function Rnumber() {
today = new Date();
var bigNumber = today.getSeconds() * today.getTime() *
Math.sqrt(today.getMinutes());
var randomNum = (bigNumber % 12) + 1;
return Math.floor(randomNum);
}


var numg = Rnumber();
var adurl = 'http://www.spraci.com/adv/ad' + numg + '.htm';
var gifurl = 'http://www.spraci.com/adv/ad' + numg + '.gif';

if (numg == 1) { 
gifurl = "http://www.spraci.com/cgi-bin/ad.cgi?adg=spraci&num=122&area=&";
adurl = "http://www.spraci.com/cgi-bin/ad.cgi?xzx&num=122&area=&";
}
if (numg == 8) { 
gifurl = "http://www.spraci.com/cgi-bin/ad.cgi?adg=spraci&num=122&area=&";
adurl = "http://www.spraci.com/cgi-bin/ad.cgi?xzx&num=122&area=&";
}
if (numg == 9) { 
gifurl = "http://www.spraci.com/cgi-bin/ad.cgi?adg=spraci&num=122&area=&";
adurl = "http://www.spraci.com/cgi-bin/ad.cgi?xzx&num=122&area=&";
}
if (numg == 10) { 
gifurl = "http://www.spraci.com/cgi-bin/ad.cgi?adg=spraci&num=122&area=&";
adurl = "http://www.spraci.com/cgi-bin/ad.cgi?xzx&num=122&area=&";
}
if (numg == 11) { 
gifurl = "http://www.spraci.com/cgi-bin/ad.cgi?adg=spraci&num=123&area=&";
adurl = "http://www.spraci.com/cgi-bin/ad.cgi?xzx&num=122&area=&";
}
if (numg == 12) { 
gifurl = "http://www.spraci.com/cgi-bin/ad.cgi?adg=spraci&num=123&area=&";
adurl = "http://www.spraci.com/cgi-bin/ad.cgi?xzx&num=122&area=&";
}
if (numg == 4) { 
gifurl = "http://www.spraci.com/cgi-bin/ad.cgi?adg=spraci&num=124&area=&";
adurl = "http://www.spraci.com/cgi-bin/ad.cgi?xzx&num=122&area=&";
}
if (numg == 2) { 
gifurl = "http://www.spraci.com/cgi-bin/ad.cgi?adg=spraci&num=124&area=&";
adurl = "http://www.spraci.com/cgi-bin/ad.cgi?xzx&num=122&area=&";
}
if (numg == 3) { 
gifurl = "http://www.qksrv.net/click-235261-166055";
adurl = "http://www.qksrv.net/click-235261-166055";
}
if (numg == 4) { 
gifurl = "http://www.qksrv.net/click-235261-166055";
adurl = "http://www.qksrv.net/click-235261-166055";
}
if (numg == 6) { 
gifurl = "http://www.qksrv.net/click-235261-166055";
adurl = "http://www.qksrv.net/click-235261-166055";
}
if (numg == 7) { 
gifurl = "http://www.spraci.com/bx/advert.cgi?adg=spraci&num=218";
adurl = "http://www.spraci.com/bx/advert.cgi?xzx&num=218";
}
if (numg == 11) { 
gifurl = "http://www.qksrv.net/click-235261-166055";
adurl = "http://www.qksrv.net/click-235261-166055";
}

document.writeln('<A HREF="' + adurl + '\" TARGET=_blank><IMG SRC=\"' + gifurl + '\" BORDER=0 HEIGHT=60 WIDTH=468 ALIGN=BOTTOM ALT="Support Our Advertisers"></A>')