Index: t3lib/class.t3lib_tceforms.php
===================================================================
--- t3lib/class.t3lib_tceforms.php	(revision 4436)
+++ t3lib/class.t3lib_tceforms.php	(working copy)
@@ -849,13 +849,15 @@
 					$PA['fieldConf']['config']['readOnly'] =  true;
 					$PA['itemFormElValue'] = $this->defaultLanguageData[$table.':'.$row['uid']][$field];
 				}
-
 					// Create a JavaScript code line which will ask the user to save/update the form due to changing the element. This is used for eg. "type" fields and others configured with "requestUpdate"
 				if (
 					($TCA[$table]['ctrl']['type'] && !strcmp($field,$TCA[$table]['ctrl']['type'])) ||
-					($TCA[$table]['ctrl']['requestUpdate'] && t3lib_div::inList($TCA[$table]['ctrl']['requestUpdate'],$field))) {
-					if($GLOBALS['BE_USER']->jsConfirmation(1))	{
+					($TCA[$table]['ctrl']['requestUpdate'] && t3lib_div::inList($TCA[$table]['ctrl']['requestUpdate'],$field)) ||
+					($PA['fieldConf']['config']['onChange'] == 'reload')) {
+					if($GLOBALS['BE_USER']->jsConfirmation(1) && $this->inline->inlineCount == 0)	{
 						$alertMsgOnChange = 'if (confirm(TBE_EDITOR.labels.onChangeAlert) && TBE_EDITOR.checkSubmit(-1)){ TBE_EDITOR.submitForm() };';
+					} else if($this->inline->inlineCount > 0) {
+						$alertMsgOnChange = 'inline.reloadField("'.$field.'",this.value, "'.$this->inline->inlineNames['object'].'['.$table.']['.$row['uid'].']");';
 					} else {
 						$alertMsgOnChange = 'if (TBE_EDITOR.checkSubmit(-1)){ TBE_EDITOR.submitForm() };';
 					}
Index: t3lib/class.t3lib_tceforms_inline.php
===================================================================
--- t3lib/class.t3lib_tceforms_inline.php	(revision 4436)
+++ t3lib/class.t3lib_tceforms_inline.php	(working copy)
@@ -963,6 +966,7 @@
 			switch ($ajaxMethod) {
 				case 'createNewRecord':
 				case 'synchronizeLocalizeRecords':
+				case 'reloadForm':
 					$this->isAjaxCall = true;
 						// Construct runtime environment for Inline Relational Record Editing:
 					$this->processAjaxRequestConstruct($ajaxArguments);
@@ -1314,8 +1318,89 @@
 			}
 		}
 	}
+	
+	/**
+	 * Reloads the individual IRRE record if a field requiring reload has changed.
+	 *
+	 * @param	string		$objectId: The form object that we are editing
+	 * @param	string		$reloadField: The field name that has been modified
+	 * @param	array		$reloadValue: The field value that we are changing to
+	 * @return	array		JSON output to feed through AJAX
+	 */	
+	function reloadForm($objectId, $reloadField, $reloadValue)	{
+			// the current table - for this table we should add/import records
+		$current = $this->inlineStructure['unstable'];
+			// the parent table - this table embeds the current table
+		$parent = $this->getStructureLevel(-1);
+			// get TCA 'config' of the parent table
+		$config = $parent['config'];
+			// TCE forms needs to know there is at least one inline element
+		$this->inlineCount++;
 
+			// Put the current level also to the dynNestedStack of TCEforms:
+		$this->fObj->pushToDynNestedStack('inline', $this->inlineNames['object']);
 
+		$record = $this->getRecord($this->inlineFirstPid, $current['table'], $current['uid']);
+			// Set language of new child record to the language of the parent record:
+		if ($config['localizationMode']=='select') {
+			$parentRecord = $this->getRecord(0, $parent['table'], $parent['uid']);
+			$parentLanguageField = $GLOBALS['TCA'][$parent['table']]['ctrl']['languageField'];
+			$childLanguageField = $GLOBALS['TCA'][$current['table']]['ctrl']['languageField'];
+			if ($parentRecord[$languageField]>0) {
+				$record[$childLanguageField] = $parentRecord[$languageField];
+			}
+		}
+
+			// now there is a foreign_selector, so there is a new record on the intermediate table, but
+			// this intermediate table holds a field, which is responsible for the foreign_selector, so
+			// we have to set this field to the uid we get - or if none, to a new uid
+		if ($config['foreign_selector']) {
+			$selConfig = $this->getPossibleRecordsSelectorConfig($config, $config['foreign_selector']);
+				// For a selector of type group/db, prepend the tablename (<tablename>_<uid>):
+			$record[$config['foreign_selector']] = $selConfig['type'] != 'groupdb' ? '' : $selConfig['table'].'_';
+			$record[$config['foreign_selector']] .= $foreignUid;
+		}
+		
+		if (isset($reloadValue) && isset($record[$reloadField])) {
+			$record[$reloadField] = $reloadValue;
+		}
+			
+			// render the foreign record that should passed back to browser
+		$item = $this->renderForeignRecord($parent['uid'], $record, $config);
+		if($item === false) {
+			$jsonArray = array(
+				'data'	=> 'Access denied',
+				'scriptCall' => array(
+					"alert('Access denied');",
+				)
+			);
+			return $jsonArray;
+		}
+
+			// Encode TCEforms AJAX response with utf-8:
+		$item = $GLOBALS['LANG']->csConvObj->utf8_encode($item, $GLOBALS['LANG']->charSet);
+
+		$jsonArray = array(
+			'data'	=> $item,
+			'scriptCall' => array(
+				"Element.replace('" . htmlspecialchars($objectId) . "_div',json.data);",
+				"inline.expandCollapseRecord('" . htmlspecialchars($objectId) . "', false);",
+			)
+		);
+		$this->getCommonScriptCalls($jsonArray, $config);
+
+			// fade out and fade in the new record in the browser view to catch the user's eye
+		$jsonArray['scriptCall'][] = "inline.fadeOutFadeIn('".$objectId."_div');";
+
+			// Remove the current level also from the dynNestedStack of TCEforms:
+		$this->fObj->popFromDynNestedStack();
+
+			// Return the JSON array:
+		return $jsonArray;
+	
+	}
+
+
 	/*******************************************************
 	 *
 	 * Get data from database and handle relations
Index: t3lib/jsfunc.inline.js
===================================================================
--- t3lib/jsfunc.inline.js	(revision 4436)
+++ t3lib/jsfunc.inline.js	(working copy)
@@ -892,7 +892,13 @@
   		if ($(element)) {
 			new Effect.Fade(element, { afterFinish: function() { Element.remove(element); }	});
 		}
-  	}
+  	},
+  	
+  	reloadField: function(field, value, formField) {
+  		// Mark the form as busy
+  	    new Effect.Opacity(formField + '_div', { from: 1.0, to: 0.5, duration: 0.1 });  
+  	    this.makeAjaxCall('reloadForm', [this.getNumberOfRTE(), formField, field, value], true);
+	}
 }
 
 Object.extend(Array.prototype, {