function bannerOnClientItemShownHandler(sender, args) {

    var item = sender.get_currentItem();
    var itemId = $('#' + sender.get_id() + '_i' + item.get_index() + '_BannerItemId').val();
    var paramList = '{"bannerItemId":"' + itemId + '"}';
    
    $.ajax({
        type: "POST",
        url: "/BannerTracker.asmx/RegisterImpression",
        contentType: "application/json; charset=utf-8",
        data: paramList,
        dataType: "json",
        success: function (msg) { },
        error: function (XMLHttpRequest, textStatus, errorThrown) { }
    });

};


function bannerOnClientItemClickingHandler(sender, args) {

    var item = sender.get_currentItem();
    var itemId = $('#' + sender.get_id() + '_i' + item.get_index() + '_BannerItemId').val();
    var paramList = '{"bannerItemId":"' + itemId + '"}';
    
    $.ajax({
        type: "POST",
        url: "/BannerTracker.asmx/RegisterClick",
        contentType: "application/json; charset=utf-8",
        data: paramList,
        dataType: "json",
        success: function (msg) { },
        error: function (XMLHttpRequest, textStatus, errorThrown) { }
    });

};