diff --git a/Classes/PHPExcel/Writer/HTML.php b/Classes/PHPExcel/Writer/HTML.php
index 46adb2ee..9d6ed595 100644
--- a/Classes/PHPExcel/Writer/HTML.php
+++ b/Classes/PHPExcel/Writer/HTML.php
@@ -638,7 +638,6 @@ class PHPExcel_Writer_HTML extends PHPExcel_Writer_Abstract implements PHPExcel_
 			if ($chart instanceof PHPExcel_Chart) {
 			    $chartCoordinates = $chart->getTopLeftPosition();
 				if ($chartCoordinates['cell'] == $coordinates) {
-//					$chartFileName = tempnam(PHPExcel_Shared_File::sys_get_temp_dir(),'xlc');
 					$chartFileName = PHPExcel_Shared_File::sys_get_temp_dir().'/'.uniqid().'.png';
 					if (!$chart->render($chartFileName)) {
 						return;
diff --git a/Examples/06largescale-with-cellcaching.php b/Examples/06largescale-with-cellcaching.php
new file mode 100644
index 00000000..8ebfa82d
--- /dev/null
+++ b/Examples/06largescale-with-cellcaching.php
@@ -0,0 +1,117 @@
+<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (C) 2006 - 2012 PHPExcel
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel
+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    ##VERSION##, ##DATE##
+ */
+
+/** Error reporting */
+error_reporting(E_ALL);
+ini_set('display_errors', TRUE);
+ini_set('display_startup_errors', TRUE);
+
+define('EOL',(PHP_SAPI == 'cli') ? PHP_EOL : '<br />');
+
+date_default_timezone_set('Europe/London');
+
+/** Include PHPExcel */
+require_once '../Classes/PHPExcel.php';
+
+$cacheMethod = PHPExcel_CachedObjectStorageFactory::cache_in_memory_gzip;
+PHPExcel_Settings::setCacheStorageMethod($cacheMethod);
+
+
+// Create new PHPExcel object
+echo date('H:i:s') , " Create new PHPExcel object" , EOL;
+$objPHPExcel = new PHPExcel();
+
+// Set document properties
+echo date('H:i:s') , " Set properties" , EOL;
+$objPHPExcel->getProperties()->setCreator("Maarten Balliauw")
+							 ->setLastModifiedBy("Maarten Balliauw")
+							 ->setTitle("Office 2007 XLSX Test Document")
+							 ->setSubject("Office 2007 XLSX Test Document")
+							 ->setDescription("Test document for Office 2007 XLSX, generated using PHP classes.")
+							 ->setKeywords("office 2007 openxml php")
+							 ->setCategory("Test result file");
+
+
+// Create a first sheet
+echo date('H:i:s') , " Add data" , EOL;
+$objPHPExcel->setActiveSheetIndex(0);
+$objPHPExcel->getActiveSheet()->setCellValue('A1', "Firstname");
+$objPHPExcel->getActiveSheet()->setCellValue('B1', "Lastname");
+$objPHPExcel->getActiveSheet()->setCellValue('C1', "Phone");
+$objPHPExcel->getActiveSheet()->setCellValue('D1', "Fax");
+$objPHPExcel->getActiveSheet()->setCellValue('E1', "Is Client ?");
+
+
+// Hide "Phone" and "fax" column
+echo date('H:i:s') , " Hide 'Phone' and 'fax' columns" , EOL;
+$objPHPExcel->getActiveSheet()->getColumnDimension('C')->setVisible(false);
+$objPHPExcel->getActiveSheet()->getColumnDimension('D')->setVisible(false);
+
+
+// Set outline levels
+echo date('H:i:s') , " Set outline levels" , EOL;
+$objPHPExcel->getActiveSheet()->getColumnDimension('E')->setOutlineLevel(1)
+                                                       ->setVisible(false)
+                                                       ->setCollapsed(true);
+
+// Freeze panes
+echo date('H:i:s') , " Freeze panes" , EOL;
+$objPHPExcel->getActiveSheet()->freezePane('A2');
+
+
+// Rows to repeat at top
+echo date('H:i:s') , " Rows to repeat at top" , EOL;
+$objPHPExcel->getActiveSheet()->getPageSetup()->setRowsToRepeatAtTopByStartAndEnd(1, 1);
+
+
+// Add data
+for ($i = 2; $i <= 5000; $i++) {
+	$objPHPExcel->getActiveSheet()->setCellValue('A' . $i, "FName $i")
+	                              ->setCellValue('B' . $i, "LName $i")
+	                              ->setCellValue('C' . $i, "PhoneNo $i")
+	                              ->setCellValue('D' . $i, "FaxNo $i")
+	                              ->setCellValue('E' . $i, true);
+}
+
+
+// Set active sheet index to the first sheet, so Excel opens this as the first sheet
+$objPHPExcel->setActiveSheetIndex(0);
+
+
+// Save Excel 2007 file
+echo date('H:i:s') , " Write to Excel2007 format" , EOL;
+$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
+$objWriter->save(str_replace('.php', '.xlsx', __FILE__));
+echo date('H:i:s') , " File written to " , str_replace('.php', '.xlsx', pathinfo(__FILE__, PATHINFO_BASENAME)) , EOL;
+
+
+// Echo memory peak usage
+echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) , " MB" , EOL;
+
+// Echo done
+echo date('H:i:s') , " Done writing file" , EOL;
+echo 'File has been created in ' , getcwd() , EOL;
diff --git a/Examples/runall.php b/Examples/runall.php
index 3bc846ab..be3c73f6 100644
--- a/Examples/runall.php
+++ b/Examples/runall.php
@@ -41,6 +41,7 @@ $aTests = array(
 	, '04printing.php'
 	, '05featuredemo.php'
 	, '06largescale.php'
+	, '06largescale-with-cellcaching.php'
 	, '06largescale-xls.php'
 	, '07reader.php'
 	, '08conditionalformatting.php'
@@ -82,6 +83,7 @@ $aTests = array(
 	, '33chartcreate-radar.php'
 	, '34chartupdate.php'
 	, '35chartrender.php'
+	, '36chartreadwriteHTML.php'
 	, 'OOCalcReader.php'
 	, 'SylkReader.php'
 	, 'Excel2003XMLReader.php'