Minor changes and bugfixing to modified oscommerce webshop

Some changes are needed on this site: [login to view URL] -When clicking on a product in this category, there's a redirect loop. [login to view URL] -Can not attach pdf's as links when editing a page(in the admin) -Remove regular expressions and mask in the create_account page for the fields: phonenumber and fax -Google Analytics should be integrated but it doesn't work. (Works on similar sites with the same modified oscommerce)