function hidenav()
	{
		var nav = document.getElementById('navigation');
		nav.style.color = '#DDD';
		nav.style.borderColor = '#DDD';
		
		var tit = document.getElementById('titre');
		tit.style.backgroundColor = '#DDD';
		
		var act = document.getElementById('actu');
		act.style.backgroundColor = '#DDD';
	}
	
function shownav()
	{
		var nav = document.getElementById('navigation');
		nav.style.color = 'black';
		nav.style.borderColor = 'black';
		
		var tit = document.getElementById('titre');
		tit.style.backgroundColor = 'black';
		
		var act = document.getElementById('actu');
		act.style.backgroundColor = 'black';
	}
	

function photochange(photo,txt)
	{
	var pic = document.getElementById('photo');
	pic.src='files/'+photo;	
	
	var texte = document.getElementById('text');
	texte.innerHTML=txt;
	}
	
function textechange(txt)
	{	
	var texte = document.getElementById('text');
	texte.innerHTML=txt;
	}