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PO1MB worth of drop-down list data, needs to be downloaded and displayed dynamically
 

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  1. PO1MB worth of drop-down list data, needs to be downloaded and displayed dynamically
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    <p>So I've got a website with two HTML drop-down lists- one is a list of US states, the other is a list of the cities/towns in the selected state. As of right now, I have a file for each state, and they all have the options listed as such:</p> <pre><code>&lt;option value="44.729932, -72.381758"&gt;Albany&lt;/option&gt; &lt;option value="44.976728, -73.30257"&gt;Alburg&lt;/option&gt; </code></pre> <p>The value is the city/town's coordinates. I can't have all this data downloaded at once (well I guess I could but it's 1MB and I'm serving the page on a 130KB/s connection...) so I'd like a way to have each town/city file downloaded once its state name has been selected... I made these files under the assumption I could just do this:</p> <pre><code>&lt;select name="state" method="get" id="state"&gt; &lt;option value="citiestowns/alabama.html"&gt;Alabama&lt;/option&gt; &lt;option value="citiestowns/alaska.html"&gt;Alaska&lt;/option&gt; &lt;/select&gt; &lt;select id="cityortown" name="cityortown"&gt; &lt;?php $state = $_GET['state']; include("$state"); ?&gt; &lt;/select&gt; </code></pre> <p>But when I do this, I just get the state drop down list and a blank drop down list next to it... heeeeeelp! :(</p>
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    1. COFYI, the `$_GET['state']` is never assigned because the form needs to be submitted for it to interact with the server. You should have a read up on [AJAX techniques](http://www.devirtuoso.com/2009/07/beginners-guide-to-using-ajax-with-jquery/) to learn how to do requests without reloading the page.
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