function MM_reloadPage(init) {  //reloads the window if Nav4 resized
 if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
   document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
 else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
function MM_swapImage() { //v3.0
 var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
  if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
var vis = new Array();
function swap_couche(couche){
		
		/*Ci dessous déclare un tableau contenant les ID, pour tous les refermer et afficher celui cliqué
		*/
		var tab=new Array("_ID_1","_ID_2","_ID_3","_ID_4","_ID_5","_ID_6","_ID_7","_ID_8","_ID_9","_ID_10","_ID_11","_ID_12","_ID_13","_ID_14","_ID_15","_ID_16","_ID_17","_ID_18","_ID_19","_ID_20");
		var i=0;
		var lg=tab.length;
		if (vis[couche] == 'show'){
                MM_swapImage('triangle'+couche,'','/img/deplierhaut.gif?'+couche,1)
                MM_showHideLayers('Layer'+couche,'','hide');
                vis[couche] = 'hide';
        } else {
                MM_swapImage('triangle'+couche,'','/img/deplierbas.gif?'+couche,1)
                MM_showHideLayers('Layer'+couche,'','show');
                vis[couche] = 'show';
        }
        
       for(i=0;i<lg;i++){
			if(tab[i] == couche){
			} else {
				MM_swapImage('triangle'+tab[i],'','/img/deplierhaut.gif?'+tab[i],1)
            	MM_showHideLayers('Layer'+tab[i],'','hide');
            	vis[tab[i]] = 'hide';
            }
		}
}

function MM_findObj(n, d) { //v4.0
 var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
   d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
 if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
 for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
 if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
 var i,p,v,obj,args=MM_showHideLayers.arguments;
 for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
   if (obj.style) { obj=obj.style; v=(v=='show')?'block':(v='hide')?'none':v; }
   obj.display=v; }
}

function MM_preloadImages() { //v3.0
	var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}