displayedN2 = false;
displayedN3 = false;
niveau1selected = "noselected";
niveau2selected = "noselected";

function ligne(lig)
{

document.getElementById(lig).style.display='block';

}
function cacheligne(lig)
{
document.getElementById(lig).display='none';
}

function niveau1play(ref,count){
if (count<=0){
if (displayedN3){   
if (niveau2selected!="noselected")
	$("#"+niveau2selected).hide();
$("#div_niv3").slideUp("slow");
displayedN3 = false;}

if (displayedN2){
   if (niveau1selected!="noselected")
	$("#"+niveau1selected).hide();
$("#div_niv2").slideUp("slow");
displayedN2 = false;}
niveau1selected = "noselected";
niveau2selected = "noselected";
return false;
}
else{
if (displayedN3){   
if (niveau2selected!="noselected")
	$("#"+niveau2selected).hide();
$("#div_niv3").slideUp("slow");
displayedN3 = false;
niveau2selected = "noselected";
}

		if (!displayedN2){
			$("#ul_"+ref).show();
			niveau1selected="ul_"+ref;
			
			//$("li.liste2").show();
			$("#div_niv2").slideDown("slow");
			displayedN2 = true;			
		                  }
		else{ 
		
			$("#ul_"+ref).show();
			if (niveau1selected!="noselected" && niveau1selected!= "ul_"+ref )
			      $("#"+niveau1selected).hide();
			niveau1selected="ul_"+ref;
		}
	
	}
 
 }
 function niveau2play(ref1,count1){

if (count1<=0){
if (displayedN3){
   if (niveau2selected!="noselected")
	$("#"+niveau2selected).hide();
$("#div_niv3").slideUp("slow");
displayedN3 = false;}
niveau2selected = "noselected";
return false;
}
else{

		if (!displayedN3){
			$("#ul1_"+ref1).show();
			niveau2selected="ul1_"+ref1;
			
			//$("li.liste2").show();
			$("#div_niv3").slideDown("slow");
			displayedN3 = true;			
		                  }
		else{ 
		
			$("#ul1_"+ref1).show();
			if (niveau2selected!="noselected" && niveau2selected!= "ul1_"+ref1 )
			      $("#"+niveau2selected).hide();
			niveau2selected="ul1_"+ref1;
		}
	
	}


 }
 
 function fermer(){

if (displayedN3){   
if (niveau2selected!="noselected")
	$("#"+niveau2selected).hide();
					
	
$("#div_niv3").slideUp("fast");
displayedN3 = false;}

if (displayedN2){
   if (niveau1selected!="noselected")
	$("#"+niveau1selected).hide();
$("#div_niv2").slideUp("fast");
displayedN2 = false;}
niveau1selected = "noselected";
niveau2selected = "noselected";

 }