Index: class.tx_dam_browse_media.php
===================================================================
--- class.tx_dam_browse_media.php	(revision 27861)
+++ class.tx_dam_browse_media.php	(working copy)
@@ -258,12 +258,19 @@
 				'disallowedFileTypes' => $this->disallowedFileTypes,
 				'addParams' => $this->addParams,
 				'pointer' => $this->damSC->selection->pointer->page,
-				'SLCMD' => t3lib_div::GParrayMerged('SLCMD'),
 				'Selection' => $this->damSC->selection->sl->sel,
 				'Query' => $this->damSC->selection->qg->query,
-				'QueryArray' => $this->damSC->selection->qg->getQueryParts(),
-				'PM' => t3lib_div::GParrayMerged('PM'),
+				'QueryArray' => $this->damSC->selection->qg->getQueryParts()
 			);
+			
+			if (DAM_COMPAT) {
+				$debugArr['SLCMD'] = t3lib_div::GParrayMerged('SLCMD');
+				$debugArr['PM'] = t3lib_div::GParrayMerged('PM');
+			}
+			else {
+				$debugArr['SLCMD'] = t3lib_div::_GPmerged('SLCMD');
+				$debugArr['PM'] = t3lib_div::_GPmerged('PM');
+			}
 
 			$this->damSC->debugContent['browse_links'] = '<h4>EB SETTINGS</h4>'.t3lib_div::view_array($debugArr);
 
Index: ext_localconf.php
===================================================================
--- ext_localconf.php	(revision 27861)
+++ ext_localconf.php	(working copy)
@@ -122,6 +122,11 @@
 '.$pluginContent);
 unset($pluginContent);
 
-
+	// TYPO3 4.2 compatibility (GParrayMerged is deprecated in favor of _GPmerged for example)
+if (version_compare(TYPO3_version, '4.3.0', '<')) {
+  define('DAM_COMPAT', true);
+} else {
+  define('DAM_COMPAT', false);
+}
 
 ?>
Index: lib/class.tx_dam_selection.php
===================================================================
--- lib/class.tx_dam_selection.php	(revision 27861)
+++ lib/class.tx_dam_selection.php	(working copy)
@@ -197,7 +197,13 @@
 			$this->hasChanged = true;
 		} else {
 			$this->setCurrentSelectionFromStored();
-			if ($sel = t3lib_div::GParrayMerged($this->paramStr)) {
+			if (DAM_COMPAT) {
+				$sel = t3lib_div::GParrayMerged($this->paramStr);
+			}
+			else {
+				$sel = t3lib_div::_GPmerged($this->paramStr);
+			}
+			if ($sel) {
 				$oldSel = serialize($this->sel);
 				$this->mergeSelection($sel);
 				$this->storeCurrentSelectionAsUndo();
Index: lib/class.tx_dam_scbase.php
===================================================================
--- lib/class.tx_dam_scbase.php	(revision 27861)
+++ lib/class.tx_dam_scbase.php	(working copy)
@@ -237,7 +237,14 @@
 
 			// check if tx_dam_folder was set by GP which takes precedence, if not use command sent by navframe
 			// order: GP (script), SLCMD (navframe), MOD_SETTINGS (stored)
-		$SLCMD = t3lib_div::GParrayMerged('SLCMD');
+		
+		if (DAM_COMPAT) {
+			$SLCMD = t3lib_div::GParrayMerged('SLCMD');
+		}
+		else {
+			$SLCMD = t3lib_div::_GPmerged('SLCMD');
+		}
+		
 		if (!$SET['tx_dam_folder'] AND is_array($SLCMD['SELECT']) AND is_array($SLCMD['SELECT']['txdamFolder'])) {
 			$this->path = tx_dam::path_makeRelative(key($SLCMD['SELECT']['txdamFolder']));
 		}