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http://mths.be/details v0.1.0 by @mathias | includes http://mths.be/noselect v1.0.3 */\n;(function(document, $) {\n\n\tvar proto = $.fn,\n\t    details,\n\t    // :'(\n\t    isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]',\n\t    // Feature test for native `<details>` support\n\t    isDetailsSupported = (function(doc) {\n\t    \tvar el = doc.createElement('details'),\n\t    \t    fake,\n\t    \t    root,\n\t    \t    diff;\n\t    \tif (!('open' in el)) {\n\t    \t\treturn false;\n\t    \t}\n\t    \troot = doc.body || (function() {\n\t    \t\tvar de = doc.documentElement;\n\t    \t\tfake = true;\n\t    \t\treturn de.insertBefore(doc.createElement('body'), de.firstElementChild || de.firstChild);\n\t    \t}());\n\t    \tel.innerHTML = '<summary>a</summary>b';\n\t    \tel.style.display = 'block';\n\t    \troot.appendChild(el);\n\t    \tdiff = el.offsetHeight;\n\t    \tel.open = true;\n\t    \tdiff = diff != el.offsetHeight;\n\t    \troot.removeChild(el);\n\t    \tif (fake) {\n\t    \t\troot.parentNode.removeChild(root);\n\t    \t}\n\t    \treturn diff;\n\t    }(document)),\n\t    toggleOpen = function($details, $detailsSummary, $detailsNotSummary, toggle) {\n\t    \tvar isOpen = $details.prop('open'),\n\t    \t    close = isOpen && toggle || !isOpen && !toggle;\n\t    \tif (close) {\n\t    \t\t$details.removeClass('open').prop('open', false).triggerHandler('close.details');\n\t    \t\t$detailsSummary.attr('aria-expanded', false);\n\t    \t\t$detailsNotSummary.hide();\n\t    \t} else {\n\t    \t\t$details.addClass('open').prop('open', true).triggerHandler('open.details');\n\t    \t\t$detailsSummary.attr('aria-expanded', true);\n\t    \t\t$detailsNotSummary.show();\n\t    \t}\n\t    };\n\n\t/* http://mths.be/noselect v1.0.3 */\n\tproto.noSelect = function() {\n\n\t\t// Since the string 'none' is used three times, storing it in a variable gives better results after minification\n\t\tvar none = 'none';\n\n\t\t// onselectstart and ondragstart for WebKit & IE\n\t\t// onmousedown for WebKit & Opera\n\t\treturn this.bind('selectstart dragstart mousedown', function() {\n\t\t\treturn false;\n\t\t}).css({\n\t\t\t'MozUserSelect': none,\n\t\t\t'msUserSelect': none,\n\t\t\t'webkitUserSelect': none,\n\t\t\t'userSelect': none\n\t\t});\n\n\t};\n\n\t// Execute the fallback only if there’s no native `details` support\n\tif (isDetailsSupported) {\n\n\t\tdetails = proto.details = function() {\n\n\t\t\treturn this.each(function(index) {\n\t\t\t\tvar $details = $(this),\n\t\t\t\t    $summary = $('summary', $details).first();\n\t\t\t\t// If `$details` doesn’t already have one, assign a generated `id` for\n\t\t\t\t// `aria-controls` on the `<summary>` to reference.\n\t\t\t\tif (!$details.attr('id')) {\n\t\t\t\t\t$details.attr('id', 'details-id-' + index);\n\t\t\t\t}\n\t\t\t\t$details.attr('role', 'group');\n\t\t\t\t$summary.attr({\n\t\t\t\t\t'role': 'button',\n\t\t\t\t\t'aria-expanded': $details.prop('open'),\n\t\t\t\t\t'aria-controls': $details.attr('id')\n\t\t\t\t}).on('click', function() {\n\t\t\t\t\t// the value of the `open` property is the old value\n\t\t\t\t\tvar close = $details.prop('open');\n\t\t\t\t\t$summary.attr('aria-expanded', !close);\n\t\t\t\t\t$details.triggerHandler((close ? 