Folding Pet Stairs Help

I am in need of some folding pet stairs for our aging dog and found these online: http://www.storenvy.com/products/232767-wood-dog-steps-62352 

It's exactly what I'm looking for, but I have no clue how to get started. All the stair plans I've found are more like stools and I'm looking to cover a height of 20-24". Ideally, I'd like them to be not too obtrusive into the room.
Has anyone come across any plans similar to this?
Thanks!

Prospector (not verified)

Wed, 12/05/2012 - 13:40

How high do you need to go and how high can your pet step up?

If you made a set of drawers that fit under the bed, and then put a cover on the top of each drawer, you would have storage, and steps.

So make a set of drawers.
Inside each drawer, put a strip of wood on each side.
Place a piece of plywood on the wood.

You now have storage-steps.