Hello, Having :
<form> Countries : <select name="countries" id="countries"> <option>Portugal</option> <option>Spain</option> </select> Cities <select name="cities" id="cities"> <option>Lisbon</option> <option>Barcelona</option> <option>Madrid</option> <option>Porto</option> </select> </form> How can I get a form that dynamically limits 'cities' options, according to the chosen country ? I mean : If user chooses Spain, he should only have Barcelona/Madrid available. I guess it envolves 'onchange' html attribute, and some jquery, but I google up and got no straight answers. Thank you --