Need to Make a Cell Name Change in WebSphere 6.0/6.1 Without Re-Installing WebSphere?

How can I change a Cell name in WebSphere 6.0/6.1 without completely re-installing WebSphere?

IBM provides a collection of sample Jacl & Jython scripts for less common administrative tasks. The scripts can be downloaded from IBM DeveloperWorks: ibm.com/developerworks/websphere/library/samples/SampleScripts.html