var comptearebour = setTimeout('netdaube=true',1);
			var msgPrinc = "";


			
			var ns4 = (document.layers)? true:false;
			var ie4 = (document.all)? true:false ;
			var nav5 = (document.getElementById) ? true:false;
			if (nav5) {ie4=0; ns4=0}
			var sousmenuencours="MENU1";
			var sousmenuencours_2="IMAGE-GAUCHE-CREA-CONTENU";
					
			function ouverture_div(nav)
			{
				if (ns4){eval("document."+ nav +".visibility = 'visible'");}
				if (ie4){eval(nav +".style.visibility = 'visible'");}
				if (nav5){eval("document.getElementById('"+ nav +"').style.visibility = 'visible'");}
			}
			function piano(nav)
			{
				if (nav5){settimevar="document.getElementById('"+nav +"').style.visibility = 'hidden'";}
				if (ie4){settimevar=nav +".style.visibility = 'hidden'";}
				if (ns4){settimevar="document."+ nav +".visibility = 'hidden'";}
				comptearebour=setTimeout('eval(settimevar)',50000);
				sousmenuencours=nav;
			}
			
			function pianopiano()
			{
				if (nav5){pianosousmenu = "document.getElementById('"+sousmenuencours +"').style.visibility = 'hidden'";}
				if (ie4){pianosousmenu="document."+sousmenuencours +".style.visibility = 'hidden'";}
				if (ns4){pianosousmenu="document."+ sousmenuencours +".visibility = 'hidden'";} 
				eval(pianosousmenu);
				clearTimeout(comptearebour);
			}
			function pianopiano2()
			{
				clearTimeout(comptearebour);
			}


			function piano_2(nav)
			{
				if (nav5){settimevar="document.getElementById('"+nav +"').style.visibility = 'hidden'";}
				if (ie4){settimevar=nav +".style.visibility = 'hidden'";}
				if (ns4){settimevar="document."+ nav +".visibility = 'hidden'";}
				comptearebour=setTimeout('eval(settimevar)',10000);
				sousmenuencours_2=nav;
			}
			
			function pianopiano_2()
			{
				if (nav5){pianosousmenu = "document.getElementById('"+sousmenuencours_2 +"').style.visibility = 'hidden'";}
				if (ie4){pianosousmenu="document."+sousmenuencours_2 +".style.visibility = 'hidden'";}
				if (ns4){pianosousmenu="document."+ sousmenuencours_2 +".visibility = 'hidden'";} 
				eval(pianosousmenu);
				clearTimeout(comptearebour);
			}