Google网页排名 - 新域名/链接结构迁移

i've been tasked with re-organizing a pure HTML site into a CMS. if all goes well, the new site will eventually become the main URL, and the old domain will be phased out. the old domain has a decent enough page rank, and the company wishes to mitigate any loss of page rank for that. in looking over the options available, i've discovered a few things:i've been tasked with re-organizing a pure HTML