Stopping a link from activating

I want to override a link

[CernyM]

I want to have a link as follows:

<a id="foo" href="example.html" onClick="javascript:intercept('foo')">Click me!</a>

If the visitor doesn't have javascript enabled, they click through to example.html as expected.

However, if they have Javascript, I want the intercept function to force the browser to ignore the request to load example.html.

Is this possible?

[daveVk]

if intercept function does this "window.event.returnValue = false;" the href is not followed; For other than IE you may need to get event object differently?

[Bernard Marx]

<a id="foo" href="example.html" onClick="intercept('foo');return false;">Click me!</a>