function fermer_popup(){ 
	document.getElementById("popup_content").innerHTML="";
	document.getElementById("popup").style.display="none";
	document.getElementById("filtre").style.display="none"; 
}

function afficher_popup(id){
	document.getElementById("popup_content").innerHTML=document.getElementById(id).innerHTML;
	document.getElementById("popup").style.display="block";
	document.getElementById("filtre").style.display="block"; 
}