/******************************************************************************** faq.js Copyright (c) 2006, Lee Feigenbaum ( lee AT thefigtrees DOT net ) Slightly adapted by Ivan Herman, ivan AT w3.org All rights reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *******************************************************************************/ /* To use, an XHTML file should include this scrpit file and should structure its content as follows. It also needs to invoke the function Faq.prepareFaq(); when the page has loaded ( )

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*/ var Faq = { options : { number : true, categories : true } }; Faq.questionClicked = function(event, answer) { // toggle status of the answer (change class info for faq/question?) // note that the default status needs to be all visible, but it's ok to do // other changes via CSS class changes which hide/reveal elements. Element.toggle(answer); } Faq._prepareFaqs = function(parent, preface) { var i = 1; document.getElementsByClassName("faq", parent).each( function(faq) { // @@ find internal links w/in the page and add a click event handler // which expands the target question (need to strip frag ID and // then match strings? (#href shows up as the full URL in a.href) var q = document.getElementsByClassName("question", faq)[0]; q.innerHTML = '' + q.innerHTML + ''; var qtext = document.getElementsByClassName("question-text", q)[0]; var a = document.getElementsByClassName("answer", faq)[0]; if (Faq.options.number) { new Insertion.Top(q, preface + i++ + ". "); } // add a permalink //new Insertion.Bottom(q, 'permalink'); Element.hide(a); Event.observe(qtext, "click", function (e) { Faq.questionClicked(e, a); return false; }, false); Event.observe(qtext, "mouseover", function(e) { Element.addClassName(qtext, "as-link"); }); Event.observe(qtext, "mouseout", function(e) { Element.removeClassName(qtext, "as-link"); }); } ); } Faq._toggleAll = function(expand) { document.getElementsByClassName("answer").each( function (answer) { if (expand) Element.show(answer); else Element.hide(answer); } ); } Faq.expandAll = function() { Faq._toggleAll(true); } Faq.collapseAll = function() { Faq._toggleAll(false); } Faq.gotoFaq = function(part) { var faq = $(part); Element.scrollTo(faq); Element.show(document.getElementsByClassName("answer", faq)[0]); } Faq.prepareFaq = function() { // collapse and (if desired) number all the categories var i = 1; if (Faq.options.categories) { document.getElementsByClassName("category").each( function(category) { var preface = i++ + "."; if (Faq.options.number) { new Insertion.Top(document.getElementsByClassName("category-title", category)[0], preface + " "); } Faq._prepareFaqs(category, preface); } ); } else { Faq._prepareFaqs(document, ""); } var part = document.location.hash; if (part && part.length > 1) { Faq.gotoFaq(part.substring(1)); } // add expand/collapse all link var d = document.createElement("div"); Element.addClassName(d, "top-left"); d.innerHTML = 'expand all | collapse all'; document.body.insertBefore(d, document.body.firstChild); }