function afficherImage1()
			{
				document.getElementById('lign1').innerHTML = '<img src="img/a1.gif" />';
			}
			function enleverImage1()
			{
				document.getElementById('lign1').innerHTML = '';
			}
			function afficherImage2()
			{
				document.getElementById('lign2').innerHTML = '<img src="img/a1.gif" />';
			}
			function enleverImage2()
			{
				document.getElementById('lign2').innerHTML = '';
			}
			function afficherImage3()
			{
				document.getElementById('lign3').innerHTML = '<img src="img/a2.gif" />';
			}
			function enleverImage3()
			{
				document.getElementById('lign3').innerHTML = '';
			}
			function afficherImage4()
			{
				document.getElementById('lign4').innerHTML = '<img src="img/a2.gif" />';
			}
			function enleverImage4()
			{
				document.getElementById('lign4').innerHTML = '';
			}
			function afficherImage5()
			{
				document.getElementById('lign5').innerHTML = '<img src="img/a3.gif" />';
			}
			function enleverImage5()
			{
				document.getElementById('lign5').innerHTML = '';
			}
			function afficherImage6()
			{
				document.getElementById('lign6').innerHTML = '<img src="img/a3.gif" />';
			}
			function enleverImage6()
			{
				document.getElementById('lign6').innerHTML = '';
			}
			function afficherImage7()
			{
				document.getElementById('lign7').innerHTML = '<img src="img/a4.gif" />';
			}
			function enleverImage7()
			{
				document.getElementById('lign7').innerHTML = '';
			}
			function afficherImage8()
			{
				document.getElementById('lign8').innerHTML = '<img src="img/a4.gif" />';
			}
			function enleverImage8()
			{
				document.getElementById('lign8').innerHTML = '';
			}
			function afficherImage9()
			{
				document.getElementById('lign9').innerHTML = '<img src="img/a5.gif" />';
			}
			function enleverImage9()
			{
				document.getElementById('lign9').innerHTML = '';
			}
			function afficherImage10()
			{
				document.getElementById('lign10').innerHTML = '<img src="img/a5.gif" />';
			}
			function enleverImage10()
			{
				document.getElementById('lign10').innerHTML = '';
			}
			function afficherImage11()
			{
				document.getElementById('lign11').innerHTML = '<img src="img/a6.gif" />';
			}
			function enleverImage11()
			{
				document.getElementById('lign11').innerHTML = '';
			}
			function afficherImage12()
			{
				document.getElementById('lign12').innerHTML = '<img src="img/a6.gif" />';
			}
			function enleverImage12()
			{
				document.getElementById('lign12').innerHTML = '';
			}
			function afficherImage13()
			{
				document.getElementById('lign13').innerHTML = '<img src="img/a7.gif" />';
			}
			function enleverImage13()
			{
				document.getElementById('lign13').innerHTML = '';
			}
			function afficherImage14()
			{
				document.getElementById('lign14').innerHTML = '<img src="img/a7.gif" />';
			}
			function enleverImage14()
			{
				document.getElementById('lign14').innerHTML = '';
			}