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copied!<p>This turns out to be a bit trickier than it seems, as the <a href="http://docs.jquery.com/UI/Accordion" rel="nofollow">Accordion API docs</a> are not all that easy to follow, and the <code>activate()</code> function doesn't appear to work as advertised.</p> <p>From your question, it sounds like you want to open an accordion section by referencing a div ID. This isn't possible out of the box; you can only identify sections using a 0-based index (e.g. 0 = first section, 1 = second section, etc.).</p> <p>Having said that, this approach will work:</p> <p>Define the links like this:</p> <pre><code><a href="10387904_Accordion_link_2.html?openAccordionId=0">Open first item</a> <a href="10387904_Accordion_link_2.html?openAccordionId=1">Open second item</a> <a href="10387904_Accordion_link_2.html?openAccordionId=2">Open third item</a> </code></pre> <p>On the page containing the accordion, use the following code to extract the ID from the query string and initialise the accordion with the relevant section activated:</p> <pre><code>// Using the parseQueryString extension from // http://paulgueller.com/2011/04/26/parse-the-querystring-with-jquery/ $.extend({ parseQuerystring: function () { var nvpair = {}; var qs = window.location.search.replace('?', ''); var pairs = qs.split('&'); $.each(pairs, function (i, v) { var pair = v.split('='); nvpair[pair[0]] = pair[1]; }); return nvpair; } }); // Get the index of the section we want to open from the querystring. var openAccordionId = parseInt($.parseQuerystring()["openAccordionId"]); // Initialise the accordion with the active section defined. var accordion = $("#accordion").accordion({ active: openAccordionId }); // Note: for some reason, the following does not work: // var accordion = $("#accordion").accordion(); // accordion.activate(openAccordionId); </code></pre>

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