Hi Brian, you should be able to have an onclick="" event handler on a <moi:PushButton>. I'll give it a test on your file.

re:
> I cannot get the LogSpiral6b script to run, even if I delete the pushbutton completely,
> so I must have zonked something else?
> Or is there a cache rerunning the older version of the script?

It looks like the zonked thing is you've got the file named _LogSpiral6b.html (note ending l in html) while MoI is expecting it to be named _LogSpiral6b.htm (note just .htm not .html).

- Michael