var position = 0;
var pictures = new Array("picts/top/P8313682.png","picts/top/P8313696.png","picts/top/P8283097.png","picts/top/P8313708.png");
function zmen_img ()  {position++;
if(position==pictures.length) {position=0;}
document.getElementById ('galerie').src = pictures[position];}

setInterval("zmen_img()",5000);