problems with jQuery Rev: 5981

I get this error:
error: set is undefined
where: results.push( set[i] ); //line 1520
there is also a missing semicoln on line 3899:
rules = { position: 'absolute', top: 0, left: 0, margin: 0, border: 0,
width: '1px', height: '1px', visibility: 'hidden' }
Thank you!
-will