"!==k[1]||lb.test(f)?0:h:h.firstChild,e=f&&f.childNodes.length;while(e--)n.nodeName(j=f.childNodes[e],"tbody")&&!j.childNodes.length&&f.removeChild(j)}n.merge(p,h.childNodes),h.textContent="";while(h.firstChild)h.removeChild(h.firstChild);h=o.lastChild}else p.push(b.createTextNode(f));h&&o.removeChild(h),l.appendChecked||n.grep(vb(p,"input"),wb),q=0;while(f=p[q++])if((!d||-1===n.inArray(f,d))&&(g=n.contains(f.ownerDocument,f),h=vb(o.appendChild(f),"script"),g&&Ab(h),c)){e=0;while(f=h[e++])pb.test(f.type||"")&&c.push(f)}return h=null,o},cleanData:function(a,b){for(var d,e,f,g,h=0,i=n.expando,j=n.cache,k=l.deleteExpando,m=n.event.special;null!=(d=a[h]);h++)if((b||n.acceptData(d))&&(f=d[i],g=f&&j[f])){if(g.events)for(e in g.events)m[e]?n.event.remove(d,e):n.removeEvent(d,e,g.handle);j[f]&&(delete j[f],k?delete d[i]:typeof d.removeAttribute!==L?d.removeAttribute(i):d[i]=null,c.push(f))}}}),n.fn.extend({text:function(a){return W(this,function(a){return void 0===a?n.text(this):this.empty().append((this[0]&&this[0].ownerDocument||z).createTextNode(a))},null,a,arguments.length)},append:function(){return this.domManip(arguments,function(a){if(1===this.nodeType||11===this.nodeType||9===this.nodeType){var b=xb(this,a);b.appendChild(a)}})},prepend:function(){return this.domManip(arguments,function(a){if(1===this.nodeType||11===this.nodeType||9===this.nodeType){var b=xb(this,a);b.insertBefore(a,b.firstChild)}})},before:function(){return this.domManip(arguments,function(a){this.parentNode&&this.parentNode.insertBefore(a,this)})},after:function(){return this.domManip(arguments,function(a){this.parentNode&&this.parentNode.insertBefore(a,this.nextSibling)})},remove:function(a,b){for(var c,d=a?n.filter(a,this):this,e=0;null!=(c=d[e]);e++)b||1!==c.nodeType||n.cleanData(vb(c)),c.parentNode&&(b&&n.contains(c.ownerDocument,c)&&Ab(vb(c,"script")),c.parentNode.removeChild(c));return this},empty:function(){for(var a,b=0;null!=(a=this[b]);b++){1===a.nodeType&&n.cleanData(vb(a,!1));while(a.firstChild)a.removeChild(a.firstChild);a.options&&n.nodeName(a,"select")&&(a.options.length=0)}return this},clone:function(a,b){return a=null==a?!1:a,b=null==b?a:b,this.map(function(){return n.clone(this,a,b)})},html:function(a){return W(this,function(a){var b=this[0]||{},c=0,d=this.length;if(void 0===a)return 1===b.nodeType?b.innerHTML.replace(gb,""):void 0;if(!("string"!=typeof a||nb.test(a)||!l.htmlSerialize&&hb.test(a)||!l.leadingWhitespace&&ib.test(a)||sb[(kb.exec(a)||["",""])[1].toLowerCase()])){a=a.replace(jb,"<$1>");try{for(;d>c;c++)b=this[c]||{},1===b.nodeType&&(n.cleanData(vb(b,!1)),b.innerHTML=a);b=0}catch(e){}}b&&this.empty().append(a)},null,a,arguments.length)},replaceWith:function(){var a=arguments[0];return this.domManip(arguments,function(b){a=this.parentNode,n.cleanData(vb(this)),a&&a.replaceChild(b,this)}),a&&(a.length||a.nodeType)?this:this.remove()},detach:function(a){return this.remove(a,!0)},domManip:function(a,b){a=e.apply([],a);var c,d,f,g,h,i,j=0,k=this.length,m=this,o=k-1,p=a[0],q=n.isFunction(p);if(q||k>1&&"string"==typeof p&&!l.checkClone&&ob.test(p))return this.each(function(c){var d=m.eq(c);q&&(a[0]=p.call(this,c,d.html())),d.domManip(a,b)});if(k&&(i=n.buildFragment(a,this[0].ownerDocument,!1,this),c=i.firstChild,1===i.childNodes.length&&(i=c),c)){for(g=n.map(vb(i,"script"),yb),f=g.length;k>j;j++)d=i,j!