window.networkStatus = {
    dotNetHelper: null,
    initialize: function (dotNetHelper) {
        this.dotNetHelper = dotNetHelper;
        window.addEventListener('online', this.handleStatusChange.bind(this));
        window.addEventListener('offline', this.handleStatusChange.bind(this));
        return navigator.onLine;
    },
    handleStatusChange: function () {
        if (this.dotNetHelper) {
            this.dotNetHelper.invokeMethodAsync('SetOnlineStatus', navigator.onLine);
        }
    },
    isOnline: function () {
        return navigator.onLine;
    },
    dispose: function () {
        window.removeEventListener('online', this.handleStatusChange.bind(this));
        window.removeEventListener('offline', this.handleStatusChange.bind(this));
        this.dotNetHelper = null;
    }
};