***************
*** 2178,2195 ****
        {
          *aCancel = PR_TRUE;
          return NS_OK;
        }
  
        // dont cross table boundaries
        PRBool bInDifTblElems;
        res = InDifferentTableElements(leftNode, rightNode, &bInDifTblElems);
-       if (NS_FAILED(res) || bInDifTblElems) return res;
- 
        // find the relavent blocks
        if (IsBlockNode(leftNode))
          leftParent = leftNode;
        else
          leftParent = mHTMLEditor->GetBlockNodeParent(leftNode);
        if (IsBlockNode(rightNode))
          rightParent = rightNode;
        else
--- 2178,2198 ----
        {
          *aCancel = PR_TRUE;
          return NS_OK;
        }
  
        // dont cross table boundaries
        PRBool bInDifTblElems;
        res = InDifferentTableElements(leftNode, rightNode, &bInDifTblElems);
+       if (NS_FAILED(res) || bInDifTblElems)
+       {
+          *aCancel = PR_TRUE;          // Indicating that the operation has to stopped when we are crossing the table 
+          return res;                         // cell boundary.
+       }
        // find the relavent blocks
        if (IsBlockNode(leftNode))
          leftParent = leftNode;
        else
          leftParent = mHTMLEditor->GetBlockNodeParent(leftNode);
        if (IsBlockNode(rightNode))
          rightParent = rightNode;
        else