// JavaScript Document
// script pour l'affichage des images du bandeau

function affiche_bandeau() {
var id="bandeau";
var id1="bandeau1"; 	

var bandeau=document.getElementById(id);
var bandeau1=document.getElementById(id1);

setOpacity(bandeau, 0);
setOpacity(bandeau1, 0);
bandeau.style.visibility ='visible';
bandeau1.style.visibility ='visible';
fadeIn(id,0);//pour fondu 
fadeIn(id1,0);		
}

function setOpacity(obj, opacity) {
  opacity = (opacity == 100)?99.999:opacity;
  
  // IE/Win
  obj.style.filter = "alpha(opacity:"+opacity+")";
  
  // Safari<1.2, Konqueror
  obj.style.KHTMLOpacity = opacity/100;
  
  // Older Mozilla and Firefox
  obj.style.MozOpacity = opacity/100;
  
  // Safari 1.2, newer Firefox and Mozilla, CSS3
  obj.style.opacity = opacity/100;
}

function fadeIn(id,opacity) {

  if (document.getElementById) {
  	 obj = document.getElementById(id);
	
    if (opacity <= 100) {
	  setOpacity(obj, opacity);
      opacity += 7;
      window.setTimeout("fadeIn('"+id+"',"+opacity+")", 150);
	  
    }
  }
}

function affiche(id,apercu2,legende) {

	if (document.getElementById){
		var d = document.getElementById(id);
		d.style.backgroundImage = 'url("'+apercu2+'")';
		setOpacity(d,0);
		fadeIn(id,0,legende);
	}

	if (document.getElementById("divlegende")){
		document.getElementById("divlegende").innerHTML = legende;
    }	
}