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    <p>A simple plain-JavaScript (no library required) version:</p> <pre><code>function checks (){ var button = this.className.indexOf('uncheckAll') === -1, row = this.parentNode.parentNode, inputs = row.getElementsByTagName('input'); for (var i = 0, len = inputs.length; i &lt; len; i++) { if (inputs[i].type == 'checkbox') { inputs[i].checked = button; } } } var buttons = document.getElementsByTagName('button'); for (var i = 0, len = buttons.length; i &lt; len; i++) { buttons[i].addEventListener('click', checks); } </code></pre> <p><a href="http://jsfiddle.net/davidThomas/Hkqdq/" rel="nofollow">JS Fiddle demo</a>.</p> <p>The above amended to avoid having to explicitly traverse the DOM (which, using sequential <code>parentNode.parentNode</code>... requires an advance knowledge of the HTML structure), using a (simple) <code>closest()</code> shim:</p> <pre><code>HTMLElement.prototype.closest = function (tagName) { tagName = tagName.toLowerCase(); var self = this, selfTag = self.tagName.toLowerCase(); return selfTag == tagName ? self : self.parentNode.closest(tagName); } function checks (){ var button = this.className.indexOf('uncheckAll') === -1, row = this.closest('tr'), inputs = row.getElementsByTagName('input'); for (var i = 0, len = inputs.length; i &lt; len; i++) { if (inputs[i].type == 'checkbox') { inputs[i].checked = button; } } } var buttons = document.getElementsByTagName('button'); for (var i = 0, len = buttons.length; i &lt; len; i++) { buttons[i].addEventListener('click', checks); } </code></pre> <p><a href="http://jsfiddle.net/davidThomas/Hkqdq/6/" rel="nofollow">JS Fiddle demo</a>.</p> <p>References:</p> <ul> <li><a href="https://developer.mozilla.org/en-US/docs/Web/API/document.getElementsByTagName" rel="nofollow"><code>document.getElementsByTagName()</code></a>.</li> <li><a href="https://developer.mozilla.org/es/docs/DOM/elemento.addEventListener" rel="nofollow"><code>Element.addEventListener()</code></a>.</li> <li><a href="https://developer.mozilla.org/en-US/docs/Web/API/element.tagName" rel="nofollow"><code>Element.tagName</code></a>.</li> <li><a href="https://developer.mozilla.org/en-US/docs/Web/API/Node.parentNode" rel="nofollow"><code>Node.parentNode</code></a>.</li> <li><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toLowerCase" rel="nofollow"><code>String.toLowerCase()</code></a>.</li> </ul>
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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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