var cuantosbanners = 16;
var ahora = new Date()
var segundos = ahora.getSeconds()
var banner = segundos % cuantosbanners;
banner +=1;

if (banner==1) {
texto="";
url="http://ad.zanox.com/ppc/?3033476C188737561T";
alt="Zanox: Bosques. Financiación.";
imagen="http://ad.zanox.com/ppv/?3033476C188737561";
width="728";
height="90";
}
if (banner==2) {
texto="";
url="http://clk.tradedoubler.com/click?p=4326&a=287784&g=871558&url=http://landingstrip.dell.com/landingstripemea/ls.asp?CID=6500&LID=167780&DGC=AF&DGStor=DHS&DGSite=^^&DURL=http%253A//www1.euro.dell.com/content/default.aspx%253Fc%253Des%2526l%253Des%2526s%253Dgen";
alt="Dell-El Agricultor";
imagen="http://www.elagricultor.com/anuncios/imagenes/Anuncio-DELL.gif";
width="730";
height="90";
}
if (banner==3) {
texto="";
url="http://clk.tradedoubler.com/click?p=4326&a=287784&g=871558&url=http://landingstrip.dell.com/landingstripemea/ls.asp?CID=6500&LID=167780&DGC=AF&DGStor=DHS&DGSite=^^&DURL=http%253A//www1.euro.dell.com/content/default.aspx%253Fc%253Des%2526l%253Des%2526s%253Dgen";
alt="Dell-El Agricultor";
imagen="http://www.elagricultor.com/anuncios/imagenes/Anuncio-DELL.gif";
width="730";
height="90";
}
if (banner==4) {
texto="";
url="http://ad.zanox.com/ppc/?2865719C753300133T";
alt="Zanox. Direct Seguros";
imagen="http://ad.zanox.com/ppv/?2865719C753300133";
width="468";
height="60";
}
if (banner==5) {
texto="";
url="http://clk.tradedoubler.com/click?p=4326&a=287784&g=29027";
alt="Tradedoubler DELL";
imagen="http://impes.tradedoubler.com/imp/img/29027/287784";
width="470";
height="100";
}
if (banner==6) {
texto="";
url="http://ad.zanox.com/ppc/?3033476C188737561T";
alt="Zanox: Bosques. Financiación.";
imagen="http://ad.zanox.com/ppv/?3033476C188737561";
width="728";
height="90";
}
if (banner==7) {
texto="";
url="http://ad.zanox.com/ppc/?3033476C188737561T";
alt="Zanox: Bosques. Financiación.";
imagen="http://ad.zanox.com/ppv/?3033476C188737561";
width="728";
height="90";
}
if (banner==8) {
texto="";
url="http://clk.tradedoubler.com/click?p=4326&a=287784&g=871558&url=http://landingstrip.dell.com/landingstripemea/ls.asp?CID=6500&LID=167780&DGC=AF&DGStor=DHS&DGSite=^^&DURL=http%253A//www1.euro.dell.com/content/default.aspx%253Fc%253Des%2526l%253Des%2526s%253Dgen";
alt="Dell-El Agricultor";
imagen="http://www.elagricultor.com/anuncios/imagenes/Anuncio-DELL.gif";
width="730";
height="90";
}
if (banner==9) {
texto="";
url="http://clk.tradedoubler.com/click?p=4326&a=287784&g=871558&url=http://landingstrip.dell.com/landingstripemea/ls.asp?CID=6500&LID=167780&DGC=AF&DGStor=DHS&DGSite=^^&DURL=http%253A//www1.euro.dell.com/content/default.aspx%253Fc%253Des%2526l%253Des%2526s%253Dgen";
alt="Dell-El Agricultor";
imagen="http://www.elagricultor.com/anuncios/imagenes/Anuncio-DELL.gif";
width="730";
height="90";
}
if (banner==10) {
texto="";
url="http://clk.tradedoubler.com/click?p=15407&a=287784&g=90753";
alt="E-Dreams Tradedoubler";
imagen="http://impes.tradedoubler.com/imp/img/90753/287784";
width="468";
height="60";
}
if (banner==11) {
texto="";
url="http://clk.tradedoubler.com/click?p=4326&a=287784&g=871558&url=http://landingstrip.dell.com/landingstripemea/ls.asp?CID=6500&LID=167780&DGC=AF&DGStor=DHS&DGSite=^^&DURL=http%253A//www1.euro.dell.com/content/default.aspx%253Fc%253Des%2526l%253Des%2526s%253Dgen";
alt="Dell-El Agricultor";
imagen="http://www.elagricultor.com/anuncios/imagenes/Anuncio-DELL.gif";
width="730";
height="90";
}
if (banner==12) {
texto="";
url="http://clk.tradedoubler.com/click?p=15407&a=287784&g=90753";
alt="E-Dreams Tradedoubler";
imagen="http://impes.tradedoubler.com/imp/img/90753/287784";
width="468";
height="60";
}
if (banner==13) {
texto="";
url="http://clk.tradedoubler.com/click?p=15407&a=287784&g=90753";
alt="E-Dreams Tradedoubler";
imagen="http://impes.tradedoubler.com/imp/img/90753/287784";
width="468";
height="60";
}
if (banner==14) {
texto="";
url="http://clk.tradedoubler.com/click?p=15407&a=287784&g=90753";
alt="E-Dreams Tradedoubler";
imagen="http://impes.tradedoubler.com/imp/img/90753/287784";
width="468";
height="60";
}
if (banner==15) {
texto="";
url="http://clk.tradedoubler.com/click?p=15407&a=287784&g=90753";
alt="E-Dreams Tradedoubler";
imagen="http://impes.tradedoubler.com/imp/img/90753/287784";
width="468";
height="60";
}
if (banner==16) {
texto="";
url="http://ad.zanox.com/ppc/?3033476C188737561T";
alt="Zanox: Bosques. Financiación.";
imagen="http://ad.zanox.com/ppv/?3033476C188737561";
width="728";
height="90";
}
document.write('<center>');
document.write('<a href=\"' + url + '\" target=\"_blank\">');
document.write('<img src=\"' + imagen + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('alt=\"' + alt + '\" border=0><br>');
document.write('<small>' + texto + '</small></a>');
document.write('</center>');