var m=1;
var n=Math.floor(Math.random()*m+1);
switch(n)
{
case 1:
document.writeln("<a href=\"http:\/\/s.click.taobao.com\/t_9?p=mm_10200392_2439601_9639070&l=http%3A%2F%2Fmall.taobao.com%2F&eventid=101766\"><img src=\"http:\/\/cb.alimama.cn\/tbkunion\/images\/mall\/images\/468x60.gif\" width=\"468px\" height=\"60px\" border=\"0\" ><\/a>");
break;
}