<SCRIPT LANGUAGE="javascript">
var cuantos_banners = 2;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % cuantos_banners;
ad +=1;
if (ad==1) {
publicidad="<iframe hspace=0 vspace=0 border=0 frameborder=0 marginheight=0 marginwidth=0 width=924 height=258 scrolling=no allowtransparency=true src=http://adserver.juicyads.com/adshow.php?adzone=15585></iframe>";
}
if (ad==2) {
publicidad="<script type="text/javascript" language="javascript" charset="utf-8" src="http://adspaces.ero-advertising.com/adspace/52883.js"></script>";
}
document.write(publicidad);
</SCRIPT>