var m=1;
var n=Math.floor(Math.random()*m+1);
switch(n)
{
case 1:
document.writeln("<script type=\"text\/javascript\"><!--");
document.writeln("google_ad_client = \"pub-6106885890952048\";");
document.writeln("\/* 468x60, 创建于 10-3-24 yo54 up *\/");
document.writeln("google_ad_slot = \"3064244775\";");
document.writeln("google_ad_width = 468;");
document.writeln("google_ad_height = 60;");
document.writeln("\/\/-->");
document.writeln("<\/script>");
document.writeln("<script type=\"text\/javascript\"");
document.writeln("src=\"http:\/\/pagead2.googlesyndication.com\/pagead\/show_ads.js\">");
document.writeln("<\/script>");
break;
}