Hello I have site: http://www.acmescalesystems.com i have made new design sites the problem is that i upload a new site, mostly all are pages going to be crawl by somedays but there are also old sites pages that are indexing in Search engines for that i have made robots.txt please have a look on that: http://www.acmescalesystems.com/robots.txt is this is correct format or what should i do that will not indexing the old pages waiting for your positive response thanks