Did I get this right?
<mousebind button="Down" action="Click">
<action name="NextWindow">
<dialog>none</dialog>
<bar>yes</bar>
<raise>yes</raise>
<linear>no</linear>
<finalactions>
<action name="Focus">
<stopInteractive>true</stopInteractive>
</action>
</finalactions>
</action>
</mousebind>
This still doesn't do it for me. :(