var COMMENT_TYPE = {
    PICTURE: 0,
    BLOG: 1
}

var adManager = {
    openAd: function(adID, adUrl) {
        PublicService.addAdvertisementClick(adID, adManager.addAdvertisementClickResponse, adManager.addAdvertisementClickResponseError);
        window.open(adUrl);
    },

    addAdvertisementClickResponse: function(response) {
        //do nothing
    },

    addAdvertisementClickResponseError: function(error) {
        //do nothing
    }
}

function importXML(xmlString) {
    xmlString = '<?xml version="1.0" encoding="UTF-8"?>' + xmlString;

    try //Internet Explorer
    {
        xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
        xmlDoc.async = "false";
        xmlDoc.loadXML(xmlString);
    }
    catch (e) {
        try //Firefox, Mozilla, Opera, etc.
        {
            parser = new DOMParser();
            xmlDoc = parser.parseFromString(xmlString, "text/xml");
        }
        catch (e) {
            alert(e.message);
            return;
        }
    }

    return xmlDoc;
}