$(document).ready(function() {

function changeImage() {
   $("#banniere").attr({
      src: "medias/images/banniere"+currentImage+".jpg"
   });
   currentImage = (currentImage >= numImages) ? 1 : currentImage + 1;
}
var numImages = 4;
var currentImage = 1;
imageInterval = window.setInterval(changeImage, 7000);

   $("#anime2").diapo();
   $("#anime3").diapo();

});