var thisRound = 0;
var stuff;

function rotateBanner(){

 stuff = '<a href="'+LinkArray[thisRound]+'" target="link"><img src="/media/'+srcArray[thisRound]+'" alt="'+bannerArray[thisRound]+'" class="banner"/></a>';

 document.getElementById("banner").innerHTML = stuff;

 thisRound++;
 if(thisRound==bannerArray.length){thisRound=0;}

}

rotate = setInterval("rotateBanner()", 10000);