function getCookieVal(offset) {
    var endstr=document.cookie.indexOf (";", offset);
	if (endstr==-1) 
		endstr=document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}
	
function EcrireCookie(nom,valeur,expires,path,domain,secure) {
	document.cookie=nom+"="+escape(valeur)+	((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
	((path==null) ? "" : ("; path="+path))+	((domain==null) ? "" : ("; domain="+domain))+ ((secure==true) ? "; secure" : "");
}

function LireCookie(nom) {
	var arg=nom+"=";
	var alen=arg.length;
	var clen=document.cookie.length;
	var i=0;
	while (i<clen) {
		var j=i+alen;
		if (document.cookie.substring(i, j)==arg) 
			return getCookieVal(j);
		i=document.cookie.indexOf(" ",i)+1;
		if (i==0) 
			break;
	}
	return null;
}
	
// Popup inscription Newsletter
function confirmExitSite() {
	if (LireCookie("newletterInscriptionShow") == null) {
		newsletterPopper = window.open('newsletter_inscription.php', 'newsletter', 'width=450,height=280,scrollbars=no');
		newsletterPopper.blur();
		duree_cookie = 1825;         // durée de vie du cookie en jours
		expiration = new Date();    // date et heure courante en format texte
		expiration.setTime(expiration.getTime() + (duree_cookie * 24*60*60*1000));
		EcrireCookie("newletterInscriptionShow", "no",expiration,"/",null,false);
		window.opener.focus(); 
	}
	return void(0);
}

function Check_all(container_id,state) {
	var checkboxes = document.getElementById(container_id).getElementsByTagName('input');
	for (var i=0;i<checkboxes.length;i++) {
		if(checkboxes[i].type == 'checkbox') {
			checkboxes[i].checked = state;
		}
	}
	return true;
}