--- a/jdk/src/share/classes/javax/swing/plaf/synth/SynthTableUI.java	Tue May 25 20:22:44 2010 +0400
+++ b/jdk/src/share/classes/javax/swing/plaf/synth/SynthTableUI.java	Tue May 25 20:30:54 2010 +0400
@@ -361,12 +361,14 @@
             cMax = table.getColumnCount()-1;
         }
 
-        // Paint the grid.
-        paintGrid(context, g, rMin, rMax, cMin, cMax);
-
         // Paint the cells.
         paintCells(context, g, rMin, rMax, cMin, cMax);
 
+        // Paint the grid.
+        // it is important to paint the grid after the cells, otherwise the grid will be overpainted
+        // because in Synth cell renderers are likely to be opaque
+        paintGrid(context, g, rMin, rMax, cMin, cMax);
+
         paintDropLines(context, g);
     }