if (window.addEventListener)
    window.addEventListener("load", opacInt, false)
  else if (window.attachEvent)
    window.attachEvent("onload", opacInt)
  else if (document.getElementById)
    window.onload=opacInt        


  var ie5t = (document.all && document.getElementById);
  var ns6t = (!document.all && document.getElementById);
  var opac3t = 0;
  var indext = 0;
  var fotot=new Array();
  fotot[0] = '<img src="ltreal/img/let1.jpg" alt="" width="200" height="135"/>';fotot[1] = '<img src="ltreal/img/IMAGES6.JPG" alt="" width="200" height="135"/>';fotot[2] = '<img src="ltreal/img/ARCHITET.jpg" alt="" width="200" height="135"/>';fotot[3] = '<img src="ltreal/img/4.jpg" alt="" width="200" height="135"/>';fotot[4] = '<img src="ltreal/img/quadro1.jpg" alt="" width="200" height="135"/>';   
  function opacInt() {
      if(opac3t < 100){
          opac3t+=10;
          if(ie5t) document.getElementById('imgreal').filters.alpha.opacity = opac3t;
          if(ns6t) document.getElementById('imgreal').style.MozOpacity = opac3t/100;
          setTimeout('opacInt()', 50);
      }else{
          setTimeout('opacOutt()', 2000);
      }
  }
   
  function opacOutt() {
      if(opac3t > 0){
          opac3t-=10;
          if(ie5t) document.getElementById('imgreal').filters.alpha.opacity = opac3t;
          if(ns6t) document.getElementById('imgreal').style.MozOpacity = opac3t/100;
          setTimeout('opacOutt()', 50);
      }else{
          setTimeout('changefotot()', 50);
          opacInt();
      }
  }
  
  function changefotot(){
    if (indext>=fotot.length)
      indext=0
    document.getElementById("imgreal").innerHTML=fotot[indext];
    indext++;
  }