Index: typo3/sysext/cms/tslib/media/scripts/gmenu_layers.php
===================================================================
--- typo3/sysext/cms/tslib/media/scripts/gmenu_layers.php	(Revision 7052)
+++ typo3/sysext/cms/tslib/media/scripts/gmenu_layers.php	(Arbeitskopie)
@@ -424,8 +424,10 @@
 ';
 		$GLOBALS['TSFE']->JSeventFuncCalls['onload']['GL_initLayers()']= 'GL_initLayers();';
 		$GLOBALS['TSFE']->JSeventFuncCalls['onload'][$this->WMid]=	'GL_restoreMenu("'.$this->WMid.'");';
-		$GLOBALS['TSFE']->JSeventFuncCalls['onmousemove']['GL_getMouse(e)']= 'GL_getMouse(e);';	// Should be called BEFORE any of the 'local' getMouse functions!
-		$GLOBALS['TSFE']->JSeventFuncCalls['onmousemove'][$this->WMid]= 'GL'.$this->WMid.'_getMouse(e);';
+		// Should be called BEFORE any of the 'local' getMouse functions!
+		// is put inside in a try catch block to avoid JS errors in IE
+		$GLOBALS['TSFE']->JSeventFuncCalls['onmousemove']['GL_getMouse(e)']= 'try{GL_getMouse(e);}catch(ex){};';
+		$GLOBALS['TSFE']->JSeventFuncCalls['onmousemove'][$this->WMid]= 'try{GL'.$this->WMid.'_getMouse(e);}catch(ex){};';
 		$GLOBALS['TSFE']->JSeventFuncCalls['onmouseup'][$this->WMid]= 'GL_mouseUp(\''.$this->WMid.'\',e);';
 
 		$GLOBALS['TSFE']->divSection.=implode($this->divLayers,chr(10)).chr(10);
Index: typo3/sysext/cms/tslib/media/scripts/tmenu_layers.php
===================================================================
--- typo3/sysext/cms/tslib/media/scripts/tmenu_layers.php	(Revision 7052)
+++ typo3/sysext/cms/tslib/media/scripts/tmenu_layers.php	(Arbeitskopie)
@@ -424,8 +424,10 @@
 ';
 		$GLOBALS['TSFE']->JSeventFuncCalls['onload']['GL_initLayers()']= 'GL_initLayers();';
 		$GLOBALS['TSFE']->JSeventFuncCalls['onload'][$this->WMid]=	'GL_restoreMenu("'.$this->WMid.'");';
-		$GLOBALS['TSFE']->JSeventFuncCalls['onmousemove']['GL_getMouse(e)']= 'GL_getMouse(e);';	// Should be called BEFORE any of the 'local' getMouse functions!
-		$GLOBALS['TSFE']->JSeventFuncCalls['onmousemove'][$this->WMid]= 'GL'.$this->WMid.'_getMouse(e);';
+		// Should be called BEFORE any of the 'local' getMouse functions!
+		// is put inside in a try catch block to avoid JS errors in IE
+		$GLOBALS['TSFE']->JSeventFuncCalls['onmousemove']['GL_getMouse(e)']= 'try{GL_getMouse(e);}catch(ex){};';
+		$GLOBALS['TSFE']->JSeventFuncCalls['onmousemove'][$this->WMid]= 'try{GL'.$this->WMid.'_getMouse(e);}catch(ex){};';
 		$GLOBALS['TSFE']->JSeventFuncCalls['onmouseup'][$this->WMid]= 'GL_mouseUp(\''.$this->WMid.'\',e);';
 
 		$GLOBALS['TSFE']->divSection.=implode($this->divLayers,chr(10)).chr(10);