Uploading .js files to other hosting sites may take much time to load the blogger page. Google code allows you to upload .js files and many other files such as .xml,zip to the google server which is very fast so that your script files will load quickly. Its all free. How to Upload Javascript File ?
Go to http://code.google.com, login with your gmail. Find and click Project Hosting on Google Code section was then locate. Create a new project...
