Automated classified ads exaction

I am looking for somebody who has experience with mozenda or other similar tools to create the script (web agents) for couple of web sites. Automation steps involve following: 1. go to one page, list of states are display 2. picking one state will take you to the next page. 3. pick a city will take you to the next page. 4. pick a category will take you to the next page. 5. a list of ads are displayed on the page. 6. click one ad, and do data exaction on the next page. 7. do the same for all the ads listed in step 5. 8. navigate to the next page (paging) full of ads, and do step 5 and 6. 9. once all the pages are done, pick another city as in step 3. More details will be released to interested party.