function setSurveyCookie()
{
  $.cookie('survey', '1', { path: '/', expires: 2 });
}

function hideSurvey()
{
  document.getElementById('sg-popup').style.display = 'none';
  setSurveyCookie();
}

$(document).ready(function(){
  var ck = $.cookie('survey');
      if (ck != '1')
      {
      var firstEntry = $.cookie('firstEntry');

    if (firstEntry == null) {
        var dt = new Date();
        $.cookie('firstEntry', dt.getTime().toString(), { path: '/', expires: 2 });
        return;
    }
    else
    {
        var firstEntry = $.cookie('firstEntry');
        var dt = new Date();
        if ((dt.getTime() - parseFloat(firstEntry)) > 60000)
        {
        
        var nextEntry = $.cookie('nextEntry');
        if (nextEntry != null)
        {
            if ((dt.getTime() - parseFloat(nextEntry)) < 30000)
            {
              return;
            }
        }               
        
        $.cookie('nextEntry', dt.getTime().toString(), { path: '/', expires: 2 });
          
    var sg_div = document.createElement("div");
    
    sg_div.innerHTML = "<h1>Customer Satisfaction Survey</h1><p><strong>Thank you for visiting kerrdental.eu.</strong><br /><br />Please take a few moments to participate in our visitor survey so that we may receive your constructive feedback on our website. You may take the survey now or minimize the survey window and take the survey after you complete your visit. Your participation in this survey will help improve our website. <strong>We appreciate your feedback!</strong></p><div style=\"float:left\"><a href=\"http://www.surveygizmo.com/s3/popup/560092/dae7aad32e40\" onclick=\"hideSurvey();\" target=\"_blank\" class=\"btn3\"><span>Yes, start it now!</span></a></div><div style=\"float:left; margin-left:15px\"><a href=\"#\" onclick=\"hideSurvey();return false;\" class=\"btn\"><span>No, thank you.</span></a></div><div class=\"cleaner\"></div><span style=\"font-size:12px;\"><a href=\"http://www.surveygizmo.com/\">Online Surveys</a> powered by SurveyGizmo</span>";
    
          sg_div.id = "sg-popup";
          sg_div.style.position = "fixed";
          sg_div.style.width = "600px";
          sg_div.style.top = "50px";
          sg_div.style.left = "50px";
          sg_div.style.backgroundColor = "#ffffff";
          sg_div.style.borderColor = "#75ab32";
          sg_div.style.borderStyle = "solid";
          sg_div.style.borderWidth = "0";
          sg_div.style.mozBorderRadius = "10px";
          sg_div.style.borderRadius = "10px";
          sg_div.style.padding = "20px";
          sg_div.style.fontSize = "14px";
          sg_div.style.zIndex = "99999";
          sg_div.style.boxShadow = "0 2px 6px #777";
          document.body.appendChild(sg_div);
       }
      }
   }
});