How do i create a page like igoogle or my yahoo were users can personalize it and move stuff around?

i own a website and want to know how to make it so users can personalize it and move stuff around. How can id do this?|||You have to go to your webmaster for this answer, if that's the right term.





But something like that is determined on a case by case basis, so you'll have to ask the people who sold you the site.