20079 Filemaker Pro Master Needed

I have many domains which i need to control the web content of. The hosting server is mac based. I would like to create a filemaker pro database running on that server which i would control remotely from a windows machine running filemaker pro. the function of this database would be to change the html of one or all of the pages in each domain but doing it one time in filemaker rather than going into each one by hand. each page of html would have as many as 30 datapoints which would become fields in the database. There would be perhaps 200 various pages throughout the whole project. ideally each domain would have a checkbox next to it when i make a change to a field i could control one or all or a subset. the idea behind this is to keep some of the content of the site changing so the search engines will give me more relevancy. This will also give me the flexibility to add more content and control where it goes in each site so all sites are not the same in the eyes of the engines. if they see almost identical sites they will ignore them as spam. I am very open to suggestions so give details of your ideas or questions on the PMB, i will respond quicly.