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    <p>There are plenty of solutions for that. One of the simpliest options is to change your markup a bit and use <code>div</code> IDs.</p> <p><em>HTML:</em></p> <pre><code>&lt;div id="section1"&gt; &lt;label for="food"&gt;What is your favourite type of food?&lt;/label&gt; &lt;select id="food" onchange="selection(this)"&gt; &lt;option value="pizza"&gt;Pizza&lt;/option&gt; &lt;option value="mex"&gt;Mexican&lt;/option&gt; &lt;option value="thai"&gt;Thai&lt;/option&gt; &lt;/select&gt; &lt;/div&gt; &lt;div id="section_pizza" style="display: none;"&gt; What is your favourite type of pizza?&lt;br&gt; &lt;label for="hawaiian"&gt;Hawaiian&lt;/label&gt;&lt;input type="radio" id="hawaiian"&gt; &lt;label for="supreme"&gt;Supreme&lt;/label&gt;&lt;input type="radio" id="supreme"&gt; &lt;label for="vegetarian"&gt;Vegetarian&lt;/label&gt;&lt;input type="radio" id="vegetarian"&gt; &lt;/div&gt; </code></pre> <p><em>JavaScript:</em></p> <pre><code>function selection(select) { document.getElementById("section_" + select.value).style.display = "block"; } </code></pre> <hr> <p>However, you can use <a href="http://jquery.com/" rel="nofollow">JQuery library</a> and make it faster and more flexible. You can easily add animation to blocks and add extra functionality.</p> <p><em>HTML:</em></p> <pre><code>&lt;div id="section1"&gt; &lt;label for="food"&gt;What is your favourite type of food?&lt;/label&gt; &lt;select id="food"&gt; &lt;option value="pizza"&gt;Pizza&lt;/option&gt; &lt;option value="mex"&gt;Mexican&lt;/option&gt; &lt;option value="thai"&gt;Thai&lt;/option&gt; &lt;/select&gt; &lt;/div&gt; &lt;div id="section2" data-type="pizza" style="display: none;"&gt; What is your favourite type of pizza?&lt;br&gt; &lt;label for="hawaiian"&gt;Hawaiian&lt;/label&gt;&lt;input type="radio" id="hawaiian"&gt; &lt;label for="supreme"&gt;Supreme&lt;/label&gt;&lt;input type="radio" id="supreme"&gt; &lt;label for="vegetarian"&gt;Vegetarian&lt;/label&gt;&lt;input type="radio" id="vegetarian"&gt; &lt;/div&gt; </code></pre> <p><em>JavaScript:</em></p> <pre><code>$("#food").change(function() { $("[data-type]").hide(); $("[data-type='" + this.value + "']").show(1000); }); </code></pre>
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    1. PODrop down list - display div when clicking an option
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    1. COi can't really change that. this is a practical which i need to do :s. The id's need to stay section1,section2,section3 for the options pizza, mex and thai :/
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    2. CO@AnthonyDo Please check the post update and have a look at JQuery.
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    3. CO@downvoter Provide a comment please.
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