r = 2;//随机数的范围
var seed = Math.random();
rnd = Math.ceil(seed * r); //这行产生随机数

switch (rnd) {

case 1:
//document.write('<script>var dipan_pid = "20027060";var dipan_aid = "1007";var dipan_cz = "sz1001_net";var dipan_w = "25";var dipan_c_id = "89";</script><script src="http://cp1.blcx.com/cpm2009/7060/70600003.js"></script>');
document.write("<script language='javascript' src='http://u193035.778669.com/fshow.php?id=61589'></script>");
break;

case 2:
document.write("<script language='JavaScript1.1' src='/show/nn1.js'></script>");
break;

} 

//document.write("<script language='JavaScript1.1' src='http://www.sz1001.net/Down_Style/766_sz1001.js'></script>");

//<script>var dipan_pid = '20007060';var dipan_aid = '1007';var dipan_cz = 'sz1001_net';var dipan_w = 5;var dipan_c_id = 38;</script><script src='  http://cp1.blcx.com/cpm2009/dipanf0527.js'></script>

document.write("<script src='http://s12.cnzz.com/stat.php?id=1921&web_id=30958' language='JavaScript' charset='gb2312'></script>");