var wie_viele = 1;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % wie_viele;
ad +=1;


if (ad==1) {
link_url="";
banner_url="http://www.discothek-mine.de/grafiken/werbung/banner_rechts.jpg";
width="150";
height="600";
}

function linkbanner() {

document.write('<a href=\"' + link_url + '\" target=\"_blank\">');
document.write('<img src=\"' + banner_url + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('border=0></a><br>');

return
}