Check if onRequest is defined for the current object before calling it.

src/helma/framework/core/RequestEvaluator.java

@@ -239,6 +239,7 @@ public final class RequestEvaluator implements Runnable {
 	                    // try calling onRequest() function on object before
 	                    // calling the actual action
 	                    try {
+	                        if (scriptingEngine.hasFunction (currentElement, "onRequest"))
 	                            scriptingEngine.invoke (currentElement, "onRequest", new Object[0], false);
 	                    } catch (RedirectException redir) {
 	                        throw redir;