Logic 9 help

Guys,br
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I opened up my project today and opened the mixer to find that the order of the tracks have all moved around.br
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On the main window the track are in the order I created them, but in the mixer they have all moved. br
Is there a way to move tracks about in the mixer window please?br
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Thanks in advance,br
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Julian

I worked it out. In the arrange window, I had clicked on ALL tab and so by clicking ARRANGE tab it resorted my tracks in to order.