I have a question:

i want to a make a vertical Thumbnail navigation, and the Thumbnail navigation button is below the thumbnails, but when i set it, the arrow of the navigation button have the overlay problem, please see the link:

http://www.yogurt.com.hk/simpleviewer/compact.html

how can i solve it?

And one more question is:

now i set thumbRows=3 and thumbColumns=1, to make a vertical Thumbnail navigation bar, but when i press the next button, the group of 3 Thumbnails is move from left to right

How can i make a vertical Thumbnail navigation bar, when i press next button, the Thumbnail will from botton to top?
like this example:
http://www.tasaki.co.jp/bridal/engagement/index.php

thank you!