So i'm chaning strings on my Ibanez with an Edge Pro 3 Trem and i'm on the last string and i realize the trem has 'sunk' down too low and i basically ended taking it all the way off and now i can't get it to go back on right. If i leave it unstring and without the trem in the guitar will it be ok until monday when i can take it to the local music store or am i completely fucked?

You're okay. You don't need to take it anywhere just yet...

Put the springs back in, and put the trem on the trem posts. You basically just need to unscrew the trem claw springs (in the cavity) to bring it back to neutral (not sinking).

Put all of your strings on and tune to pitch. You should be okay. This isn't something worth wasting $50 on.

next time you should do the strings one at a time. take one off, replace it, and then move to the next string. that way the trem keeps its tention.

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Oh man, I could have posted the same message back in 1999 when I visited Jersey and foolishly took off all the strings on my Ibanez RG570... came back home and the same thing happened to me - I was scared shitless too. Keep your strings strung up on any floating system at all times unless you have stuck something between the bridge and the cavity of the guitar body (but that's just a temporary thing to be done in repairs and etc.) There's a reason why they're called "floating" trems.

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I was replacing them one by one but I wasn't tuning up the string after replacing it. I was thinking well I do hate tuning so I'll just do it all at one time....dumb. Got it fixed now though.