$(document).ready(function() {
    if ($.cookie('umfrage') == null) {
        showDialog();
    }

    function showDialog() {
        var pos = [660, 170];
        var width = 300;
        if (self != top) {
            /* displayed in the left navigation frame (*_l.php) */
            //var pos = [6, 400];
            var pos = ['left', 'bottom'];
            var width = 155;
        } else {
            var path = window.location.pathname;
            if (path.search('/ferienwohnung/') > -1) {
                var pos = [500, 178];
            }
        }
        $("#dialog").dialog({
            title: 'Umfrage',
            overlay: {
                backgroundColor: '#000000',
                opacity: 0.5
            },
            buttons: {
                "Ja, ich habe kurz Zeit": function() 
                    { 
                        window.open('https://evaluation-app1.net.ethz.ch/TakeSurvey.aspx?SurveyID=962I9n2');
                        $(this).dialog("close");
                    },
                "Nein": function() 
                    {  
                        $(this).dialog("close");
                    }
            },
            beforeclose: function(event, ui) 
                { 
                    $.cookie('umfrage', 't', { expires: 7, path: '/', domain: 'reisen.ch' }); 
                },
            position:  pos,
            width: width
        });
    }

});