InDesign CS5 Interactive help

Yes I am in the right forum because i'm trying to design our website using InDesign CS5 in Interactive mode. This is the first time i'm doing this and I have a few questions. But i'll give you guys a brief background story first so you wont have to ask questions on why i'm doing this.

As you know web developers are really expensive and our company is short on money to spend on a flash designer to keep making updates and adding new content to our current flash website which someone else made. So they are wanting me with a print background to try to find different ways we can recreate our original website inhouse using a different software. Yes it sucks but i'm trying since i don't know flash or dreamweaver. I've tried with iWeb and it didn't have flash content, i tried Wix and the servers kept crashing so now i'm using InDesign CS5.

Ok so we have our original website, but i'm practicing on a dummy website first. Website is here http://www.6hourboost.com

Ok questions I have:
1) for some reason the website loads too long. I'm not sure how to keep it down. Does this do this for you too.
2) How do I center the page and have it stretch when you maximize the screen? I have not found this on InDesign. I also would like to change the screen bg from gray to my own. I have not found anything that can do this but my boss keeps saying there has to be a way, but no luck.
3) For now click on the Italy page because all the pages will look similar to that because we want them to look consistent. For some reason the video dissappears and wont play. It plays in my preview screen but for some reason after i publish it, it wont.