radical hacks Previous/Next Month Buttons Simplified sent in the folowing hack which can be downloaded a a single ZIP VIRTUAL...

Here is what he had to say....

I know there are several of you out there (myself included) that want or wanted to include previous and next month links on the calendar to make navigation just a little bit easier. I also know what a pain it can be to sort through all those invaluable hacks trying to find the few lines of code to copy and paste into your own script. To make things a little easier for those of you who want to include this modification in the calendar script, I've taken some code from the Marlboro Calendar Hacks, cleaned it up a bit, and summarized the steps below.