var m=1;
var n=Math.floor(Math.random()*m+1);
switch(n)
{
case 1:
document.writeln("<a href=\"http:\/\/www.zhitui.com\/iclk\/?zoneid=111&uid=1005\" target=\"_blank\" onclick=\"'287';\"><img src=\"http:\/\/www.46.com\/1\/taobao\/images\/3-1.gif\"  border=\"0\"  width=\"165\" height=\"62\"><\/a>");
break;
}