function ScanCookie(variable) 
{ 
cook = document.cookie; 
variable += "="; 
place = cook.indexOf(variable,0); 
if (place <= -1) 
return("0" ); 
else 
{ 
end = cook.indexOf(";",place) 
if (end <= -1) 
return(unescape(cook.substring(place+variable.length,cook.length))); 
else 
return(unescape(cook.substring(place+variable.length,end))); 
} 
} 

function CreationCookie(nom,valeur,permanent) 
{ 
if(permanent) 
{ 
dateExp = new Date(2020,11,11); 
dateExp = dateExp.toGMTString(); 
ifpermanent = '; expires=' + dateExp + ';'; 
} 
else 
ifpermanent = ''; 
document.cookie = nom + '=' + escape(valeur) + ifpermanent; 
} 
function affiche()
{
	if(ScanCookie("sdis54" )==0) 
	{ 
		var el = document.getElementById('apDiv1');
		el.style.display = "block";
		setTimeout("cacher()","10000");
	    CreationCookie("sdis54","oui",false) 
	} 
}

function cacher()
{
		var el = document.getElementById('apDiv1');
		el.style.display = "none";

}