Comments:

To be minified:

Minifying strength: minimal conservative agressive       Minify             Clear

Minimal - Original algorithm, keeps linefeeds if single.      
Conservative - Original algorithm.                                     
Agressive - Removes more linefeed, script might be corupt.

Minified output:

You can try:
Javascript Formatter - Javascript Formatter

You can download the incomplete source file here:
http://nickson.me/tools/jsminifier/source.zip