How to make our own Ajax based custom compnent

hi
i want to make my own Ajax based custom compnent.
i know JSF custom comppnents, but dont know how to add Ajax functionality in it.
what should i have to learn for this.
can any one guide me. if some one have code example it will be appreciated
br,
Haroon

You can read tutorials or manuals from the suppliers of AJAX for JSF components. And of course take a look into the code.
Examples:
http://getahead.ltd.uk/dwr
http://icefaces.org
http://www.exadel.com/web/portal/products/VisualComponentPlatform
https://bpcatalog.dev.java.net/ajax/jsf-ajax/
Overview:
http://www.jsftutorials.net/
http://www.jsfmatrix.net/

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Regards,
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