'}else this._button.innerHTML="Log in";this._menuOpen?addClass(this._button,"cbc-globalnav-dropdown"):removeClass(this._button,"cbc-globalnav-dropdown")},onMenu:function(show){this._menuOpen=show,this._displayButton(),show||this._removeDropDown()},_addDropDown:function(){if(this.container&&!this._dropdown){var dd=this._dropdown=this.container.cloneNode(!0);this.button.parentNode.appendChild(dd)}},_removeDropDown:function(){var dd=this._dropdown;dd&&(dd.parentNode.removeChild(dd),this._dropdown=null)},_removeButton:function(){this.button&&addClass(this.button,"cbc-globalnav-hidden")}}),NavElement.prototype._selected=!1,NavElement.prototype.isSelected=function(){return this._selected},NavElement.prototype.click=function(e){var b=this.button,t=e.target;this._selected?this.container.contains(t)&&"A"===t.tagName.toUpperCase()||this.display(!1):(b===t||b.contains(t))&&(this.display(!this._selected),e.preventDefault&&e.preventDefault())},NavElement.prototype.display=function(show){var _this=this,e=_this.container,b=_this.button;show?(removeClass(e,"cbc-globalnav-hidden"),e.removeAttribute("hidden"),e.setAttribute("aria-hidden","false"),b.setAttribute("aria-pressed","true"),_this._selected=!0,_this.focus&&"function"==typeof _this.focus.focus&&_this.focus.focus()):(addClass(e,"cbc-globalnav-hidden"),e.setAttribute("hidden","hidden"),e.setAttribute("aria-hidden","true"),b.setAttribute("aria-pressed","false"),_this._selected=!1)},NavElement.prototype.escape=function(){this._selected&&(this.display(!1),this.button.focus())},NavElement.prototype.onMenu=function(){this.display(!1)},extend(DropDown,NavElement,{_menu:null,display:function(show){return this._isVertical()?void(show?(this._setupSubMenus(),this.button.setAttribute("aria-pressed","true"),this._selected=!0):(this._resetSubMenus(),this.button.setAttribute("aria-pressed","false"),this._selected=!1)):void this.constructor.superclass.display.call(this,show)},_isVertical:function(){return this._menu?!0:document.querySelector(".cbc-globalnav-menu[aria-pressed=true]")?!0:!1},_setupSubMenus:function(){var ul=this.container.querySelector("ul");ul&&(this._menu=ul=ul.cloneNode(!0),this.button.parentNode.appendChild(ul))},_resetSubMenus:function(){var m=this._menu;m&&(m.parentNode.removeChild(m),this._menu=null)}}),extend(Search,NavElement,{click:function(e){var t=e.target;(!this._selected||this.form!=t&&!this.form.contains(t))&&this.constructor.superclass.click.call(this,e)}}),extend(Menu,NavElement,{click:function(e){var i,t=e.target,uls=this._uls;if(this._selected&&this._uls)for(i=uls.length;i--;)if(uls[i].contains(t))return;this.constructor.superclass.click.call(this,e)},display:function(show){this.button.innerHTML=show?"CLOSE":"MENU",this.notifyNavElements(show),this.constructor.superclass.display.call(this,show)},notifyNavElements:function(show){for(var dd=this.dropdowns,i=dd.length;i--;)dd[i].onMenu(show)},escape:function(){if(this.dropdowns)for(var i=this.dropdowns.length;i--;)if(this.dropdowns[i].isSelected())return;this.constructor.superclass.escape.call(this)}}),GlobalNavController.prototype.createDropDown=function(button,container,nextFocus){return new DropDown(button,container,nextFocus)},GlobalNavController.prototype.createSearch=function(search){var button=search.querySelector("button"),form=search.querySelector("form"),focus=search.querySelector("input[type=text]"),blur=search.querySelector("input[type=submit]");return new Search(button,form,focus,blur)},GlobalNavController.prototype.onClick=function(e){var _this=this,a=_this.nav,i=a.length;for(e.target||(e.target=e.srcElement);i--;)a[i].click(e)},GlobalNavController.prototype.onKey=function(e){switch(e.keyCode){case 27:for(var a=this.nav,i=a.length;i--;)a[i].escape()}},isdefined(function(){return document.body},function(){new GlobalNavController}),function(){"undefined"==typeof CBC&&(CBC={}),CBC.APP||(CBC.APP={});var app=CBC.APP;app.globalnav={personalize:function(o){o.preventDefault&&o.preventDefault();var init=function(Y){app.personalize=new app.Personalize,app.personalize.init(Y,o.tab?{tab:o.tab}:{}),app.Instances.add("personalize",app.personalize),app.globalnav.personalize=function(o){o.preventDefault&&o.preventDefault(),app.personalize.showMenu({},o.tab?{tab:o.tab}:{})}};try{YUI(_CBC_LOADER).use("cbc_personalize",init)}catch(e){}}}}(),isdefined(function(){return document.getElementById("content")||void 0},function(err){if(!err){var e,li,a;e=document.querySelector("#accessibilitylinks ul"),e&&!document.getElementById("skipnav")&&(document.getElementById("content").tabIndex=0,a=document.createElement("a"),a.href="#content",a.id="skipnav",a.onclick=function(){document.getElementById("content").focus()},a.textContent="Skip to main content",li=document.createElement("li"),li.appendChild(a),e.insertBefore(li,e.firstChild))}})}({},function(){return this}());
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7 Ages of Rock

7 Ages of Rock

This definitive landmark series charts the emergence and re-emergence of rock music as a global force, told through the musicians who have shaped this most enduring of genres.

This program belongs to the following categories:

  • Documentary

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