var m=1;
var n=Math.floor(Math.random()*m+1);
switch(n)
{
case 1:
document.writeln("<!-- 广告位：站长导航 -->");
document.writeln("<script type=\"text\/javascript\" >BAIDU_CLB_SLOT_ID = \"167334\";<\/script>");
document.writeln("<script type=\"text\/javascript\" src=\"http:\/\/cbjs.baidu.com\/js\/o.js\"><\/script>");
break;
}