==o&&(d=n.clone(d,!0,!0),f&&n.merge(g,vb(d,"script"))),b.call(this[j],d,j);if(f)for(h=g[g.length-1].ownerDocument,n.map(g,zb),j=0;f>j;j++)d=g[j],pb.test(d.type||"")&&!n._data(d,"globalEval")&&n.contains(h,d)&&(d.src?n._evalUrl&&n._evalUrl(d.src):n.globalEval((d.text||d.textContent||d.innerHTML||"").replace(rb,"")));i=c=null}return this}}),n.each({appendTo:"append",prependTo:"prepend",insertBefore:"before",insertAfter:"after",replaceAll:"replaceWith"},function(a,b){n.fn[a]=function(a){for(var c,d=0,e=[],g=n(a),h=g.length-1;h>=d;d++)c=d===h?this:this.clone(!0),n(g[d])[b](c),f.apply(e,c.get());return this.pushStack(e)}});var Db,Eb={};function Fb(b,c){var d=n(c.createElement(b)).appendTo(c.body),e=a.getDefaultComputedStyle?a.getDefaultComputedStyle(d[0]).display:n.css(d[0],"display");return d.detach(),e}function Gb(a){var b=z,c=Eb[a];return c||(c=Fb(a,b),"none"!==c&&c||(Db=(Db||n("")).appendTo(b.documentElement),b=(Db[0].contentWindow||Db[0].contentDocument).document,b.write(),b.close(),c=Fb(a,b),Db.detach()),Eb[a]=c),c}!function(){var a,b,c=z.createElement("div"),d="-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;display:block;padding:0;margin:0;border:0";c.innerHTML=" a
",e.firstChild.style.width="5px",b=3!==e.offsetWidth),a.removeChild(c),a=c=e=null}return b}}();var Hb=/^margin/,Ib=new RegExp("^("+T+")(?!px)[a-z%]+$","i"),Jb,Kb,Lb=/^(top|right|bottom|left)$/;a.getComputedStyle?(Jb=function(a){return a.ownerDocument.defaultView.getComputedStyle(a,null)},Kb=function(a,b,c){var d,e,f,g,h=a.style;return c=c||Jb(a),g=c?c.getPropertyValue(b)||c[b]:void 0,c&&(""!==g||n.contains(a.ownerDocument,a)||(g=n.style(a,b)),Ib.test(g)&&Hb.test(b)&&(d=h.width,e=h.minWidth,f=h.maxWidth,h.minWidth=h.maxWidth=h.width=g,g=c.width,h.width=d,h.minWidth=e,h.maxWidth=f)),void 0===g?g:g+""}):z.documentElement.currentStyle&&(Jb=function(a){return a.currentStyle},Kb=function(a,b,c){var d,e,f,g,h=a.style;return c=c||Jb(a),g=c?c[b]:void 0,null==g&&h&&h[b]&&(g=h[b]),Ib.test(g)&&!Lb.test(b)&&(d=h.left,e=a.runtimeStyle,f=e&&e.left,f&&(e.left=a.currentStyle.left),h.left="fontSize"===b?"1em":g,g=h.pixelLeft+"px",h.left=d,f&&(e.left=f)),void 0===g?g:g+""||"auto"});function Mb(a,b){return{get:function(){var c=a();if(null!=c)return c?void delete this.get:(this.get=b).apply(this,arguments)}}}!function(){var b,c,d,e,f,g,h=z.createElement("div"),i="border:0;width:0;height:0;position:absolute;top:0;left:-9999px",j="-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;display:block;padding:0;margin:0;border:0";h.innerHTML=" a a a ").append(n.parseHTML(a)).find(d):a)}).complete(c&&function(a,b){g.each(c,e||[a.responseText,b,a])}),this},n.expr.filters.animated=function(a){return n.grep(n.timers,function(b){return a===b.elem}).length};var dd=a.document.documentElement;function ed(a){return n.isWindow(a)?a:9===a.nodeType?a.defaultView||a.parentWindow:!1}n.offset={setOffset:function(a,b,c){var d,e,f,g,h,i,j,k=n.css(a,"position"),l=n(a),m={};"static"===k&&(a.style.position="relative"),h=l.offset(),f=n.css(a,"top"),i=n.css(a,"left"),j=("absolute"===k||"fixed"===k)&&n.inArray("auto",[f,i])>-1,j?