Add tinymce

vendor/built_in_modules/announcement/app/views/panel/announcement/back_end/bulletins/_form.html.erb

@@ -137,5 +137,12 @@
 		  $('#bulletin_files').append(("<%= escape_javascript(add_attribute 'bulletin_file', f, :bulletin_files) %>").replace(old_id, new_id));
 		});
 	</script>
+	<script type="text/javascript">
+	  $(function() {
+	    $('textarea').tinymce({
+	      theme: 'advanced'
+	    });
+	  });
+	</script>
 <% end %>