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    <h2>jsFiddle: <a href="http://jsfiddle.net/h3XLP/" rel="nofollow">http://jsfiddle.net/h3XLP/</a></h2> <p>very common to get jQuery answers but it's really not that comprehensive with standalone JavaScript</p> <p>note: add the attribute <code>style="display:none;"</code> to the second table</p> <pre><code>var select = document.getElementsByTagName("select")[0]; select.onchange=function(){ if(select.value=="2"){ document.getElementsByTagName("table")[1].style.display="inline"; }else{ document.getElementsByTagName("table")[1].style.display="none"; } } </code></pre> <p>however you should alternatively use below, as you may have more select and table elements in your document</p> <h2><a href="http://jsfiddle.net/h3XLP/1/" rel="nofollow">http://jsfiddle.net/h3XLP/1/</a></h2> <pre><code>var select = document.getElementById("selectnopuppies"); select.onchange=function(){ if(select.value=="2"){ document.getElementById("secondpuppytable").style.display="inline"; }else{ document.getElementById("secondpuppytable").style.display="none"; } } </code></pre> <hr> <pre><code>&lt;p&gt;Please select number of puppies:&lt;/p&gt; &lt;p&gt; &lt;select id="selectnopuppies"&gt; &lt;option value="1"&gt;1&lt;/option&gt; &lt;option value="2"&gt;2&lt;/option&gt; &lt;/select&gt; &lt;/p&gt; &lt;form id="form1" name="form1" method="POST" action="&lt;%=MM_editAction%&gt;"&gt; &lt;p&gt;Puppy 1:&lt;/p&gt; &lt;p&gt;&amp;nbsp;&lt;/p&gt; &lt;table width="330" border="0"&gt; &lt;tr&gt; &lt;td&gt;Name:&lt;/td&gt; &lt;td&gt; &lt;input type="text" name="PuppyName1" /&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;Colour:&lt;/td&gt; &lt;td&gt; &lt;input type="text" name="PuppyColour1" /&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;Sex:&lt;/td&gt; &lt;td&gt; &lt;select name="PuppySex1" id="PuppySex1"&gt; &lt;option value=" "&gt;&lt;/option&gt; &lt;option value="Male"&gt;Male&lt;/option&gt; &lt;option value="Female"&gt;Female&lt;/option&gt; &lt;/select&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;Microchip/DNA Profile:&lt;/td&gt; &lt;td&gt; &lt;select name="PuppyMicrochip1" id="PuppyMicrochip1"&gt; &lt;option value="No"&gt;No&lt;/option&gt; &lt;option value="Microchip"&gt;Microchip&lt;/option&gt; &lt;option value="DNA Profile"&gt;DNA Profile&lt;/option&gt; &lt;/select&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt; &lt;p&gt;Microchip/DNA Number:&lt;/p&gt; &lt;/td&gt; &lt;td&gt;&amp;nbsp;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;div id="secondpuppytable" style="display:none;"&gt; &lt;p&gt;Puppy 2:&lt;/p&gt; &lt;table width="330" border="0"&gt; &lt;tr&gt; &lt;td&gt;Name:&lt;/td&gt; &lt;td&gt; &lt;input type="text" name="PuppyName2" /&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;Colour:&lt;/td&gt; &lt;td&gt; &lt;input type="text" name="PuppyColour2" /&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;Sex:&lt;/td&gt; &lt;td&gt; &lt;select name="PuppySex2" id="PuppySex2"&gt; &lt;option value=" "&gt;&lt;/option&gt; &lt;option value="Male"&gt;Male&lt;/option&gt; &lt;option value="Female"&gt;Female&lt;/option&gt; &lt;/select&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;Microchip/DNA Profile:&lt;/td&gt; &lt;td&gt; &lt;select name="PuppyMicrochip2" id="select2"&gt; &lt;option value="No"&gt;No&lt;/option&gt; &lt;option value="Microchip"&gt;Microchip&lt;/option&gt; &lt;option value="DNA Profile"&gt;DNA Profile&lt;/option&gt; &lt;/select&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt; &lt;p&gt;Microchip/DNA Number:&lt;/p&gt; &lt;/td&gt; &lt;td&gt; &lt;input name="PuppyMicrochipNum2" type="text" id="PuppyMicrochipNum2" /&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/div&gt; </code></pre>
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    1. COHi, many thanks for your reply. I can't seems to get it working when I copy and paste the code. It is written in normal javascript isn't it?
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    2. COyes, you must add the script before your closing head tag like this `<script type='text/javascript'> window.onload=function(){ var select = document.getElementById("selectnopuppies"); select.onchange=function(){ if(select.value=="2"){ document.getElementById("secondpuppytable").style.display="inline"; }else{ document.getElementById("secondpuppytable").style.display="none"; } } } </script>`
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    3. COBrilliant that worked, not sure what I was doing wrong, thank you. If I want to add more tables is that easy to do? Many thanks again
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