diff -uNr sw.old/source/core/docnode/ndtbl1.cxx sw.new/source/core/docnode/ndtbl1.cxx
--- sw.old/source/core/docnode/ndtbl1.cxx	2007-01-25 16:33:40.000000000 +0800
+++ sw.new/source/core/docnode/ndtbl1.cxx	2007-05-28 11:38:46.000000000 +0800
@@ -1414,7 +1414,7 @@
 		const SwLayoutFrm *pCell = pTab->FirstCell();
 		do
 		{
-            if ( pCell->IsCellFrm() && ::IsFrmInTblSel( rUnion, pCell ) )
+            if ( const_cast<SwLayoutFrm*>(pCell)->ImplFindTabFrm() == pTab && pCell->IsCellFrm() && ::IsFrmInTblSel( rUnion, pCell ) )
 			{
 				const long nCLeft  = (pCell->Frm().*fnRect->fnGetLeft)();
 				const long nCRight = (pCell->Frm().*fnRect->fnGetRight)();
@@ -1472,7 +1472,7 @@
 			}
 			pCell = pCell->GetNextLayoutLeaf();
 
-        } while ( pCell && const_cast<SwLayoutFrm*>(pCell)->ImplFindTabFrm() == pTab );
+        } while ( pCell && pTab->IsAnLower(pCell) );
 	}
 }