Carry out the following steps to run the test:

1. Take stock of the number in the frame below.
2. Select half of the number.
3. Change the stylesheet from "preferred" to "alternate".
4. Check that the number is still the same.
5. Check that the selection is still there.
6. Change the browser's theme or skin.
7. Check that the number is still the same.
8. Check that the selection is still there.

This is the preferred stylesheet. Here is the frame:

This is the alternate stylesheet. Here is the frame: