TabImg = new Array();

function preloadImages()
{
    
    for(i = 0;i < 25; i++)
    {
        TabImg[i] = new Image();
        TabImg[i].src = '/images/homeanim' + (i + 1) + '.jpg'; 
        
    } 
}

function diaporama(imageid, millisec) 
{
    //Pseudo variable static (this represente la fonction)
    if (typeof this.num == 'undefined') { this.num = 0; }
    var speed = Math.round(millisec / 100); 
    var timer = 0; 
    
  
  changeOpac(0, imageid); 
  document.getElementById(imageid).src = TabImg[num].src; 
  
  for(i = 0; i <= 100; i++) 
  { 
     setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed)); 
     timer++; 
  } 

  //document.write(TabImg[num]);
  if (num == 24 ) { num = 0; return}
  num++;
}
 
 
  function changeOpac(opacity, id) 
    {
      var object = document.getElementById(id).style;
      object.opacity = (opacity / 100);
      object.MozOpacity = (opacity / 100);
      object.KhtmlOpacity = (opacity / 100);
      object.filter = "alpha(opacity=" + opacity + ")";
    }
 
  //Pour rejouer le diaporama en boucle
  //var timer=setInterval("diaporama('id_div','image1,500)",4000);