function lit_cook(nom) 
{
      var deb,fin;
      deb = document.cookie.indexOf(nom + "=");
      if (deb >= 0) 
		{
         deb += nom.length + 1;
         fin = document.cookie.indexOf(";",deb);
         if (fin < 0)
			{
				fin = document.cookie.length;
			}
         return unescape(document.cookie.substring(deb,fin));
         }
      return "";
}
  

function cre_cook(nom,contenu,jours)
{
      var expireDate = new Date();
      expireDate.setTime(expireDate.getTime() + jours*24*3600*1000);
      document.cookie = nom + "=" + escape(contenu) + ";expires=" + expireDate.toGMTString();
}
   
function Affich()
{
	if(lit_cook("expliq_zoom")!="1")
	{
		cre_cook("expliq_zoom","1",1);
	}
	else
	{
		document.getElementById("pnlSourisMsg").style.display='none';
	}
}