# Cool effect question

**URL:** <https://forum.kirupa.com/t/cool-effect-question/292252>\
**Category:** Uncategorized\
**Created:** [July 12, 2009, 9:58am UTC](https://forum.kirupa.com/t/cool-effect-question/292252 "2009-07-12T09:58:42Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![julien2007](https://avatars.discourse-cdn.com/v4/letter/j/aeb1de/32.png) [@julien2007](https://forum.kirupa.com/u/julien2007)\
**Post date:** [July 12, 2009, 9:58am UTC](https://forum.kirupa.com/t/cool-effect-question/292252/1 "2009-07-12T09:58:42Z")

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Hi,

Please check out [http://big.dk/big.html](http://big.dk/big.html) and click @bottom any menu item \> see the thumbnails rearranging themselves.  
My question: How do you realize that effect ? What’s the underlying concept / logic / elements necessary to achieve such a filtering effect by categories?  
I am no expert but I would appreciate a somewhat technical explanation. Thanks.