var but_dingyue;
var cid;
var sid;
var cn;
var sn;
var dingyueRequest;

function body_onload(){
    but_dingyue = document.getElementById("but_dingyue");
    cid = document.getElementById("hd_cid").value;
    sid = document.getElementById("hd_sid").value;
    cn = document.getElementById("hd_cn").value;
    sn = document.getElementById("hd_sn").value;
}

function but_dingyue_onclick(){
    if(document.getElementById("hd_lg").value == 1){
        if( window.confirm("您是否确定要订阅资讯[ " + cn + " > " + sn + "] 到您的注册邮箱？")){
            var url = "zhiliao_content.aspx?action=dydx&cid=" + cid + "&sid=" + sid;
            dingyueRequest = new XMLHttpRequester();
            dingyueRequest = new XMLHttpRequester();
            dingyueRequest.setOnloadedEvent(dingyue_callback);
            dingyueRequest.open(XMLHttpRequester.RequestMethod.POST,url,true);
            dingyueRequest.send(null);
        }
    }
    else{
        alert("请您先登录");
    }
}

function dingyue_callback(){
    var result = dingyueRequest.getResponseText();
    if(result == 1){
        alert("订阅成功！我们每天会定时发送您订阅的更新资讯到您的注册邮箱，请注意查收。");
    }else if(result == 0){
        alert("您已订阅了该类资讯。");
    }else{
        alert("订阅失败！");
    }
}