//popup centrer
var newWin = null;
function closeWin(){
if (newWin != null){
if(!newWin.closed)
newWin.close();
}
}
function popup(page,largeur,hauteur,options) {
		closeWin();
		var top=(screen.height-hauteur)/2;
		var left=(screen.width-largeur)/2;
		newWin = window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}

//fermer popup vers lien
function CloseLien(page) {
		window.opener.location=page;
		window.close();
		}

// Affiche la Galerie
function galerie() {
var bauto = 0;
var dossier="fichiers/quad/";
var numero = 1;
function objet() {
this.length = objet.arguments.length
for (var i = 0; i < this.length; i++) this[i+1] = objet.arguments[i]
}
var nom = new objet ("q_02.jpg","q_03.jpg","q_04.jpg","q_05.jpg","q_06.jpg","q_07.jpg","q_08.jpg","q_01.jpg");
function suivante() {
numero += 1;
if (numero == nom.length + 1) numero = 1;
document.image.src = dossier+nom[numero];
}
function precedente() {
numero -= 1;
if (numero == 0) numero = nom.length;
document.image.src = dossier+nom[numero];
}
function changer() {
numero += 1;
if (numero == nom.length + 1) numero = 1;
document.image.src = dossier+nom[numero];
roll=setTimeout("changer()", 1500);
}
function initial() {
window.clearTimeout(roll);
document.image.src = dossier+nom[numero];
}
function auto() {
if (bauto == 0) {
bauto =1; changer();
document.vision.automat.value=" Lect/Stop ";
}
else {
bauto =0; initial();
document.vision.automat.value=" Lect/Auto ";
}
}
}

//PNG24 IE
 function correctPNG() // correctly handle PNG transparency in Win IE 5.5 or higher.
   {
   for(var i=0; i<document.images.length; i++)
      {
   var img = document.images[i]
   var imgName = img.src.toUpperCase()
   if (imgName.substring(imgName.length-3, imgName.length) == "PNG" )
      {
   var imgID = (img.id) ? "id='" + img.id + "' " : ""
   var imgClass = (img.className) ? "class='" + img.className + "' " : ""
   var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
   var imgStyle = "display:inline-block;" + img.style.cssText  
   if (img.align == "left" ) imgStyle = "float:left;" + imgStyle
   if (img.align == "right" ) imgStyle = "float:right;" + imgStyle
   if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle  
   var strNewHTML = "<span " + imgID + imgClass + imgTitle
   + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
      + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
   + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"  
   img.outerHTML = strNewHTML
   i = i-1
      }
      }
   }
//calque Alerte info
  function Cacher() {
    document.getElementById("layer0").style.visibility="hidden";
  }