Index: trunk/admin/browse/checkboxes_new.js
===================================================================
diff -u -r1566 -r2308
--- trunk/admin/browse/checkboxes_new.js	(.../checkboxes_new.js)	(revision 1566)
+++ trunk/admin/browse/checkboxes_new.js	(.../checkboxes_new.js)	(revision 2308)
@@ -497,6 +497,7 @@
 	     if ( typeof (actPrefix) != 'undefined' && actPrefix != null && actPrefix.match("k4:(.*)") ) {
        		act = RegExp.$1;
        		act = act.replace('$\$event$$', 'unselect');
+       		act = act.replace('$\$prefix$$', tab.getAttribute("PrefixSpecial") );
 					eval(act);
 					return;       
        }