function change(){		
	var choix = document.getElementById('choix');
	var choix2 = document.getElementById('choix2');

	if(choix.value == 'classique'){
		document.getElementById('helloarticle').style.display = 'none';
		document.getElementById('hellophoto').style.display = 'none';
		document.getElementById('hellophoto2').style.display = 'none';
	}
	if(choix.value == 'photo'){
		document.getElementById('helloarticle').style.display = 'none';
		document.getElementById('hellophoto').style.display = 'block';
		document.getElementById('hellophoto2').style.display = 'block';
	}


	if(choix.value == 'article'){
		document.getElementById('helloarticle').style.display = 'block';
		document.getElementById('hellophoto').style.display = 'block';
		document.getElementById('hellophoto2').style.display = 'none';
	}
	
	if(choix.value == 'audio'){
		document.getElementById('helloarticle').style.display = 'none';
		document.getElementById('hellophoto').style.display = 'block';
		document.getElementById('hellophoto2').style.display = 'none';
	}
	
	if(choix.value == 'gb'){
		document.getElementById('helloarticle').style.display = 'none';
		document.getElementById('hellophoto').style.display = 'block';
		document.getElementById('hellophoto2').style.display = 'none';
	}
	
	if(choix.value == 'agenda'){
		document.getElementById('helloarticle').style.display = 'none';
		document.getElementById('hellophoto').style.display = 'none';
		document.getElementById('hellophoto2').style.display = 'none';
	}

	if(choix.value == ''){
		document.getElementById('helloarticle').style.display = 'none';
		document.getElementById('hellophoto').style.display = 'none';
		document.getElementById('hellophoto2').style.display = 'none';
	}


	if(choix2.value == ''){
		document.getElementById('hellopassword').style.display = 'none';
	}
	
	if(choix2.value == 'Non'){
		document.getElementById('hellopassword').style.display = 'none';
	}

	if(choix2.value == 'Oui'){
		document.getElementById('hellopassword').style.display = 'block';
	}

	if(choix2.value == '2'){
		document.getElementById('hellopassword').style.display = 'none';
	}

}

function change3(){
	var choix3 = document.getElementById('choix3');


	if(choix3.value == 'perso'){
		document.getElementById('helloperso').style.display = 'block';
	}

}
function change4(){
	var choix4 = document.getElementById('choix4');

	if(choix4.value == 'sel'){
		document.getElementById('hellooption1').style.display = 'none';
		document.getElementById('hellooption2').style.display = 'none';
	}

	if(choix4.value == 'passchange'){
		document.getElementById('hellooption1').style.display = 'block';
		document.getElementById('hellooption2').style.display = 'none';
	}

	if(choix4.value == 'option2'){
		document.getElementById('hellooption2').style.display = 'block';
		document.getElementById('hellooption1').style.display = 'none';
	}
}