function ChangeBanner(etape)
{

  switch(etape)
  {

    case 1:
      banner1 = "<img src='images/banner/intro.gif' class='fond_ImageLogo'>";
      if (document.getElementById)
      {
        document.getElementById("banner_top").innerHTML = banner1;
      }
      else if (document.all)
      {
        document.all["banner_top"].innerHTML = banner1;
      }

      if (document.images)
      {
        img2 = new Image;
        //img2.src = "images/banner/logo_tr.gif";
      }

      setTimeout("ChangeBanner(2)", 9000);
      break;


    case 2:


      banner2 = "<img src='images/banner/logo_tr.gif' class='fond_ImageSeule'>";
      if (document.getElementById)
      {
        document.getElementById("banner_top").innerHTML = banner2;
      }
      else if (document.all)
      {
        document.all["banner_top"].innerHTML = banner2;
      }

      setTimeout("ChangeBanner(3)", 3000);
      break;


    case 3:
      banner3 = "<img src='images/banner/pub.gif' class='fond_ImageSeule'>";
      if (document.getElementById)
      {
        document.getElementById("banner_top").innerHTML = banner3;
      }
      else if (document.all)
      {
        document.all["banner_top"].innerHTML = banner3;
      }

      setTimeout("ChangeBanner(1)", 7000);
      break;

   }
}






function Diaporama(etape)
{
TimeDelay = 2000;

  switch(etape)
  {

    case 1:
      img1 = "<img src='images/modeles/ES001_01.JPG' class='imageflottante'>";
      if (document.getElementById)
      {
        document.getElementById("loop_img").innerHTML = img1;
      }
      else if (document.all)
      {
        document.all["loop_img"].innerHTML = img1;
      }

      setTimeout("Diaporama(2)", TimeDelay);
      break;


    case 2:
      img2 = "<img src='images/modeles/ES003a_01.JPG' class='imageflottante'>";
      if (document.getElementById)
      {
        document.getElementById("loop_img").innerHTML = img2;
      }
      else if (document.all)
      {
        document.all["loop_img"].innerHTML = img2;
      }

      setTimeout("Diaporama(3)", TimeDelay);
      break;


    case 3:
      img3 = "<img src='images/modeles/ES004_01.JPG' class='imageflottante'>";
      if (document.getElementById)
      {
        document.getElementById("loop_img").innerHTML = img3;
      }
      else if (document.all)
      {
        document.all["loop_img"].innerHTML = img3;
      }

      setTimeout("Diaporama(1)", TimeDelay);
      break;
  }
}






// Initialise les infos utilisées pour l'animation
function BougerLogoVers( xPosition )
{
  var step;
  var NbPix;


  if(xPosition > EndPos)
  {
    step = 10;
    xPosition -= step;
    NbPix += step;

    Deplacement_Logo(0, xPosition);

    MaxTime = 50;
    MinTime = 10;
    TimeConstant = 100;
    Pause = (MaxTime - MinTime) * Math.exp( -NbPix/TimeConstant ) + MinTime;
    Commande = "BougerLogoVers(" + xPosition + ")";

    setTimeout(Commande, Pause);
  }

  return;
}


// Modifie la position du Logo
function Deplacement_Logo(TopPos, LeftPos)
{
  if (nav == "Netscape")
  {
    eval("document.AnimeLogo.left = LeftPos;");
    eval("document.AnimeLogo.top = TopPos;");
  }
  else
  {
    eval("document.all.AnimeLogo.style.pixelLeft = LeftPos;");
    eval("document.all.AnimeLogo.style.pixelTop = TopPos;");
  }
}