texlive2013 in Slackware64-14.0 can only build documents as root, .sty not found

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http://www.linuxquestions.org – I downloaded the install DVD for texlive 2013, and installed it using their instructions. There was a comment that they recommended installing it as a non-root user, but when I tried it complained that I didn't have permissions to write to /usr/local. I didn't want to modify the default, so I went ahead and installed it as root. I wanted to test if it worked by building some documents from .tex files I had made a few months back. When I try to build them as myself, I get errors about .sty files missing, although I've verified that they're already installed. If I give the path to them, I'm (HowTos)