Without a doubt, my least favorite form element is the SELECT element. The element is almost unstylable, looks different across platforms, has had inconsistent value access, and disaster that is the result of multiple=true is, well, a disaster. Needless to say, whenever a developer goes the extra mile to offer solution to these issues, a big smile gets painted on my face. Harvest recently released Chosen, a SELECT enhancer which offers autosuggest, search, stylability, and an elegant solution for multiple selection. Better yet, Chosen is available for both jQuery and Prototype. Let's take a look at how to use Chosen!

Because is very useful and powerful, it is considered as a standard approach to design modern web-applications.Using Ajax you can develop interactive solutions for lightboxes, form validation, search, tooltips, navigation and tables. Always keep in mind its drawback in terms of usability and accessibility. Extensive Ajax means that you can easily confuse your visitors giving them to much control and features.