diff --git a/lib/scripts/script.js b/lib/scripts/script.js
index 27d08858453c32d240dc0d5a07c9c88a06003ed8..25b10205c3a578f768e5b86e4fede34ccc77837f 100644
--- a/lib/scripts/script.js
+++ b/lib/scripts/script.js
@@ -552,7 +552,7 @@ addInitEvent(function(){
         addEvent(btns[i],'mouseout',function(e){
             var secs = getElementsByClass('section_highlight');
             for(var j=0; j<secs.length; j++){
-                secs[j].className = secs[j].className.replace(/section_highlight/,'');
+                secs[j].className = secs[j].className.replace(/section_highlight/g,'');
             }
         });
     }