm-find.js