inuyaksa/jquery.nicescroll — pull request #97 by yuanlong (2012-11-06 09:56:01+00:00)
Title: I added  zoomIn zoomOut call backFunction

sometimes we need do something at zoomIn/zoomOut
we can use like this:
$("#andyscroll").niceScroll("#scrollmessage",{boxzoom:true,zoomIn:function(){alert("in")},zoomOut:function(){alert("out")}});

My english is poor. I hope you can understand these.