Another clickTag issue

Question

Using CS4 intel mac.
url_btn.addEventListener (MouseEvent.CLICK, clickUrl_btn);
function clickUrl_btn (evtObj: MouseEvent) {
navigateToURL(new URLRequest);
URLRequest("http://www.google.com");
I get the following message, but no errors.
WARNING: Actions on button or MovieClip instances are not supported in ActionScript 3.0. All scripts on object instances will be ignored.
I tried to make the discussion below work for me but I get the same exact message. There used to be an action script 2 button in the file but I removed all trace of it, as far as I know.
Thanks

Answer 1

The code has to be on the timeline, in a frame, and not attached directly to any object. Aside from that your code is also wrong syntactically. Try this:
url_btn.addEventListener (MouseEvent.CLICK, clickUrl_btn);
function clickUrl_btn (evtObj: MouseEvent) {
    navigateToURL(new URLRequest("http://www.google.com"));