Both sites are not using any kind of script as they are custom made as we are in this field of web site designing and development from last 4 years and we know very well how to design and develop these types of custom sites which can be treated as a product/script of its owner who can sell the 100's time/month to get the real $$$ from this industry simply pm me if you are interested to design and develop this type of script/product for you which you can sell to your customers will our behind the scene full support/maintenance + future extension related services