var AdvertismentInserts = new Array();
AdvertismentInserts[0] = '';
AdvertismentInserts[1] = '';
AdvertismentInserts[2] = '';
var CurrentAdvertisment = Math.floor(Math.random()*AdvertismentInserts.length);
function changeAdvertisment(){
CurrentAdvertisment++;
if( CurrentAdvertisment > AdvertismentInserts.length -1 ) CurrentAdvertisment = 0;
document.getElementById("bunner1").innerHTML = AdvertismentInserts[CurrentAdvertisment];
};