self.activate_poll = function() {
        data = {
            'end_date': self.endDate().getFullYear() + "-" + (self.endDate().getMonth()+1) + "-" + self.endDate().getDate() + END_TIME
        };
        $.blockUI({ message: '<h1><img src="/media/images/ajax-loader.gif"/><span class="loading">' + gettext("Just a moment") + '...</span></h1>', css: { width: '275px'}});