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



if (ad==1) {
url="http://www.shipgaz.com/jobs";
alt="Dahl";
banner="http://www.shipgaz.se/annonser/banner/egna/jobb/jobs";
width="100";
height="100";
}



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