/**********************************************************
* Fade-in image slideshow script
* © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/
* for full source code
* 
* Paramétrage
* 
* 1) LE CHEMIN DE L'IMAGE
* 2) UN LIEN CLIQUABLE OPTIONNEL SUR L'IMAGE
* 3) LE CADRE DE DESTINATION OPTIONNEL
* 4) ENTREZ LA LARGEUR DE L'IMAGE
* 5) ENTREZ LA HAUTEUR DE L'IMAGE
* 6) ENTREZ LA PAUSE ENTRE CHAQUE IMAGE (3000 = 3 secondes)
* 
*/

var slideshow_width='602px'; 
var slideshow_height='250px';
var pause = 4000 ;
var fadeimages=new Array();
fadeimages[0]=["img/slides/slide_01.jpg", "gamme.html", ""];
fadeimages[1]=["img/slides/slide_02.jpg", "gamme.html", ""];
fadeimages[2]=["img/slides/slide_03.jpg", "gamme.html", ""];
fadeimages[3]=["img/slides/slide_04.jpg", "gamme.html", ""];
var preloadedimages = new Array();
for (p=0;p<fadeimages.length;p++){
  preloadedimages[p] = new Image();
  preloadedimages[p].src = fadeimages[p][0];
}
var ie4 = document.all;
var dom = document.getElementById;
if (ie4||dom)
  document.write('<div style="position:relative;width:'+slideshow_width+';height:'+slideshow_height+';overflow:hidden"><div  id="canvas0" style="position:absolute;width:'+slideshow_width+';height:'+slideshow_height+';top:0;left:0;filter:alpha(opacity=10);-moz-opacity:10"></div><div id="canvas1" style="position:absolute;width:'+slideshow_width+';height:'+slideshow_height+';top:0;left:0;filter:alpha(opacity=10);-moz-opacity:10;visibility: hidden"></div></div>');
else
  document.write('<img name="defaultslide" src="'+fadeimages[0][0]+'">');
var curpos = 10;
var degree = 10;
var curcanvas = 'canvas0';
var curimageindex = 0;
var nextimageindex = 1;

/**
 * Fonctions
 */
  
function fadepic(){
  if (curpos<100){
    curpos+=10;
    if (tempobj.filters)
      tempobj.filters.alpha.opacity=curpos;
    else if (tempobj.style.MozOpacity)
      tempobj.style.MozOpacity=curpos/101;
  }
  else{
    clearInterval(dropslide);
    nextcanvas=(curcanvas=="canvas0")? "canvas0" : "canvas1";
    tempobj=ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas);
    tempobj.innerHTML=insertimage(nextimageindex);
    nextimageindex=(nextimageindex<fadeimages.length-1)? nextimageindex+1 : 0;
    var tempobj2=ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas);
    tempobj2.style.visibility="hidden";
    setTimeout("rotateimage()",pause);
  }
}

function insertimage(i){
  var tempcontainer=fadeimages[i][1]!=""? '<a href="'+fadeimages[i][1]+'" target="'+fadeimages[i][2]+'">' : "";
  tempcontainer+='<img src="'+fadeimages[i][0]+'" border="0">';
  tempcontainer=fadeimages[i][1]!=""? tempcontainer+'</a>' : tempcontainer;
  return tempcontainer;
}

function rotateimage(){
  if (ie4||dom){
    resetit(curcanvas);
    var crossobj=tempobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas);
    crossobj.style.zIndex++;
    tempobj.style.visibility="visible";
    var temp='setInterval("fadepic()",50)';
    dropslide=eval(temp);
    curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0";
  }
  else
    document.images.defaultslide.src=fadeimages[curimageindex][0];
  curimageindex=(curimageindex<fadeimages.length-1)? curimageindex+1 : 0;
}

function resetit(what){
  curpos=10 
  var crossobj=ie4? eval("document.all."+what) : document.getElementById(what)  
  if (crossobj.filters)
    crossobj.filters.alpha.opacity=curpos;
  else if (crossobj.style.MozOpacity)
    crossobj.style.MozOpacity=curpos/101;
}

function startit(){
  var crossobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas);
  crossobj.innerHTML=insertimage(curimageindex);
  rotateimage();
}

if (ie4||dom)
  window.onload=startit;
else
  setInterval("rotateimage()",pause);