var backto_widget = function (widget_id, analytics) {
    var analytics1 = ToolbarAnalytics.getAnalytics(widget_id);
    jQuery(document).ready(function () {
        $("#" + widget_id).click(function () {
            if (typeof(parameters['web']) != 'undefined' && parameters['url'] != 'undefined') {
                analytics.custom("click", {
                    '0': 'webimpression',
                    '1': Toolbar.getHash(),
                    '2': parameters['url'].replace(/\//g, ':'),
                    '3': parameters['web'],
                    '4': 'backto'
                });
            } else if (parameters['controller'] == 'sharedlinks' || parameters['controller'] == 'links') {
                analytics.custom("click", {
                    '0': 'webimpression',
                    '1': Toolbar.getHash(),
                    '2': parameters['url'].replace(/\//g, ':'),
                    '3': 'backto'
                });
            }
            history.go(-1);
        });
    });
};