var CookiesEnabled = false;
var cp = new Ext.state.CookieProvider({
   expires: new Date(new Date().getTime()+(1000*60*60*24*30)) //30 days
});
Ext.state.Manager.setProvider(cp);

function tracker() {
  var steps = Ext.state.Manager.get('path');
  var loc = document.location.href;
  if(!steps)
    steps = [ loc, loc ];
  else if(steps[1] != loc) {
    steps[0] = steps[1];
    steps[1] = loc;
  }
  Ext.state.Manager.set('path', steps);
  CookiesEnabled = (document.cookie.indexOf("ys-path")!=-1)? true : false;
}

Ext.onReady(tracker);