function afficheClass1()
{
	document.getElementById('1').style.visibility='visible';
	document.getElementById('1').style.display='block';
	
		
	
		 	
		document.getElementById('2').style.visibility='hidden';
		document.getElementById('2').style.display='none';
		
	
		 	
		document.getElementById('3').style.visibility='hidden';
		document.getElementById('3').style.display='none';
		
	
		 	
		document.getElementById('4').style.visibility='hidden';
		document.getElementById('4').style.display='none';
		
	
		 	
		document.getElementById('5').style.visibility='hidden';
		document.getElementById('5').style.display='none';
		
	
		 	
		document.getElementById('6').style.visibility='hidden';
		document.getElementById('6').style.display='none';
		
	

}


function afficheClass2()
{
	document.getElementById('2').style.visibility='visible';
	document.getElementById('2').style.display='block';
	
		 	
		document.getElementById('1').style.visibility='hidden';
		document.getElementById('1').style.display='none';
		
	
		
	
		 	
		document.getElementById('3').style.visibility='hidden';
		document.getElementById('3').style.display='none';
		
	
		 	
		document.getElementById('4').style.visibility='hidden';
		document.getElementById('4').style.display='none';
		
	
		 	
		document.getElementById('5').style.visibility='hidden';
		document.getElementById('5').style.display='none';
		
	
		 	
		document.getElementById('6').style.visibility='hidden';
		document.getElementById('6').style.display='none';
		
	

}


function afficheClass3()
{
	document.getElementById('3').style.visibility='visible';
	document.getElementById('3').style.display='block';
	
		 	
		document.getElementById('1').style.visibility='hidden';
		document.getElementById('1').style.display='none';
		
	
		 	
		document.getElementById('2').style.visibility='hidden';
		document.getElementById('2').style.display='none';
		
	
		
	
		 	
		document.getElementById('4').style.visibility='hidden';
		document.getElementById('4').style.display='none';
		
	
		 	
		document.getElementById('5').style.visibility='hidden';
		document.getElementById('5').style.display='none';
		
	
		 	
		document.getElementById('6').style.visibility='hidden';
		document.getElementById('6').style.display='none';
		
	

}


function afficheClass4()
{
	document.getElementById('4').style.visibility='visible';
	document.getElementById('4').style.display='block';
	
		 	
		document.getElementById('1').style.visibility='hidden';
		document.getElementById('1').style.display='none';
		
	
		 	
		document.getElementById('2').style.visibility='hidden';
		document.getElementById('2').style.display='none';
		
	
		 	
		document.getElementById('3').style.visibility='hidden';
		document.getElementById('3').style.display='none';
		
	
		
	
		 	
		document.getElementById('5').style.visibility='hidden';
		document.getElementById('5').style.display='none';
		
	
		 	
		document.getElementById('6').style.visibility='hidden';
		document.getElementById('6').style.display='none';
		
	

}


function afficheClass5()
{
	document.getElementById('5').style.visibility='visible';
	document.getElementById('5').style.display='block';
	
		 	
		document.getElementById('1').style.visibility='hidden';
		document.getElementById('1').style.display='none';
		
	
		 	
		document.getElementById('2').style.visibility='hidden';
		document.getElementById('2').style.display='none';
		
	
		 	
		document.getElementById('3').style.visibility='hidden';
		document.getElementById('3').style.display='none';
		
	
		 	
		document.getElementById('4').style.visibility='hidden';
		document.getElementById('4').style.display='none';
		
	
		
	
		 	
		document.getElementById('6').style.visibility='hidden';
		document.getElementById('6').style.display='none';
		
	

}


function afficheClass6()
{
	document.getElementById('6').style.visibility='visible';
	document.getElementById('6').style.display='block';
	
		 	
		document.getElementById('1').style.visibility='hidden';
		document.getElementById('1').style.display='none';
		
	
		 	
		document.getElementById('2').style.visibility='hidden';
		document.getElementById('2').style.display='none';
		
	
		 	
		document.getElementById('3').style.visibility='hidden';
		document.getElementById('3').style.display='none';
		
	
		 	
		document.getElementById('4').style.visibility='hidden';
		document.getElementById('4').style.display='none';
		
	
		 	
		document.getElementById('5').style.visibility='hidden';
		document.getElementById('5').style.display='none';
		
	
		
	

}