scottschiller/Snowstorm — pull request #10 by schuetzm (2012-12-18 10:14:44+00:00)
Title: Allow multiple instances of SnowStorm

To be used like this:

```var otherSnowStorm = new SnowStorm(window, document);```

This is useful if you want to mix snow flakes with different properties, e.g. different z-indexes for having the snow fall in front of and behind an element.