<!--
var num_banner = 3;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % num_banner;
ad +=1;


{
if (ad==1) {
url="http://www.regal.es/economistes.htm";
target="_blank";
banner="/GIFS/PUBLI/bannerregal.gif";
width="460";
height="65";
}

if (ad==2) {
url="http://www.il3.ub.edu/track/ca/1214";
target="_parent";
banner="/GIFS/PUBLI/UB.gif";
width="460";
height="65";
}

if (ad==3) {
url="http://www.coleconomistes.com/serveis/bancsabadell.html";
target="_parent";
banner="/GIFS/PUBLI/BS_cat.gif";
width="465";
height="60";
}

document.write('<a href=\"' + url + '\" target=\"' + target + '\">');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write(' border=0>');
document.write('</a><br>');
}
-->

