image process/resize in photosphop cs2/bridge

I need to be able to resize a large quantity of photos,( ie, change a 300 resolution, 1680x1200 pixel photo to a 72 resolution, 500x700 pixel photo?) I am using adobe photoshop CS2 on a PC, running windows XP.
thanks!

is there a question there?

dont know how to resize a large number of photos at the same time

need step by step instructions

See http://av.adobe.com/russellbrown/ImageProcessorSM.mov

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Regards

John Waller