i want to move oscommerce my site's sub-domain to domain only

[yanarasod]

i installed oscommerce on my subdomain, http://subdomain.domain.com , now i want to move it to www.domain.com , please someone help how to do it, i have created all data and customized it so dont want to loose anything, can anybody help me, please. urgent

[yanarasod]

the domain of my site is : www.bhuratea.com , and sub-domain: http://store.bhuratea.com , can someone help how to move my oscommerce shop from my subdomain(http://store.bhuratea.com) to domain(www.bhuratea.com )