function modificationBouton(couleur){
	if( couleur == "blanc" ){
		document.getElementById('telecharger').setAttribute('src','/images/cv/bouton-telecharger_blanc.png');
	}else if( couleur == "orange1" ){
		document.getElementById('telecharger').setAttribute('src','/images/cv/bouton-telecharger_orange1.png');
	}else if( couleur == "orange2" ){
		document.getElementById('telecharger').setAttribute('src','/images/cv/bouton-telecharger_orange2.png');
	}
}