function test1()
	{
		document.getElementById('contenu-news1').style.display='block';
		document.getElementById('contenu-news2').style.display='none';
		document.getElementById('contenu-news3').style.display='none';
		document.getElementById('contenu-news4').style.display='none';
		document.getElementById('test1').style.backgroundImage='url(./Design/bleu1.jpg)';
		document.getElementById('test3').style.backgroundImage='url(./Design/marron3.jpg)';
		document.getElementById('test2').style.backgroundImage='url(./Design/marron2.jpg)';
		document.getElementById('test4').style.backgroundImage='url(./Design/marron4.jpg)';
	}
function testa()
	{
		document.getElementById('contenu-news1').style.display='block';
		document.getElementById('contenu-news2').style.display='none';
		document.getElementById('contenu-news3').style.display='none';
		document.getElementById('contenu-news4').style.display='none';
		document.getElementById('test1').style.backgroundImage='url(./Design/bleu1.jpg)';
		document.getElementById('test3').style.backgroundImage='url(./Design/marron3.jpg)';
		document.getElementById('test2').style.backgroundImage='url(./Design/marron2.jpg)';
		document.getElementById('test4').style.backgroundImage='url(./Design/marron4.jpg)';
	}
function test2()
	{
		document.getElementById('contenu-news1').style.display='none';
		document.getElementById('contenu-news2').style.display='block';
		document.getElementById('contenu-news3').style.display='none';
		document.getElementById('contenu-news4').style.display='none';
		document.getElementById('test1').style.backgroundImage='url(./Design/marron1.jpg)';
		document.getElementById('test3').style.backgroundImage='url(./Design/marron3.jpg)';
		document.getElementById('test2').style.backgroundImage='url(./Design/bleu2.jpg)';
		document.getElementById('test4').style.backgroundImage='url(./Design/marron4.jpg)';
	}
function testb()
	{
		document.getElementById('contenu-news1').style.display='none';
		document.getElementById('contenu-news2').style.display='block';
		document.getElementById('contenu-news3').style.display='none';
		document.getElementById('contenu-news4').style.display='none';
		document.getElementById('test1').style.backgroundImage='url(./Design/marron1.jpg)';
		document.getElementById('test3').style.backgroundImage='url(./Design/marron3.jpg)';
		document.getElementById('test2').style.backgroundImage='url(./Design/bleu2.jpg)';
		document.getElementById('test4').style.backgroundImage='url(./Design/marron4.jpg)';
	}	
function test3()
	{
		document.getElementById('contenu-news1').style.display='none';
		document.getElementById('contenu-news2').style.display='none';
		document.getElementById('contenu-news3').style.display='block';
		document.getElementById('contenu-news4').style.display='none';
		document.getElementById('test1').style.backgroundImage='url(./Design/marron1.jpg)';
		document.getElementById('test3').style.backgroundImage='url(./Design/bleu3.jpg)';
		document.getElementById('test2').style.backgroundImage='url(./Design/marron2.jpg)';
		document.getElementById('test4').style.backgroundImage='url(./Design/marron4.jpg)';
	}
function testc()
	{
		document.getElementById('contenu-news1').style.display='none';
		document.getElementById('contenu-news2').style.display='none';
		document.getElementById('contenu-news3').style.display='block';
		document.getElementById('contenu-news4').style.display='none';
		document.getElementById('test1').style.backgroundImage='url(./Design/marron1.jpg)';
		document.getElementById('test3').style.backgroundImage='url(./Design/bleu3.jpg)';
		document.getElementById('test2').style.backgroundImage='url(./Design/marron2.jpg)';
		document.getElementById('test4').style.backgroundImage='url(./Design/marron4.jpg)';
	}	
function test4()
	{
		document.getElementById('contenu-news1').style.display='none';
		document.getElementById('contenu-news2').style.display='none';
		document.getElementById('contenu-news3').style.display='none';
		document.getElementById('contenu-news4').style.display='block';
		document.getElementById('test1').style.backgroundImage='url(./Design/marron1.jpg)';
		document.getElementById('test3').style.backgroundImage='url(./Design/marron3.jpg)';
		document.getElementById('test2').style.backgroundImage='url(./Design/marron2.jpg)';
		document.getElementById('test4').style.backgroundImage='url(./Design/bleu4.jpg)';
	}
function testd()
	{
		document.getElementById('contenu-news1').style.display='none';
		document.getElementById('contenu-news2').style.display='none';
		document.getElementById('contenu-news3').style.display='none';
		document.getElementById('contenu-news4').style.display='block';
		document.getElementById('test1').style.backgroundImage='url(./Design/marron1.jpg)';
		document.getElementById('test3').style.backgroundImage='url(./Design/marron3.jpg)';
		document.getElementById('test2').style.backgroundImage='url(./Design/marron2.jpg)';
		document.getElementById('test4').style.backgroundImage='url(./Design/bleu4.jpg)';
	}