So I'm sure many of you are familiar with this, but if even one person finds this helpful, I'll be glad. Rikaichan is a Mozilla Firefox browser tool that acts as a dictionary for Japanese to English/German/French/Russian. In a Firefox browser window you just go to your page, go to the Tools menu, click Rikaichan, and bam! a little window pops up when your mouse scrolls over Japanese text.
Best thing? Like delicious Firefox itself, Rikaichan is totally free. Aside from helping to translate Lolita sites, it's very useful if you're actually trying to learn Japanese. Just note, it only works for Firefox, not IE or Safari or anything else.
So go to http://www.polarcloud.com/rikaichan/ and download the extension and dictionary packs you want.