diff --strip-trailing-cr -d'ruNF^function' drupal-5.1/misc/textarea.js drupal-5.1-fix_unmousemove/misc/textarea.js
--- drupal-5.1/misc/textarea.js	2006-09-07 11:05:31.000000000 +0300
+++ drupal-5.1-fix_unmousemove/misc/textarea.js	2007-02-14 17:40:56.000000000 +0200
@@ -23,7 +23,8 @@
     }
 
     function endDrag(e) {
-      $(document).unmousemove(performDrag).unmouseup(endDrag);
+      $(document).unbind("mousemove");
+      $(document).unbind("mouseup");
       textarea.css('opacity', 1);
     }
   });