layerRef="document.getElementbyId"; 


function afficheCalque(calque) 
{ 
document.getElementById(calque).style.visibility = "visible"; 
} 

function cacheCalque(calque) 
{ 
document.getElementById(calque).style.visibility = "hidden"; 
} 



var active_subcontent=0;
var active_staysubcontent=0;



var rollover=0;
if (document.images)
	rollover=1;
else
	rollover=0;

if (rollover){

	nav1_0 = new Image();
	nav1_1 = new Image();
	nav2_0 = new Image();
	nav2_1 = new Image();
   	nav3_0 = new Image();
	nav3_1 = new Image();
	nav4_0 = new Image();
	nav4_1 = new Image();
   	nav5_0 = new Image();
	nav5_1 = new Image();
   	nav6_0 = new Image();
	nav6_1 = new Image();
   	nav7_0 = new Image();
	nav7_1 = new Image();
   	nav8_0 = new Image();
	nav8_1 = new Image();	
	
	hnav3_0 = new Image();	
	hnav3_1 = new Image();	
	
	nav1_0.src = "images/butt_02_10.gif";
	nav1_1.src = "images/butt_02_10_1.gif";
	nav2_0.src = "images/butt_02_20.gif";
	nav2_1.src = "images/butt_02_20_1.gif";
	nav3_0.src = "images/butt_02_30.gif";
	nav3_1.src = "images/butt_02_30_1.gif";
	nav4_0.src = "images/butt_04_10.gif";
	nav4_1.src = "images/butt_04_10_1.gif";
	nav5_0.src = "images/butt_04_20.gif";
	nav5_1.src = "images/butt_04_20_1.gif";
	nav6_0.src = "images/butt_04_30.gif";
	nav6_1.src = "images/butt_04_30_1.gif";	

	hnav3_0.src = "images/butt_04.gif";
	hnav3_1.src = "images/butt_04_1.gif";

}


function activate(button) {
	if ((button!=active_subcontent) && (button!=active_staysubcontent))
		document.images["nav"+button].src = eval("nav"+button+"_1.src");
		//document.images["hnav3"].src = eval("hnav3_1.src");
}

function deactivate(button) {
	if ((button!=active_subcontent) && (button!=active_staysubcontent))
		document.images["nav"+button].src = eval("nav"+button+"_0.src");
		//document.images["hnav3"].src = eval("hnav3_0.src");
}


function store_staymenue(staymenue) {
	if (staymenue!=active_subcontent) {
		if (active_staysubcontent)
			document.images["nav"+active_staysubcontent].src = eval("nav"+active_staysubcontent+"_0.src");
		document.images["nav"+staymenue].src = eval("nav"+staymenue+"_1.src");
		active_staysubcontent=staymenue;
		}
}


function openWin(URL){
	win = window.open(URL,"New","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=700,height=600");
	win.window.focus();
}