Index: typo3/sysext/t3editor/res/jslib/t3editor.js
===================================================================
--- typo3/sysext/t3editor/res/jslib/t3editor.js	(revision 10275)
+++ typo3/sysext/t3editor/res/jslib/t3editor.js	(working copy)
@@ -278,6 +278,13 @@
 		&& !Prototype.Browser.WebKit) {
 
 		if (index == undefined) {
+			if (top.TYPO3.BackendUserSettings) {
+				top.TYPO3.BackendUserSettings.ExtDirect.set(
+					'disableT3Editor',
+					checkbox.checked,
+					function(response) {}
+				);
+			}
 			$$('textarea.t3editor').each(
 				function(textarea, i) {
 					T3editor.toggleEditor(checkbox, i);
Index: typo3/sysext/t3editor/classes/class.tx_t3editor.php
===================================================================
--- typo3/sysext/t3editor/classes/class.tx_t3editor.php	(revision 10275)
+++ typo3/sysext/t3editor/classes/class.tx_t3editor.php	(working copy)
@@ -125,31 +125,11 @@
 	 * @return	void
 	 */
 	public function __construct() {
-		$this->checkEditorIsDisabled();
-
 			// disable pmktextarea to avoid conflicts (thanks Peter Klein for this suggestion)
 		$GLOBALS["BE_USER"]->uc['disablePMKTextarea'] = 1;
 	}
 
 	/**
-	 * check if the t3editor should be disabled (by a POST value)
-	 */
-	protected function checkEditorIsDisabled() {
-		$editorIsDisabled = t3lib_div::_POST('t3editor_disableEditor');
-
-		if (!empty($editorIsDisabled)) {
-			$editorIsDisabled = ($editorIsDisabled == 'true');
-		} else {
-			$editorIsDisabled = $GLOBALS['BE_USER']->uc['disableT3Editor'];
-		}
-
-		if ($GLOBALS['BE_USER']->uc['disableT3Editor'] != $editorIsDisabled) {
-			$GLOBALS['BE_USER']->uc['disableT3Editor'] = $editorIsDisabled;
-			$GLOBALS['BE_USER']->writeUC();
-		}
-	}
-
-	/**
 	 * Retrieves JavaScript code (header part) for editor
 	 *
 	 * @param 	template	$doc