How do I stop my desk from wobbling?

Help! (C: I just finished a mission-style desk that I've been working on for a while. The front and back skirts (I hope that's the right term--imagine the part where desk drawers would go) are 5" high, and are secured to the legs via M&T joints. "Secured" isn't the right word because...well...the joints are pretty crappy. The desk seems fairly secure, but tonight someone accidentally bumped into it, and it wobbles from side to side...NOT GOOD. I tested it front to back, and it's solid. But I'm scratching my head--now that it's all stained/assembled, how the heck do I "shore up" the front/back skirts to stop the wobble (and prevent it from--GOD FORBID--just falling apart on me)?
Thanks for any help...
Jim
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Perhaps you might want to post some pictures of it into alt.binaries.pictures.woodworking so that we can see what you did.
--
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"PC Gameplayer" < snipped-for-privacy@hotmail.com> wrote in message
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But is the floor level?
Be sure to check-out our webpages... http://www.angelfire.com/jazz/kb8qlrjoe/index.html
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"the joints are pretty crappy", Take it apart and put it back together correctly or go to Wal Mart and get a press board one..
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Mike G.
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For what it's worth, I think I figured out how to fix my own problem.
The front/back skirts are 3/4" wide, and they are tenonned at the end to go into a mortise that is in the middle of a 1 1/2" leg. This should leave me 3/8ths on each side. The problem is at least one (probably 2 or more) of the tenons are too small, and/or not deep enough into the mortise. So, my solution is to make a long strip (about 3-4") that is 3/8ths of an inch square, and secure it on the inside of the leg/skirt joing, right where the skirt butts up against the leg. I figure if I do this on all 4 sides, it should stop or reduce the wobble. DUH, why didn't I think of this before? (C;
Jim <snip>

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