function galleryPopUp(baseUrl, i, type) {
  var sUrl = baseUrl + "/service/GalleryPopUp.aspx?id=" + i + "&type=" + type;
  var agt = navigator.userAgent.toLowerCase();
  var is_mac = (agt.indexOf("mac")!=-1);
  var is_safari = (agt.indexOf("safari")!=-1);

  if (is_safari) {
    window.open(sUrl, "PopupWindow", "toolbar=no,resizable=no,scrollbars=no,width=500,height=600,location=no,directories=no,menubar=no");
  } else if (is_mac) {
    window.open(sUrl, "PopupWindow", "toolbar=no,resizable=no,scrollbars=auto,width=500,height=584,location=no,directories=no,menubar=no");
  } else {
    window.open(sUrl, "PopupWindow", "toolbar=no,resizable=no,scrollbars=auto,width=500,height=600,location=no,directories=no,menubar=no");
  }
}