SEO  -  

<script language="JavaScript">
var id=1;
var maxid= ;
loc=new Array(maxid);
loc[1]="http:// 1";
loc[2]="http:// 2";
loc[3]="http:// 3";
loc[4]="http:// 4";

imsrc=new Array(maxid);
imsrc[1]="http:// 1";
imsrc[2]="http:// 2";
imsrc[3]="http:// 3";
imsrc[4]="http:// 4";

function got(){
window.location.href=loc[id];
}
function nextAd(){
if(++id>maxid)id=1;
document.ad.src=imsrc[id];
window.setTimeout('nextAd();', );
}

</script>

<a href="javascript:got();"> <img name="ad" alt=" " src=" " border="0"></a>

- , . SIGMA Logistics