function PopupPic(sPicURL) {
    var tt = (window.screen.height-326)/2;
	var ll  = (window.screen.width-503)/2;
	var option = "resizable=1,width=503,height=352,TOP="+tt+",LEFT="+ll;
     window.open( "popup/popup.htm?"+sPicURL, "",option); 
   }

function showHideLayers(layer) { //v6.0
  var v,obj,img;
  img=document.getElementById('openclose')
  obj=document.getElementById(layer);
 v = obj.style.visibility; 
 if(v=='visible') 
 {obj.style.visibility='hidden';img.src="images/pictos/liste.gif";} 
 else {obj.style.visibility='visible';img.src="images/pictos/liste_1.gif";}
}

function HideLayers(layer) { //v6.0
   var obj,img;
  img=document.getElementById('openclose')
 obj=document.getElementById(layer);
obj.style.visibility='hidden';img.src="images/pictos/liste.gif";
}
//-->