var m=1;
var n=Math.floor(Math.random()*m+1);
switch(n)
{
case 1:
document.writeln("<a href=\"www.yihaodian.com\" target=\"_blank\" onclick=\"'265';\"><img src=\"http:\/\/www.114la.com\/static\/images\/banner\/1115yzd.jpg\"  border=\"0\" ><\/a>");
break;
}