(d=l.position(),g=d.top,e=d.left):(g=parseFloat(f)||0,e=parseFloat(i)||0),n.isFunction(b)&&(b=b.call(a,c,h)),null!=b.top&&(m.top=b.top-h.top+g),null!=b.left&&(m.left=b.left-h.left+e),"using"in b?b.using.call(a,m):l.css(m)}},n.fn.extend({offset:function(a){if(arguments.length)return void 0===a?this:this.each(function(b){n.offset.setOffset(this,a,b)});var b,c,d={top:0,left:0},e=this[0],f=e&&e.ownerDocument;if(f)return b=f.documentElement,n.contains(b,e)?(typeof e.getBoundingClientRect!==L&&(d=e.getBoundingClientRect()),c=ed(f),{top:d.top+(c.pageYOffset||b.scrollTop)-(b.clientTop||0),left:d.left+(c.pageXOffset||b.scrollLeft)-(b.clientLeft||0)}):d},position:function(){if(this[0]){var a,b,c={top:0,left:0},d=this[0];return"fixed"===n.css(d,"position")?b=d.getBoundingClientRect():(a=this.offsetParent(),b=this.offset(),n.nodeName(a[0],"html")||(c=a.offset()),c.top+=n.css(a[0],"borderTopWidth",!0),c.left+=n.css(a[0],"borderLeftWidth",!0)),{top:b.top-c.top-n.css(d,"marginTop",!0),left:b.left-c.left-n.css(d,"marginLeft",!0)}}},offsetParent:function(){return this.map(function(){var a=this.offsetParent||dd;while(a&&!n.nodeName(a,"html")&&"static"===n.css(a,"position"))a=a.offsetParent;return a||dd})}}),n.each({scrollLeft:"pageXOffset",scrollTop:"pageYOffset"},function(a,b){var c=/Y/.test(b);n.fn[a]=function(d){return W(this,function(a,d,e){var f=ed(a);return void 0===e?f?b in f?f[b]:f.document.documentElement[d]:a[d]:void(f?f.scrollTo(c?n(f).scrollLeft():e,c?e:n(f).scrollTop()):a[d]=e)},a,d,arguments.length,null)}}),n.each(["top","left"],function(a,b){n.cssHooks[b]=Mb(l.pixelPosition,function(a,c){return c?(c=Kb(a,b),Ib.test(c)?n(a).position()[b]+"px":c):void 0})}),n.each({Height:"height",Width:"width"},function(a,b){n.each({padding:"inner"+a,content:b,"":"outer"+a},function(c,d){n.fn[d]=function(d,e){var f=arguments.length&&(c||"boolean"!=typeof d),g=c||(d===!0||e===!0?"margin":"border");return W(this,function(b,c,d){var e;return n.isWindow(b)?b.document.documentElement["client"+a]:9===b.nodeType?(e=b.documentElement,Math.max(b.body["scroll"+a],e["scroll"+a],b.body["offset"+a],e["offset"+a],e["client"+a])):void 0===d?n.css(b,c,g):n.style(b,c,d,g)},b,f?d:void 0,f,null)}})}),n.fn.size=function(){return this.length},n.fn.andSelf=n.fn.addBack,"function"==typeof define&&define.amd&&define("jquery",[],function(){return n});var fd=a.jQuery,gd=a.$;return n.noConflict=function(b){return a.$===n&&(a.$=gd),b&&a.jQuery===n&&(a.jQuery=fd),n},typeof b===L&&(a.jQuery=a.$=n),n});
diff --git a/js/page_effects.js b/js/page_effects.js
new file mode 100644
index 0000000..fdacbf8
--- /dev/null
+++ b/js/page_effects.js
@@ -0,0 +1,112 @@
+function visibleInParent(element) {
+ var position = $(element).position().top
+ return position > -50 && position < ($(element).offsetParent().height() - 50)
+}
+
+function hasFragment(link, fragment) {
+ return $(link).attr("href").indexOf("#" + fragment) != -1
