javastr="";
javastr=javastr+"";
<!-- Begin
var how_many_ads = 2;				//显示广告条的数目
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {						//第一条广告条代码/
url="http://www.chinalawedu.com/classroom/";
banner="http://www.chinalawedu.com/images/banner/2008skfs.gif";
width="468";
height="60";
}
if (ad==2) {						//第二条广告条代码/
url="http://www.chinalawedu.com/classroom/";
banner="http://www.chinalawedu.com/images/banner/2008skfs.gif";
//url="http://www.chinalawedu.com/zixun/index.asp";
//banner="http://www.chinalawedu.com/images/banner/banner_zx.gif";
width="468";
height="60";
}
document.write('<a href=\"' + url + '\" target=\"_blank\">');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('border=0></a>');
// End -->
document.write(javastr);