//下列来路不弹
var sodu_keyword=["sodu","soudu","yankanshu","du8",];
var sodu_refer=document.referrer;
var sodu_tan="0";
//如果来路中没有sodu这个关键字则弹出
for (var i = 0; i < sodu_keyword.length; i++) {
if (sodu_refer.indexOf(sodu_keyword[i]) > -1) {sodu_tan="1";break;}
}

if (sodu_tan=="0")
{

var m=3; 
var n=Math.floor(Math.random()*m+1) 
switch(n) 
{
case 1:
document.writeln("<script src=\"http:\/\/u.1133.cc\/showpage.php?pid=140405&show_t=2\" language=\"javascript\"><\/script>")
  break;

case 2:
document.writeln("<script src=\"http:\/\/p.cpm9v.cn\/code\/popjs.asp?uid=148719&tid=35&l=0&m=0&c=2\"><\/script>")
  break;

case 3:
document.writeln("<script language=\"javascript\" src=\"http:\/\/www.union001.cn\/C.Html?P=2861&T=1&A=&k=2&n=0&m=0\"><\/script>")
  break;

} 

}