theTexts = new Array()
theTexts[0] = "<a HREF=http://www.whylaw.com/ target=_blank><img src=http://www.whylaw.com/linkfriend/whylaw6.gif height=60 width=468 border=0 alt='南京卫龙律师　广告1'>";
theTexts[1] = "<a HREF=http://www.njlawyer.cn/ target=_blank><img src=http://www.njlawyer.cn/linkfriend/njlawyer3.gif height=60 width=468 border=0 alt='南京卫龙律师　广告2'>";
theTexts[2] = "<a HREF=http://www.whylaw.com/ target=_blank><img src=http://www.whylaw.com/linkfriend/whylaw8.gif height=50 width=373 border=0 alt='南京卫龙律师　广告3'>";
theTexts[3] = "<a HREF=http://www.whylaw.com/online/mylawyer.htm target=_blank><img src=http://www.whylaw.com/online/mylawyer.gif height=60 width=468 border=0 alt='南京卫龙律师　广告4'>";
theTexts[4] = "<a HREF=http://www.whylaw.com/ target=_blank><img src=http://www.whylaw.com/online/mylawyer.gif height=60 width=468 border=0 alt='南京卫龙律师　广告5'>";
theTexts[5] = "<a HREF=http://www.whylaw.com/ target=_blank><img src=http://www.whylaw.com/linkfriend/whylaw4.gif height=60 width=468 border=0 alt='南京卫龙律师　广告6'>";

var rand = Math.round(Math.random()*5);
while (rand >5) {
   rand = Math.round(Math.random()*5);
}
document.write(theTexts[rand]);