How to click the mouse on another application

[Generic Email]

> Then my guess is this would require an external.
> What would be the best mechanism to request a quote for the  
> development of an external?
>
> SendClick (h,v)
> SendKeys (h,v) "string to send" (including Alt+F style key  
> combinations)
>
> Should would correctly on OS X, Win32, and linux.
>
> Thanks
>
> Bert