function sistemaHome(){
  if (document.all) {
    var ww = document.body.clientWidth;
    var hh = document.body.clientHeight;
	} else {
    var ww = window.innerWidth;
    var hh = window.innerHeight;
	}

  var rimane = hh - 471;
  if(rimane < 0) rimane = 0;
  rimane = rimane / 2;
//   rimane = rimane + 2

  if(document.getElementById('mamma') != null){
//     if (ww < 871){
//       moveMamma = ww - 427 - 18;
//     } else {
//       moveMamma = 427;
//     }
    moveMamma = 427;
    document.getElementById('mamma').style.left =  moveMamma + "px";
    document.getElementById('mamma').style.visibility = "visible";
    slideFx();
  }
  document.getElementById('contenitore').style.top = rimane +"px";
//   if (ww <= 800){
//     document.getElementById('sidebar').style.visibility = "hidden"	
//   }


}
function stopSlide(){
  clearInterval(timerID);
}

sistemaHome();