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I've got solution: <a href="http://www.dynamicdrive.com/dynamicindex16/chainedselects/index.htm" rel="ugc">http://www.dynamicdrive.com/dynamicindex16/chainedselects/index.htm</a>&nbsp;; but still 2nd and after ----- lines questions are up-to-date.
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I've got solution: http://www.dynamicdrive.com/dynamicindex16/chainedselects/index.htm [http://www.dynamicdrive.com/dynamicindex16/chainedselects/index.htm] ; but still 2nd and after ----- lines questions are up-to-date.

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How to modify this script (or write/link to another):<br />
<a href="http://www.codeassembly.com/Simple-chained-combobox-plugin-for-jQuery/" rel="ugc">http://www.codeassembly.com/Simple-chained-combobox-plugin-for-jQuery/</a><br />
<br />
to:<br />
1. when I click 1st option -&gt; 2nd option shows, with the specified select list;<br />
&nbsp; &nbsp; when I click 2nd option -&gt; 3rd option shows, with the specified select list;<br />
&nbsp; &nbsp;etc.<br />
2. for ex. in the 3rd option list is option: &gt;&nbsp;more; when it's clicked below shows input text field with description<br />
<br />
--------------------------<wbr />-------<br />
How to do a select list, which - when I click for ex. 1 option (e.g. category), below will show form with 3 input fields with description ?<br />
<br />
Please help.
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How to modify this script (or write/link to another):
http://www.codeassembly.com/Simple-chained-combobox-plugin-for-jQuery/

to:
1. when I click 1st option -> 2nd option shows, with the specified select list;
    when I click 2nd option -> 3rd option shows, with the specified select list;
   etc.
2. for ex. in the 3rd option list is option: > more; when it's clicked below shows input text field with description

---------------------------------
How to do a select list, which - when I click for ex. 1 option (e.g. category), below will show form with 3 input fields with description ?

Please help.

Ajax chained select menu; expandable

Asynchronous JavaScript and XML (AJAX) is a group of interrelated Web development techniques used on the client-side to create asynchronous Web applications. With AJAX, web applications can send data to and retrieve from a server asynchronously (in the background) without interfering with the display and behavior of the existing page. HTML and CSS can be used in combination to mark up and style information. The Document Object Model (DOM) is accessed with JavaScript to dynamically display and allow interaction with the information presented.

AJAX

JavaScript is a dynamic, object-based language commonly used for client-side scripting in web browsers. Recently, server side JavaScript frameworks have also emerged. JavaScript runs on nearly every operating system and  in almost every mainstream web browser.

JavaScript

PHP is a widely-used server-side scripting language especially suited for web development, powering tens of millions of sites from Facebook to personal WordPress blogs. PHP is often paired with the MySQL relational database, but includes support for most other mainstream databases. By utilizing different Server APIs, PHP can work on many different web servers as a server-side scripting language.