Building business tot business search engine/link directory

We are a small business to business publishing company with two employees and exist meanwhile five years. Recently are we started with a new tense project: building a new Dutch business tot business search engine en link direcory based on the open source search engine en link directory script "sphider.eu". Your activities =============== -Remove errors existing [login to view URL] script -Fore-part/make from the script a Internet site in php mysql, with eg 10 extra pages and several modifications from script -Basis functions stand already in script. Approx. 5 errors must be removed from script. -Approx. 10 extra pages must be made. For example: faq pages, buy subscription/cont form, etc. -Adapt script so that certain information is only for paying subscribers available. For example: paying subscribers get a title, summary and link to the extern website, not paying subscribers get only one title and first five words of the summary. Useragents of Google must get the same rights as paying subscribers and can index everything! -Construction loginpage. Useragents of Google and paying subscribers obtain complete access. -Further improvement of the open source search enige en link directory script from sphider. -Construction tagsysteem coupled to tags search enigine. -Modify css Work experience =============== ->3 years experience with PHP / MYSQL -Able to build from nothing a php mysql Internet site with password based access for subscribers and google, other search engines. -Well documenting of modifications in script by means of comments -Knowledge and experience and intersse in relation to search engines, index, and search engine optimisation. -Mofifying open source script of sphider by building extern scripts so updates of the open source scripts are possibele in the future. Portfolio ========= Please give portfolio examples. Payment ======= After finishing and testing project.