From 12c81b8e6570a2b859e8584bb5429a5dedfed231 Mon Sep 17 00:00:00 2001
From: Allan Jardine <allan.jardine@sprymedia.co.uk>
Date: Sat, 23 Oct 2010 17:36:55 +0100
Subject: [PATCH] Updated: Store a complete representation of the column
 visibility state in aoData[]._anHidden (i.e. put in nulls for elements which
 are visible) to make manipulation much easier.

---
 media/js/jquery.dataTables.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/media/js/jquery.dataTables.js b/media/js/jquery.dataTables.js
index 0b51585c..b18bb58f 100644
--- a/media/js/jquery.dataTables.js
+++ b/media/js/jquery.dataTables.js
@@ -2576,6 +2576,7 @@
 				if ( oSettings.aoColumns[i].bVisible )
 				{
 					oSettings.aoData[iThisIndex].nTr.appendChild( nTd );
+					oSettings.aoData[iThisIndex]._anHidden[i] = null;
 				}
 				else
 				{
@@ -2738,6 +2739,10 @@
 							oSettings.aoData[iRow]._anHidden[iColumn] = nCell;
 							nCell.parentNode.removeChild( nCell );
 						}
+						else
+						{
+							oSettings.aoData[iRow]._anHidden[iColumn] = null;
+						}
 					}
 				}
 			}