'close' : 'open') + '.details');\n\t\t\t\t});\n\t\t\t});\n\n\t\t};\n\n\t\tdetails.support = isDetailsSupported;\n\n\t} else {\n\n\t\tdetails = proto.details = function() {\n\n\t\t\t// Loop through all `details` elements\n\t\t\treturn this.each(function(index) {\n\n\t\t\t\t// Store a reference to the current `details` element in a variable\n\t\t\t\tvar $details = $(this),\n\t\t\t\t    // Store a reference to the `summary` element of the current `details` element (if any) in a variable\n\t\t\t\t    $detailsSummary = $('summary', $details).first(),\n\t\t\t\t    // Do the same for the info within the `details` element\n\t\t\t\t    $detailsNotSummary = $details.children(':not(summary)'),\n\t\t\t\t    // This will be used later to look for direct child text nodes\n\t\t\t\t    $detailsNotSummaryContents = $details.contents(':not(summary)');\n\t\t\t\t//assign a generated @id to the details element for reference by @aria-controls on the summary\n\t\t\t\tif (!$details.attr('id')) {\n\t\t\t\t\t$details.attr('id', 'details-id-' + index);\n\t\t\t\t}\n\t\t\t\t$details.attr('role', 'group');\n\t\t\t\t// If there is no `summary` in the current `details` element…\n\t\t\t\tif (!$detailsSummary.length) {\n\t\t\t\t\t// …create one with default text\n\t\t\t\t\t$detailsSummary = $('<summary>').text('Details').prependTo($details);\n\t\t\t\t}\n\n\t\t\t\t// Look for direct child text nodes\n\t\t\t\tif ($detailsNotSummary.length != $detailsNotSummaryContents.length) {\n\t\t\t\t\t// Wrap child text nodes in a `span` element\n\t\t\t\t\t$detailsNotSummaryContents.filter(function() {\n\t\t\t\t\t\t// Only keep the node in the collection if it’s a text node containing more than only whitespace\n\t\t\t\t\t\t// http://www.whatwg.org/specs/web-apps/current-work/multipage/common-microsyntaxes.html#space-character\n\t\t\t\t\t\treturn this.nodeType == 3 && /[^ \\t\\n\\f\\r]/.test(this.data);\n\t\t\t\t\t}).wrap('<span>');\n\t\t\t\t\t// There are now no direct child text nodes anymore — they’re wrapped in `span` elements\n\t\t\t\t\t$detailsNotSummary = $details.children(':not(summary)');\n\t\t\t\t}\n\n\t\t\t\t// Hide content unless there’s an `open` attribute\n\t\t\t\t$details.prop('open', typeof $details.attr('open') == 'string');\n\t\t\t\ttoggleOpen($details, $detailsSummary, $detailsNotSummary);\n\n\t\t\t\t// Add `role=button` and set the `tabindex` of the `summary` element to `0` to make it keyboard accessible\n\t\t\t\t$detailsSummary.attr({'role': 'button', 'aria-controls': $details.attr('id')}).noSelect().prop('tabIndex', 0).on('click', function() {\n\t\t\t\t\t// Focus on the `summary` element\n\t\t\t\t\t$detailsSummary.focus();\n\t\t\t\t\t// Toggle the `open` and `aria-expanded` attributes and the `open` property of the `details` element and display the additional info\n\t\t\t\t\ttoggleOpen($details, $detailsSummary, $detailsNotSummary, true);\n\t\t\t\t}).keyup(function(event) {\n\t\t\t\t\tif (32 == event.keyCode || (13 == event.keyCode && !isOpera)) {\n\t\t\t\t\t\t// Space or Enter is pressed — trigger the `click` event on the `summary` element\n\t\t\t\t\t\t// Opera already seems to trigger the `click` event when Enter is pressed\n\t\t\t\t\t\tevent.preventDefault();\n\t\t\t\t\t\t$detailsSummary.click();\n\t\t\t\t\t}\n\t\t\t\t});\n\n\t\t\t});\n\n\t\t};\n\n\t\tdetails.support = isDetailsSupported;\n\n\t}\n\n}(document, jQuery));\n"]}