var xmlDoc = new ActiveXObject("Microsoft.XMLDOM")
 xmlDoc.async="false"
 xmlDoc.load("http://www.21805.com/rss.xml")
 
 var nodes=null
 a2="webLog"
 nodes = xmlDoc.selectNodes("/rss/channel/item")//读取节点,筛选节点最低端用item[title='xxx']或者//last
 if(nodes==null)
 li.innerText = "没有发现数据"
else
{
xx=nodes.length
if(nodes.length>15)//控制列表长度
xx=15//控制列表长度
var titletext="";
var titlete="";
for(i=0;i<xx;i++)
{
titlete=nodes[i].selectSingleNode("title").text;
titletext=titlete.length>20?titlete.substring(0,18)+"":titlete;//控制显示字符数
document.write("<a href='" + nodes[i].selectSingleNode("link").text + "' target='_blank' title='"+titlete+"'>" + titletext + "</a><br/>");
}
}