diff -r 000000000000 -r 2fa85847ccf7 javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/OnHandler.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/OnHandler.java	Tue Mar 05 19:00:36 2013 +0100
@@ -0,0 +1,33 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.htmlpage.api;
+
+/** Handler to be called when an event in an HTML {@link Page} appears.
+ * @see OnEvent
+ * @see OnController
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public interface OnHandler {
+    /** Called when a DOM event appears
+     * 
+     * @param event the event as produced by the browser
+     * @throws Exception execution can throw exception
+     */
+    public void onEvent(Object event) throws Exception;
+}