Fix event targetting bugs by using paint layers in GetFrameForPoint, testing for visibility, and trying GetFrameForPoint on additional views if one fails. r=joki@netscape.com(, hyatt@netscape.com) b=12232,20051,21304,24474,26785, and remaining issues from 23161.

git-svn-id: svn://10.0.0.236/trunk@63689 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/layout/html/table/src/nsTableFrame.cpp

@@ -1283,6 +1283,16 @@ NS_METHOD nsTableFrame::Paint(nsIPresContext* aPresContext,
                         aWhichLayer);*/
 }
 
+NS_IMETHODIMP
+nsTableFrame::GetFrameForPoint(nsIPresContext* aPresContext,
+                                   const nsPoint& aPoint, 
+                                   nsFramePaintLayer aWhichLayer,
+                                   nsIFrame**     aFrame)
+{
+  // this should act like a block, so we need to override
+  return GetFrameForPointUsing(aPresContext, aPoint, nsnull, aWhichLayer, (aWhichLayer == NS_FRAME_PAINT_LAYER_BACKGROUND), aFrame);
+}
+
 
 //null range means the whole thing
 NS_IMETHODIMP