diff --git a/xpfe/components/bookmarks/resources/oTest.xul b/xpfe/components/bookmarks/resources/oTest.xul
index b749adb73262..d4c6a300b66a 100644
--- a/xpfe/components/bookmarks/resources/oTest.xul
+++ b/xpfe/components/bookmarks/resources/oTest.xul
@@ -56,6 +56,23 @@
       var builder = outliner.builder.QueryInterface(Components.interfaces.nsIXULOutlinerBuilder);
       builder.addObserver(bookmarksBuilderObserver);
     }
+
+    function getItemRect(aEvent)
+    {
+      var outliner = document.getElementById("outliner-proper");
+      var obo = outliner.boxObject.QueryInterface(Components.interfaces.nsIOutlinerBoxObject);  
+      var row = { };
+      var col = { };
+      var elt = { };
+      obo.getCellAt(aEvent.clientX, aEvent.clientY, row, col, elt);
+
+      var x = { };
+      var y = { };
+      var w = { };
+      var h = { };
+      obo.getCoordsForCellItem(row.value, col.value, "text", x, y, w, h);
+      dump("*** (x,y) = (" + x.value + "," + y.value + "); (w,h) = (" + w.value + "," + h.value + ");\n");
+    }
   ]]>
   </script>
 
@@ -65,7 +82,7 @@
     </toolbar>
   </toolbox>
 
-  <outliner flex="1" flags="dont-test-empty">
+  <outliner flex="1" flags="dont-test-empty" id="outliner-proper">
     <outlinercol id="NameColumn"
                  class="outlinercol-header outlinercol-inset-header sortDirectionIndicator"
                  flex="1"
@@ -85,7 +102,7 @@
                  persist="width hidden sortActive sortDirection" />
 
     <outlinerbody id="tree" datasources="rdf:bookmarks rdf:internetsearch rdf:files" flex="1"
-                  onclick="OnClick(event);" ref="NC:BookmarksRoot">
+                  onclick="getItemRect(event);" ref="NC:BookmarksRoot">
       <template>
         <outlinerrow uri="rdf:*" properties="rdf:http://www.w3.org/1999/02/22-rdf-syntax-ns#type rdf:http://home.netscape.com/NC-rdf#loading">
           <outlinercell ref="NameColumn"