Channeling PR between internal pages

All 1250 indexed pages of my site has the same top menu with links to the 9 sections of the site.
These 9 pages are all PR5 even though all external backlinks (68 showing) point to the index of the site. (One of the 9 in the menu)

I read somewhere that it's possible to channel the page rank to a specific page by changing the link structure.
If I change the the menu in all the subpages to link-types that googlebot won't crawl for all but but my index page, will that boost the pagerank of the index?
I suppose the rest of the pages will lose PR at the same time, but maybe it's worth it anyway...

Also, is this an acceptable practice or will google slap me around for it?

PR is like water, links are the pipes. You have so much water, lets say 1 litre. If you remove pipes to some pages... they don't get water. The water will have to go where you put the pipes. If only one pipe is there the full litre of water will go there.

This is true. Lately IMO internal text links are increasing in value and PR is playing a smaller role than about a year ago.

I am using a sitemap in order to make the page rank difference between pages on a web site a little as possible. I am also a beliver in large numer of links per page. To let the page rank flow.

I know that it sometimes could be an good idea to target some pages with more pagerank, but then I would have to have pages with fewer links. More links equals more link text, and link text is an important factor in Google optimization even when the links are within the same web site.

I rather have 100 pages that brings one visitor each every day to a web site than 4 pages that bring 25 visitors every day to the same web site.

(i guess i am off topic here)

Sorvoja, the only thing I want my internal links to do is to channel all of their PR (and the majority of visitors) to the index page where almost every other page is linked to from (especially considering ALL the sites pages link back primarily to the index anyway). If PR is like water, can I expect a swimming pool index page or am I just running the faucet too much?

Is the drain on PR worth the added relevant internal links? Or does it depend on the size of the site, and the number of links on the site map? I totally agree with EGOL about PR's role vs. internal links, but where does everyone think the line is?

-Greg

On one of my sites I have PR7 on the home, about 60 PR6s and hundreds of PR5/4 pages.... The PR6 pages are the ones in my main navigation - all pages on the site point to them. They are powerful as a result of hundreds of link texts pointing at them - plus the inflow of PR passed to them from hundreds of pages. They target my most difficult keywords and that is reflected in the link text. The PR5 and PR4 pages have only one or two inbound links... it would be a waste to give them more links because the keywords that they play for don't need a high PR or a lot of link text to win.

Build your linkage according to the difficulty of your keywords, with a little sacrifice for usability... but if you are clever you can do both well.

Thanks people!
Now, once again, I'll just have to wait and see if my changes have any effect...
There's not alot of instant rewards for SEO-ing, is there?

Good information. So basically a lot of internal backlinks guiding the users between the various pages. I know what I'll be working on now. Thanks for the reminders. Thats what I love about this place.. I know I should be spending more time on this, now this gives me guidance.

If you want to see exactly how certain internal links will effect the PR of each page on your site, try this pagerank caluculator.

It will help you design the perfecting linking system to channel your PR to the pages you want. I found it extremely helpful in designing my sites.

http://www.webworkshop.net/pagerank_calculator.php3