title: how to build a relation between two separate select tag?
body: <p>I have two separate <code>&lt;select&gt;</code> tags in html form, one select tag contains districts as options, and the other select tag contains number of schools as options, now question is when I select a particular district in the first <code>&lt;select&gt;</code> tag,only those schools of that district should be displayed when I click on the second <code>&lt;select&gt;</code> tag.</p>