// JavaScript Document


function affich_or_ferme(id)
{
    var valeur =
document.getElementById(id).style.display;

    if(valeur == 'block')
    {
   
document.getElementById(id).style.display ='none';
    }
    else{
   
document.getElementById(id).style.display ='block';
    }

 }
 
 
function affichdiv(div_id){
	
	document.getElementById(div_id).style.display="block";	
}

function fermerdiv(div_id){
	
	document.getElementById(div_id).style.display="none";
}