Website Structure - What works best for passing the Link Juice?

[mosaicpro]

As most people know it's usual that the main menu is after the top right small links in html.

My questions are:

What is more important for google or how does google tell which link is more important than the other to pass juice on?

If the top right links are in front of the main menu in html would they get more link juice than the main menu?

Should i focus in working on better html structure but still keeping the same look ( reverse the html code but keep the same look through css)?

Any suggestions?

[Gyi]

I'd check out Bill Slawski's SEO By The Sea generally, and this post in particular: http://www.seobythesea.com/?p=5168

I wouldn't get "too manipulative" with CSS. I know this advice is going to sound generic, but I'd think about what links are most likely to get clicked by your visitors. Those are the ones that Google wants to give more credit.