Index: typo3/sysext/em/classes/index.php
===================================================================
--- typo3/sysext/em/classes/index.php	(Revision 9898)
+++ typo3/sysext/em/classes/index.php	(Arbeitskopie)
@@ -72,7 +72,7 @@
 	var $script = ''; //URL to this script
 
 
-	var $categories = array(); // Extension Categories (static var); see init()
+	public static $categories = array(); // Extension Categories (static var); see init()
 
 	var $states = array(); // Extension States; see init()
 
Index: typo3/sysext/em/classes/tools/class.tx_em_tools_xmlhandler.php
===================================================================
--- typo3/sysext/em/classes/tools/class.tx_em_tools_xmlhandler.php	(Revision 9898)
+++ typo3/sysext/em/classes/tools/class.tx_em_tools_xmlhandler.php	(Arbeitskopie)
@@ -110,7 +110,7 @@
 		}
 		$this->catArr = array();
 		$idx = 0;
-		foreach ($this->emObj->defaultCategories['cat'] as $catKey => $tmp) {
+		foreach ($this->emObj->categories as $catKey => $tmp) {
 			$this->catArr[$idx] = $catKey;
 			$idx++;
 		}
@@ -323,7 +323,7 @@
 
 		$this->revCatArr = array();
 		$idx = 0;
-		foreach ($this->emObj->defaultCategories['cat'] as $catKey => $tmp) {
+		foreach ($this->emObj->categories as $catKey => $tmp) {
 			$this->revCatArr[$catKey] = $idx++;
 		}