Update jquery.freezeheader.js
Update jquery.freezeheader.js

I changed the source code to support something like:
  $ ("# YourTable") freezeHeader ({'offset': '100px'}.);
or
  $ ("# YourTable") freezeHeader ({'height': '300px', 'offset': '50px'}.);
jimishparekh/freezeheader,jimishparekh/freezeheader,laertejjunior/freezeheader