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    <p>Without a bit more code to look at, I can't really suggest changes to make directly to your code but I've managed to mock up a working version of what you're perhaps looking for with the following <a href="http://jsfiddle.net/ZCe2N/" rel="nofollow">jsFiddle</a>.</p> <p>I've also broken down the equation into parts to make it easier to see what's going on.</p> <p>So as you scroll the <code>text</code> div, the <code>photos</code> div scrolls at the same ratio depending on the height of the two containers.</p> <p>JavaScript:</p> <pre><code>$(document).ready(function(){ $('#textScroll').scroll(function(){ var textDiff = $('#text').height() - $('#textScroll').height(); var textDiffRatio = (1 / textDiff) * $('#textScroll').scrollTop(); var photosDiff = $('#photos').height() - $('#photosScroll').height(); var photosScrollTop = textDiffRatio * photosDiff; $('#photosScroll').scrollTop(photosScrollTop); }); }); </code></pre> <p>HTML:</p> <pre><code>&lt;div id="textScroll" style="width:100px; height:100px; overflow:auto;"&gt; &lt;div id="text"&gt; Text 1&lt;br /&gt; Text 2&lt;br /&gt; Text 3&lt;br /&gt; Text 4&lt;br /&gt; Text 5&lt;br /&gt; Text 6&lt;br /&gt; Text 7 &lt;/div&gt; &lt;/div&gt; &lt;div id="photosScroll" style="width:100px; height:100px; overflow:auto;"&gt; &lt;div id="photos"&gt; Photos 1&lt;br /&gt; Photos 1&lt;br /&gt; Photos 2&lt;br /&gt; Photos 2&lt;br /&gt; Photos 3&lt;br /&gt; Photos 3&lt;br /&gt; Photos 4&lt;br /&gt; Photos 4&lt;br /&gt; Photos 5&lt;br /&gt; Photos 5&lt;br /&gt; Photos 6&lt;br /&gt; Photos 6&lt;br /&gt; Photos 7&lt;br /&gt; Photos 7 &lt;/div&gt; &lt;/div&gt; </code></pre> <p>Hope it helps you solve your problem.</p>
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    1. POHow do I scroll a column at a different speed?
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    1. COThank you, this was exactly what I needed. Also thanks for breaking it down, I understand now. You're very clever.
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