Right, if you can't afford any better lights then i suggest you keep the floro 1 - 2 inches from the top of the plant, because floros don't give out much heat, nor much light therefore you need to keep the plant practically touching the floro for it to produce any decent results, don't worry it won't burn the plant like if u had a HID that close to it.

If you keep growing it like you are, the plant will continue to grow untill its leaves become bigger and the stem can't handle it and topples over. My second bit of advice is to purchase an osciliating fan (you know those desk fans that move from side to side) keep that on it 24/7 make sure its continully moving though. That should sort out the plants for now, but if you can start saving for a HID and get that on them A.S.A.P. Floros are great for clones/seedlings and thats about it, unless you have some high watt floros. Anyway, hope this helps.

Good luck, and Happy Growing!