Scrap data on several domains that use a javascript database layout -- 2

We need to extract data on 12 website that use the same type of database. Websites are using javascript so there are no parameters in the url. for example there is one of these websites: [login to view URL] at the end of the project we want a script or any tool easy to use to extract data from these websites, dates we want to scrap has to be easily changed for further scrap. Data has to be delivired into a excel or csv file We also want you to deliver the first scrap data for all of them for year 2014. scrap has to include these datas: parcel number site address (which differs from mailing address) site city site zipcode last sale date last sale amout heated SF (heated Square feet of the parcel if available) Land area (Acres) We will not award the project since we are sure you are able to do the job.