function emailsubscribe() {
    if (document.getElementById("emailBox").value=='') {
        alert("邮箱不能为空!");
    }
    else if (document.getElementById("emailBox").value=='请输入E-mail地址') {
        alert("请输入E-mail地址!");
    }
    else if (jQ("#echck1").attr('checked') !== true && jQ("#echck2").attr('checked') !== true) {
        alert("请选择订阅的项目!");
    }
    else {
        try {
            var tempemailidobj = "";
            if (jQ("#echck1").attr('checked') == true && jQ("#echck2").attr('checked') !== true) {
                tempemailidobj = "|4|0";
            }
            else if (jQ("#echck1").attr('checked') !== true && jQ("#echck2").attr('checked') == true) {
                tempemailidobj = "|0|5";

            }
            else if (jQ("#echck1").attr('checked') == true && jQ("#echck2").attr('checked') == true) {
                tempemailidobj = "|4|5";
            }
            else {
                alert("请选择订阅的项目!");
            }

            jQ.ajax(
               {
                   type: "GET",
                   url: "/EmailSubscribe/Subscribe.aspx",
                   data: "E=" + (jQ.trim(jQ("#emailBox").val())) + tempemailidobj,
                   dataType: "text",
                   success:
                function(msg) {
                    alert(msg);
                }
               }
            )
        }
        catch (e) { }
    }
}