!function(n){function o(i,r){i||(i=this.$pnls.children("."+t.current));var u=n();"default"==r&&(u=i.children("."+t.listview).find("a[href]").not(":hidden"),u.length||(u=i.find(e).not(":hidden")),u.length||(u=this.$menu.children("."+t.navbar).find(e).not(":hidden")));u.length||(u=this.$menu.children("."+t.tabstart));u.first().focus()}function s(n){n||(n=this.$pnls.children("."+t.current));var i=this.$pnls.children("."+t.panel),r=i.not(n);r.find(e).attr("tabindex",-1);n.find(e).attr("tabindex",0);n.find("input.mm-toggle, input.mm-check").attr("tabindex",-1)}var r="mmenu",i="keyboardNavigation",t,h,u,f,e;n[r].addons[i]={setup:function(){var h=this,u=this.opts[i],c,l;this.conf[i];(f=n[r].glbl,"boolean"!=typeof u&&"string"!=typeof u||(u={enable:u}),"object"!=typeof u&&(u={}),u=this.opts[i]=n.extend(!0,{},n[r].defaults[i],u),u.enable)&&(u.enhance&&this.$menu.addClass(t.keyboardfocus),c=n('<input class="'+t.tabstart+'" tabindex="0" type="text" />'),l=n('<input class="'+t.tabend+'" tabindex="0" type="text" />'),this.bind("initPanels",function(){this.$menu.prepend(c).append(l).children("."+t.navbar).find(e).attr("tabindex",0)}),this.bind("open",function(){s.call(this);this.__transitionend(this.$menu,function(){o.call(h,null,u.enable)},this.conf.transitionDuration)}),this.bind("openPanel",function(n){s.call(this,n);this.__transitionend(n,function(){o.call(h,n,u.enable)},this.conf.transitionDuration)}),this["_initWindow_"+i](u.enhance))},add:function(){t=n[r]._c;h=n[r]._d;u=n[r]._e;t.add("tabstart tabend keyboardfocus");u.add("focusin keydown")},clickAnchor:function(){}};n[r].defaults[i]={enable:!1,enhance:!1};n[r].configuration[i]={};n[r].prototype["_initWindow_"+i]=function(r){f.$wndw.off(u.keydown+"-offCanvas");f.$wndw.off(u.focusin+"-"+i).on(u.focusin+"-"+i,function(i){if(f.$html.hasClass(t.opened)){var r=n(i.target);r.is("."+t.tabend)&&r.parent().find("."+t.tabstart).focus()}});f.$wndw.off(u.keydown+"-"+i).on(u.keydown+"-"+i,function(i){var r=n(i.target),f=r.closest("."+t.menu);if(f.length&&(f.data("mmenu"),!r.is("input, textarea")))switch(i.keyCode){case 13:(r.is(".mm-toggle")||r.is(".mm-check"))&&r.trigger(u.click);break;case 32:case 37:case 38:case 39:case 40:i.preventDefault()}});r&&f.$wndw.on(u.keydown+"-"+i,function(i){var r=n(i.target),f=r.closest("."+t.menu),e,u;if(f.length)if(e=f.data("mmenu"),r.is("input, textarea"))switch(i.keyCode){case 27:r.val("")}else switch(i.keyCode){case 8:u=r.closest("."+t.panel).data(h.parent);u&&u.length&&e.openPanel(u.closest("."+t.panel));break;case 27:f.hasClass(t.offcanvas)&&e.close()}})};e="input, select, textarea, button, label, a[href]"}(jQuery)