--- typo3_src-4.1.12/typo3/sysext/cms/tslib/class.tslib_menu.php.orig	2009-07-03 21:37:20.000000000 +0200
+++ typo3_src-4.1.12/typo3/sysext/cms/tslib/class.tslib_menu.php	2010-03-18 12:03:11.000000000 +0100
@@ -2189,7 +2189,9 @@
 		if (is_array($this->menuArr) && is_array($this->result) && count($this->result) && is_array($this->result['NO']))	{
 			$this->WMcObj = t3lib_div::makeInstance('tslib_cObj');	// Create new tslib_cObj for our use
 			$this->WMresult = '';
-			$this->INPfixMD5 = substr(md5(microtime().$this->GMENU_fixKey),0,4);
+			//$this->INPfixMD5 = substr(md5(microtime().$this->GMENU_fixKey),0,4);
+			// bug causes filling typo3temp up with .js files
+			$this->INPfixMD5 = substr(md5(serialize($this->result['NO']).$this->GMENU_fixKey),0,4);
 			$this->WMmenuItems = count($this->result['NO']);
 
 			$this->WMsubmenuObjSuffixes = $this->tmpl->splitConfArray(array('sOSuffix'=>$this->mconf['submenuObjSuffixes']),$this->WMmenuItems);