[Ldsoss] PHP web components?

[Kevin Wise]

At work I develop web applications using ASP.Net, and we recently 
purchased the obout suite of web components (http://www.obout.com/).

For my personal development, I currently use PHP, mostly because that's 
what my hosting provider supplies.  Does anyone know of any web 
components like these (preferably open source) that work with PHP?  The 
one I am most interested in initially is the autosuggest combobox 
(http://www.obout.com/combobox/ex_autosuggest.aspx).

Kevin Wise