+}
+
+function findLinkByFragment(elements, fragment) {
+ return $(elements).filter(function(i, e) { return hasFragment(e, fragment)}).first()
+}
+
+function scrollToCurrentVarLink(elements) {
+ var elements = $(elements);
+ var parent = elements.offsetParent();
+
+ if (elements.length == 0) return;
+
+ var top = elements.first().position().top;
+ var bottom = elements.last().position().top + elements.last().height();
+
+ if (top >= 0 && bottom <= parent.height()) return;
+
+ if (top < 0) {
+ parent.scrollTop(parent.scrollTop() + top);
+ }
+ else if (bottom > parent.height()) {
+ parent.scrollTop(parent.scrollTop() + bottom - parent.height());
+ }
+}
+
+function setCurrentVarLink() {
+ $('.secondary a').parent().removeClass('current')
+ $('.anchor').
+ filter(function(index) { return visibleInParent(this) }).
+ each(function(index, element) {
+ findLinkByFragment(".secondary a", element.id).
+ parent().
+ addClass('current')
+ });
+ scrollToCurrentVarLink('.secondary .current');
+}
+
+var hasStorage = (function() { try { return localStorage.getItem } catch(e) {} }())
+
+function scrollPositionId(element) {
+ var directory = window.location.href.replace(/[^\/]+\.html$/, '')
+ return 'scroll::' + $(element).attr('id') + '::' + directory
+}
+
+function storeScrollPosition(element) {
+ if (!hasStorage) return;
+ localStorage.setItem(scrollPositionId(element) + "::x", $(element).scrollLeft())
+ localStorage.setItem(scrollPositionId(element) + "::y", $(element).scrollTop())
+}
+
+function recallScrollPosition(element) {
+ if (!hasStorage) return;
+ $(element).scrollLeft(localStorage.getItem(scrollPositionId(element) + "::x"))
+ $(element).scrollTop(localStorage.getItem(scrollPositionId(element) + "::y"))
+}
+
+function persistScrollPosition(element) {
+ recallScrollPosition(element)
+ $(element).scroll(function() { storeScrollPosition(element) })
+}
+
+function sidebarContentWidth(element) {
+ var widths = $(element).find('.inner').map(function() { return $(this).innerWidth() })
+ return Math.max.apply(Math, widths)
+}
+
+function calculateSize(width, snap, margin, minimum) {
+ if (width == 0) {
+ return 0
+ }
+ else {
+ return Math.max(minimum, (Math.ceil(width / snap) * snap) + (margin * 2))
+ }
+}
+
+function resizeSidebars() {
+ var primaryWidth = sidebarContentWidth('.primary')
+ var secondaryWidth = 0
+
+ if ($('.secondary').length != 0) {
+ secondaryWidth = sidebarContentWidth('.secondary')
+ }
+
+ // snap to grid
+ primaryWidth = calculateSize(primaryWidth, 32, 13, 160)
+ secondaryWidth = calculateSize(secondaryWidth, 32, 13, 160)
+
+ $('.primary').css('width', primaryWidth)
+ $('.secondary').css('width', secondaryWidth).css('left', primaryWidth + 1)
+
+ if (secondaryWidth > 0) {
+ $('#content').css('left', primaryWidth + secondaryWidth + 2)
+ }
+ else {
+ $('#content').css('left', primaryWidth + 1)
+ }
+}
+
+$(window).ready(resizeSidebars)
+$(window).ready(setCurrentVarLink)
+$(window).ready(function() { persistScrollPosition('.primary')})
+$(window).ready(function() {
+ $('#content').scroll(setCurrentVarLink)
+ $(window).resize(setCurrentVarLink)
+})