Index: typo3/backend.php
===================================================================
--- typo3/backend.php	(Revision 7584)
+++ typo3/backend.php	(Arbeitskopie)
@@ -145,6 +145,8 @@
 		if (isset($GLOBALS['TBE_STYLES']['dims']['leftMenuFrameW']) && (int) $GLOBALS['TBE_STYLES']['dims']['leftMenuFrameW'] != (int) $this->menuWidth) {
 			$this->menuWidth = (int) $GLOBALS['TBE_STYLES']['dims']['leftMenuFrameW'];
 		}
+
+		$this->executeHook('constructPostProcess');
 	}
 
 	/**
@@ -182,6 +184,7 @@
 	 * @return	void
 	 */
 	public function render()	{
+		$this->executeHook('renderPreProcess');
 
 			// prepare the scaffolding, at this point extension may still add javascript and css
 		$logo         = t3lib_div::makeInstance('TYPO3Logo');
@@ -255,6 +258,8 @@
 		$this->content .= $backendScaffolding;
 		$this->content .= $GLOBALS['TBE_TEMPLATE']->endPage();
 
+		$this->executeHook('renderPostProcess');
+
 		echo $this->content;
 	}
 
@@ -677,6 +682,23 @@
 			unset($toolbarItem);
 		}
 	}
+
+	/**
+	 * Executes defined hooks functions for the given identifier.
+	 *
+	 * @param string $identifier Specific hook identifier
+	 * @return void
+	 */
+	protected function executeHook($identifier) {
+		$options =& $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/backend.php'];
+
+		if(isset($options[$identifier]) && is_array($options[$identifier])) {
+			foreach($options[$identifier] as $hookFunction) {
+				$hookConfiguration = array();
+				t3lib_div::callUserFunction($hookFunction, $hookConfiguration, $this);
+			}
+		}
+	}
 }