javascript fix for recent mediamanager xhtml fix

darcs-hash:20070513213350-7ad00-ed07ed98389045714328c34aaf318fc7734665a2.gz

lib/scripts/media.js

@@ -173,7 +173,7 @@ media = {
 
         if(!opener){
             // if we don't run in popup display example
-            var ex = $('ex_'+id);
+            var ex = $('ex_'+id.replace(/:/,'_'));
             if(ex.style.display == ''){
                 ex.style.display = 'none';
             }else{