In jQuery, how do you make a mousedown() event trigger a resizeable box feature?

In jQuery, how do you make a mousedown() event trigger a resizeable box feature? A similar idea is cropping. You click on the picture and drag your mouse and it creates a box to the size of your c开发者_运维问答hoosing.

$("div").mousedown().resizeable();

or

$("div").mousedown(function(){ $("div").resizeable()}

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Maybe you want the jCrop plugin?

Oops I just realized it the same link as the one Nick added as a comment - please give him credit if this is what you needed.

Edit: I found another crop plugin called imgAreaSelect.