No, µAudio automatically converts any link to an mp3 file so that it can automatically create a player. So, if you put in <a href="somefile.mp3">A Link</a> µAudio will automatically add a flash player when that link is clicked.
It waits for the user to click on the link for several reasons:
Since the javascript is dynamically rewritten, it can grow in size depending on what options you have enabled and certain environment variables. 450 B represents the smallest possible installation, my own site is 452 Bytes.




