// Find a layer
function MM_findObj(n, d) 
{
	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;
}

// Dislay or not the second menu
function MM_showHideLayers() 
{
	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')?'visible':(v='hide')?'hidden':v; 
					//timer=setTimeout("document.getElementById('" + node.id + "').style.visibility ='hidden'",delay);
				}
					obj.visibility=v;
		}
	}
}

// permet d'adresser 3 frames à la fois
function showTwo(i,j,t)
{
   menu.location.href=i;                   
   main.location.href=j;
   titre.location.href=t;
}