function generate_banner(){

var banner = new Array();



banner[0] = '<a href="http://www.sas.com/offices/europe/germany/events/sfd09/live.html?utm_source=sasde_startseite&utm_medium=banner&utm_campaign=sasde_top_banner_sfd" target="_blank"><img src="images/topnews_sfd09.gif" alt="SAS Forum Deutschland" width="900" height="124" border="0"></a>';
banner[1] = '<a href="http://www.sas.com/offices/europe/germany/events/sfd09/live.html?utm_source=sasde_startseite&utm_medium=banner&utm_campaign=sasde_top_banner_sfd" target="_blank"><img src="images/topnews_sfd09.gif" alt="SAS Forum Deutschland" width="900" height="124" border="0"></a>';


var anzahl = 2;
var zufall = 0;
zufall = Math.random();
zufall = Math.floor(zufall * anzahl);

random_banner = banner[zufall];
document.write(random_banner);

}