Nested ordered lists

Question

I need a nested list with subitem numbering, like this:

1. Item 1
  1.1 - Subitem 1
  1.2 - Subitem 2
  1.3 - Subitem 3
  1.4 - Subitem 4
  1.5 - Subitem 5
2         


        

Answer 1

Neither js nor jquery but CSS:

More here: http://www.w3.org/TR/WCAG10-CSS-TECHS/#lists