anzahl_banner=5; 
var banner_nr=0; 
var zustand=0; 
var banner=new Array(); 
for (i=0;i<anzahl_banner;i++){ 
 banner[i]=new Image(); 
} 

banner[0].src="img/c1.jpg"; 
banner[1].src="img/cc.jpg"; 
banner[2].src="img/c5.jpg"; 
banner[3].src="img/c7.jpg"; 
banner[4].src="img/c9.jpg"; 

function wechsleBanner(){ 
 if (zustand!=1){ 
  banner_nr++; 
  if (banner_nr>anzahl_banner-1){ 
   banner_nr=0; 
   } 
  document.cabrio.src=banner[banner_nr].src; 
  setTimeout("wechsleBanner()",5000); 
  } 
 }