How to get group of Elements?

How to get group of Elements?

Hi,

i have a list of elements like the following sample. Now i've want to group these elements by there nearest elements of same type. But the elements not grouped by parent element.

  1. <body>
  2. <!-- Need to build a group of these two teasers-->
  3. <div class="teaser">
  4.   <h2>Headline</h2>
  5.   <p>Lorem ipsum dolor...</p>
  6. </div>
  7. <div class="teaser">
  8.   <h2>Headline</h2>
  9.   <p>Lorem ipsum dolor...</p>
  10. </div>
  11. <!-- ignoring this one -->
  12. <div class="not-interesting-content">
  13.   ...
  14. </div>
  15. <!-- building another group of these two or more teasers -->
  16. <div class="teaser">
  17.   <h2>Headline</h2>
  18.   <p>Lorem ipsum dolor...</p>
  19. </div>
  20. <div class="teaser">
  21.   <h2>Headline</h2>
  22.   <p>Lorem ipsum dolor...</p>
  23. </div>
  24. ...
  25. </body>
hope you can help me...

thanks