try{
s_Q("r36a9c");
var s_GTa=s_S("r36a9c");
var s_HTa=function(a){return null!=a&&0<a.getBoundingClientRect().width&&0<a.getBoundingClientRect().height?(a=window.getComputedStyle(a,null),"none"!==a.display&&"hidden"!==a.visibility&&"auto"===a.clip):!1},s_ITa=function(a){s_h.call(this,a.Pa)};s_k(s_ITa,s_h);s_ITa.Ka=s_h.Ka;
s_ITa.prototype.$ub=function(){var a=this.Ia("BKxS1e").el();s_f(a);a=s_Wi(this.XE().documentElement).find('[role="heading"], h1, h2, h3').filter(s_HTa).Ng();if(!s_yf(a.el())){if(null==s_Ti(a,"aria-label")&&null==s_Ti(a,"aria-describedby")){var b=s_Ri(a);if(s_HTa(b.el())&&"A"==b.el().tagName){b.focus();return}b=a.children().filter(s_HTa);if(1==b.size()&&"A"==b.Ng().el().tagName){b.Ng().focus();return}}a.el().tabIndex="-1";a.el().onblur=function(c){c.target.removeAttribute("tabIndex")}}a.focus()};
s_Y(s_ITa.prototype,"i3viod",function(){return this.$ub});s_Z(s_GTa,s_ITa);

s_g().$();

}catch(e){_DumpException(e)}
// Google Inc.
