$(function () {   
   $("#neuheiten_slide").prepend($("#neuheiten_slide img").clone()); 
   animate(0);
});

function animate(el){
   var animationTime = 64000;
   if(el > 1) el = 0;

   $("#neuheiten_slide img:eq("+el+")").animate ({
         left: "-4850px"
      }, animationTime, "linear", function(){  $("#neuheiten_slide img:eq("+el+")").css('left','154px'); animate(++el);  });
}