webix UI v.4.3.0 want hide button delay 5sec

Hi there

$.getScript( "../codebase/rd_i18n/"+i18n+".js").done(function( script, textStatus ) {
  //Load the rest - The phrases are in
  $.getScript( "js/webix.js").done(function( script, textStatus ) {
    webix.ready(function(){
      webix.ui.fullScreen();
      webix.ui(
        {
          type: 'line', //We display a toolbat with the caroucell
          rows: [
            
            {
              id  : 'scrnPhoto',
              cols: [{}]
            },
            {
              view: "toolbar", id:"tbMain", elements:[
                {
                  view: "icon", icon: "bars", id : 'btnMainMenu'
                },
                {},
                {  view:"button",  width: 180, value:i18n('sConnect'), align:"right", type: 'form', id: 'btnMainConnect' }
                
              ]
            }
          ]
        }
      );
      var d = rdDynamic({});
      window.rdDynamic = d;
      d.init();
    });
  });
});

thanks in advance for your help