window.setTimeout('rotate();',2500)
var sponsor = 1;
function werbung() {
  
   if (sponsor==1) top.frames.location.href="http://www.binderrehab.ch"; 
   if (sponsor==2) top.frames.location.href="http://www.halfen.ch"; 
   if (sponsor==3) top.frames.location.href="http://www.feldschloesschen.ch";
   if (sponsor==4) top.frames.location.href="http://www.wundertuete-bremgarten.ch";
   if (sponsor==5) top.frames.location.href="http://www.bdwm.ch";
   if (sponsor==6) top.frames.location.href="http://www.raiffeisen.ch";
   if (sponsor==7) top.frames.location.href="http://www.rocchinotti-bau.ch/"; 
   if (sponsor==8) top.frames.location.href="http://www.hoppler-tiefbau.ch/"; 

}

// function to rotate image (currently uses 4 images)
function rotate() {
   if (++sponsor > 8)  sponsor = 1;
   document.images.banner.src ="werbung/" + "banner" + sponsor + ".jpg";
   window.setTimeout('rotate();',4000);
}