<!-- Begin

var how_many_ads = 10;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;

ad +=1;
if (ad==1){
txt="Video arma tu propio computador";
url="http://www.keysca.com/products/vid_arm.html";
alt="";
banner="images/armt_comp.jpg";
width="90";
height="189";}

if (ad==2) {
txt="Video conexión a Internet";
url="http://www.keysca.com/products/vid_con.html";
alt="";
banner="images/con_int.jpg";
width="100";
height="150";
}

if (ad==3) {
txt="Video Navegar en Internet"; 
url="http://www.keysca.com/products/vid_nav.html";
alt="Video Navegar en Internet";
banner="images/nav_int.jpg";
width="100";
height="150";
}

if (ad==4) {
txt="Video Operador Windows";
url="http://www.keysca.com/products/vid_win.html";
alt="";
banner="images/op_win.jpg";
width="100";
height="150";
}

if (ad==5) {
txt="Video Operador Excel";
url="http://www.keysca.com/products/vid_exc.html";
alt="";
banner="images/videx.jpg";
width="100";
height="152";
}


if (ad==6) {
txt="Video Operador Windows";
url="http://www.keysca.com/products/vid_word.html";
alt="";
banner="images/op_word.jpg";
width="100";
height="150";
}


if (ad==7) {
txt="Curso de Visual Basic";
url="http://www.keysca.com/courses/vb.html";
alt="";
banner="images/vb6ent.jpg";
width="100";
height="118";
}

if (ad==8) {
txt="CD Demo instalación Servidor 4.11";
url="http://www.keysca.com/products/cd_411.html";
alt="";
banner="images/ins_411.jpg";
width="100";
height="100";
}


if (ad==9) {
txt="Manual de Ensamblaje";
url="http://www.keysca.com/products/man_ens.html";
alt="";
banner="images/man_ens.jpg";
width="100";
height="152";
}


document.write('<center>');
document.write('<a href=\"' + url + '\" target=\"principal\">');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('alt=\"' + alt + '\" border=0><br>');
document.write('<small>' + txt + '</small></a>');
document.write('</center>');

// End -->