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    <p>Here is a solution, quite a bit of adjustment was made to your original to get it to work, as you will probably notice.</p> <p>CSS</p> <pre><code>div.rounded { width: 100%; border-style: solid; border-width: 1px; border-radius: 5px; } label { display: block; } input { display: block; } #previewTable { width: 100%; } </code></pre> <p>HTML</p> <pre><code>&lt;div id="imagesDiv" class="rounded"&gt; &lt;label for="chooseFiles"&gt;Add Images&lt;/label&gt; &lt;input type="file" id="chooseFiles" multiple="multiple" /&gt; &lt;table id="previewTable"&gt; &lt;thead id="columns"&gt;&lt;/thead&gt; &lt;tbody id="previews"&gt;&lt;/tbody&gt; &lt;/table&gt; &lt;/div&gt; </code></pre> <p>Javascript</p> <pre><code>(function (global) { var imagesPerRow = 3, chooseFiles, columns, previews; function PreviewImages() { var row; Array.prototype.forEach.call(chooseFiles.files, function (file, index) { var cindex = index % imagesPerRow, oFReader = new FileReader(), cell, image; if (cindex === 0) { row = previews.insertRow(Math.ceil(index / imagesPerRow)); } image = document.createElement("img"); image.id = "img_" + index; image.style.width = "100%"; image.style.height = "auto"; cell = row.insertCell(cindex); cell.appendChild(image); oFReader.addEventListener("load", function assignImageSrc(evt) { image.src = evt.target.result; this.removeEventListener("load", assignImageSrc); }, false); oFReader.readAsDataURL(file); }); } global.addEventListener("load", function windowLoadHandler() { global.removeEventListener("load", windowLoadHandler); chooseFiles = document.getElementById("chooseFiles"); columns = document.getElementById("columns"); previews = document.getElementById("previews"); var row = columns.insertRow(-1), header, i; for (i = 0; i &lt; imagesPerRow; i += 1) { header = row.insertCell(-1); header.style.width = (100 / imagesPerRow) + "%"; } chooseFiles.addEventListener("change", PreviewImages, false); }, false); }(window)); </code></pre> <p>On <a href="http://jsfiddle.net/Xotic750/6cgTj/">jsfiddle</a></p>
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    1. CONice! Seems to work great in chrome, but having an issue in firefox.
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    2. COI took a look myself and found the problem. The second parameter is actually not optional in `removeEventListener`. Chrome apparently doesn't complain, but Firefox does. The modified fiddle can be found at http://jsfiddle.net/6cgTj/23/.
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    3. CO@Ray Nicholas, yes that is the problem on Firefox. I have updated and all should be working.
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

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