var today    = new Date();
var nSeconds = today.getSeconds();
nSeconds = 0 + nSeconds;

if     (nSeconds>00&&nSeconds<=10)
	document.write('<iframe marginheight =0 marginwidth =0  src="http://www.haol23.cn/js/taobao.htm" scrolling="no"  frameborder="0" width=468 height=60></iframe>');
else if(nSeconds>10&&nSeconds<=20)
	document.write('<iframe marginheight =0 marginwidth =0  src="http://www.haol23.cn/js/taobao.htm" scrolling="no"  frameborder="0" width=468 height=60></iframe>');
else if(nSeconds>20&&nSeconds<=30)
	document.write('<iframe marginheight =0 marginwidth =0  src="http://www.haol23.cn/js/taobao.htm" scrolling="no"  frameborder="0" width=468 height=60></iframe>');
else if(nSeconds>30&&nSeconds<=40)
	document.write('<iframe marginheight =0 marginwidth =0  src="http://www.haol23.cn/js/taobao.htm" scrolling="no"  frameborder="0" width=468 height=60></iframe>');
else if(nSeconds>40&&nSeconds<=50)
	document.write('<iframe marginheight =0 marginwidth =0  src="http://www.haol23.cn/js/taobao.htm" scrolling="no"  frameborder="0" width=468 height=60></iframe>');
else if(nSeconds>50&&nSeconds<=60)
	document.write('<iframe marginheight =0 marginwidth =0  src="http://www.haol23.cn/js/taobao.htm" scrolling="no"  frameborder="0" width=468 height=60></iframe>');