diff --git a/lib/javascript.php b/lib/javascript.php
index c2059d4c923..e6e1d7ad728 100644
--- a/lib/javascript.php
+++ b/lib/javascript.php
@@ -9,7 +9,7 @@
         echo '<script language="JavaScript" type="text/javascript" src="'.$CFG->wwwroot.'/lib/speller/spellChecker.js"></script>'."\n";
     }
 ?>
-<style type="text/css">/*<![CDATA[*/ body{behavior:url(<?php echo $CFG->wwwroot ?>/lib/csshover.htc);} /*]]>*/</style>
+<!--<style type="text/css">/*<![CDATA[*/ body{behavior:url(<?php echo $CFG->wwwroot ?>/lib/csshover.htc);} /*]]>*/</style>-->
 
 <script language="JavaScript" type="text/javascript" src="<?php echo $CFG->wwwroot ?>/lib/javascript-static.js"></script>
 <script language="JavaScript" type="text/javascript" src="<?php echo $CFG->wwwroot ?>/lib/javascript-mod.php"></script>