国内首发 -- ajax完整功能框架

    }
    }
    return nodeV;
}
//记录集总数
function num(b){
    try{
        var titleNode = b.selectNodes("//rss/channel/title");
        var a = b.getElementsByTagName("item").length
        titleV = trydata(titleNode(0));
        getId("listnum").innerHTML = "共有"+a+"篇文章　来源于："+titleV;
        setlist(a,b);
    }catch(e){}
}
if (top.location != self.location)top.location=self.location;

//节目列表显示
//定义接收指向各个元素的节点信息的变量
var titleNode,linkNode,categoryNameNode,authorNode,pubDateNode,descriptionNode
//定义接收元素值的变量
var titleV,linkV,categoryNameV,authorV,pubDateV,descriptionV
//分类聚合
function setlist(a,b)
{
    var prograNode = b.getElementsByTagName("item");
    var adminlinkNode = b.selectNodes("//rss/channel/link");
    var titleNode = b.selectNodes("//rss/channel/item/title");
    var linkNode = b.selectNodes("//rss/channel/item/link");
    var categoryNode = b.selectNodes("//rss/channel/item/category");
    var authorNode = b.selectNodes("//rss/channel/item/author");
    var pubDateNode = b.selectNodes("//rss/channel/item/pubDate");
    var descriptionNode = b.selectNodes("//rss/channel/item/description");
    var category2sNode = b.selectNodes("//rss/channel/item/dc:subject");
    var author2sNode = b.selectNodes("//rss/channel/item/dc:creator");
    var pubDate2sNode = b.selectNodes("//rss/channel/item/dc:date");
    var listchar=""
//使用for循环，产生列表信息
    for (i=0; i<a; i++)
    {
        titleV = trydata(titleNode(i))
        linkV = trydata(linkNode(i))
        categoryV = trydata(categoryNode(i),category2sNode(i))
        authorV = trydata(authorNode(i),author2sNode(i))
        pubDateV = trydata(pubDateNode(i),pubDate2sNode(i))
        descriptionV = trydata(descriptionNode(i))
        adminlinkV = trydata(adminlinkNode(0))
        //将得到的元素值装载到产生表格的字符串中
        listchar += "<h5><a href=''"+linkV+"'' target=''_blank''>"+titleV+"</a></h5><span>发表时间："+pubDateV+"</span><div class=''article''>"+descriptionV+"</div><div class=''bottom''>