function Cd(){this.Init()}v("AdfIE8NavigationHistoryAgent",Cd);z.l(Cd,ed);Cd.prototype.Zd=function(a){Cd.f.Zd.call(this,a);this.Us().body.onhashchange=Cd.tk};z.a("AdfIE8NavigationHistoryAgent.prototype.StartTrackingUriImpl",{Zd:Cd.prototype.Zd});Cd.prototype.Bb=function(){this.Us().body.onhashchange=n};z.a("AdfIE8NavigationHistoryAgent.prototype.dispose",{Bb:Cd.prototype.Bb});Cd.tk=function(){ed.O().so()};