Moving Directory

Hi all,

Firtsly apologies if this is in the wrong Topic, but this makes sense here.

Anyways, I have been building a wordpress site to replace our clubs old one. I uploaded and installed into /wordpress directory rather than root, so i could test and build it while the old site is still active. Now I have finished, I want to remove the old site and use the ne WP one.
I have done some reading around and came across this http://codex.ww.wp.xz.cn/Giving_WordPress_Its_Own_Directory

its seems to be a guide for doing the reverse of what i want, but would it still be the same principle?

Essentially, WP is running in the /wordpress folder and only available at http://www.site.com/wordpress……and so could i do the steps in the link to get it live at http://www.site.com while leaving all core files in the WP directory.

Thanks for your help in advance.