//有上一頁才進來執行
if (window.parent.document.referrer != "") {
    try {
        var ezseo_url = "http://www.eztrust.tw/inner/seo/ezseo.aspx";
        document.getElementById("ezseo").innerHTML = "<iframe width=\"0\" height=\"0\" frameborder =\"0\" src=\"" + ezseo_url + "?REFERER=" + encodeURI(window.parent.document.referrer) + "\"><\/iframe>";
    }
    catch (err) {
        //Handle errors here
    }    
}
//document.getElementById("ezseo").innerHTML = "<span style='color:white'>" + window.parent.document.referrer + "</span>";