Ajax filter custom post type by multiple custom field values

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$10 - $30

Project Description:
I have a CPT - cards
Taxonomy - cardtype
Custom field for CPT - "card formats", with the values laike Envelope, Small, Big, etc

I need to have a filter this CPT posts by the Custom field or fields by using Ajax - include pagination using this code http://codepad.viper-7.com/bSasiB

The selection form should be called by php function from functions.php and will be located inside absolute posittioned div.

The result should be represented in existing taxonomy-cardtype.php template file or archive-cards.php template files. Those files are used right now, when visitor opens taxonomy term page or views all of the posts from CPT cards.

Skills required:
PHP, Software Architecture, Wordpress
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