29445 switch domain name

Hello, My site is [login to view URL] It has two systems runing 1. Joomla /w database 2. Jamroom w database I want [login to view URL] to be [login to view URL] and [login to view URL] to forward to the new domain. I have both domains set up on my VPS. I know this should be easy to do ... EXCEPT what about the links with the previous extention Is there sumthing I could runn on my site files to make evey instance of [login to view URL] to [login to view URL] I know I couls just forward the site but I want to eventually use [login to view URL] for something else. ****Looking for the lowest bid along with a time frame. MINIMAL DOWNTIME ***** I'm sure people change domains all the time. So it must be an easy way. Thanks