I publish these scripts on Jim's behalf.
http://kelsocartography.com/blog/?p=2205
1. Quit Illustrator
2. Copy the files into the Illustrator application folder's "Presets" > "Scripts" subfolder
3. After restarting Illustrator you can find the scripts in the menu "File" > "Scripts"
TIP: You can create subfolders in the scripts folder to organize your scripts
NOTE: Adopted from a guide by Wolfgang Reszel.