external js with image selector

[Stureplan]

1) Script Title:
Dynamic image selector
2) Script URL (on DD):
http://www.dynamicdrive.com/dynamicindex4/imageselector.htm
3) Describe problem:
I would like to use this script with/as an external .js file.
But it doesn´t function then anymore.
wheres the catch?

[tech_support]

Did you put all the code in between the <script></script> tags into the file?

stickiiiii

[Stureplan]

well yes I put everything from between.
I haven´t put it on any url because it ain´t working.