1) i dont see a div on the home page named contentBoxpspod1, do you mean ps_pod2? i'm trying to recreate the problem to be able to find a fix for you. what specifically did you change in the design editor to cause this?
2) We don't offer support for modifying power store using eCart in the forums, we can help you with this in a premiere ticket appointment though.
3) i will start a support incident to look into this issue with you.