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-7614395634756744\";");
document.writeln("\/* 468x60_图片 created 5\/31\/10 *\/");
document.writeln("google_ad_slot = \"1011385421\";");
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>");
document.writeln("");
break;
}