var sck = 0;

function ScanCookie(variable){
	cook = window.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(2020,01,01);
		dateExp = dateExp.toGMTString();
		ifpermanent = '; expires=' + dateExp + ';';
	}else ifpermanent = '';
	window.document.cookie = nom + '=' + escape(valeur) + ifpermanent;
}

function OpenPU(){
	if(ScanCookie("_stillPU")==0){
		var anch = document.getElementsByTagName('a'); 
		for (var i = 0; i < anch.length; i++) { 
			if (!anch[i].onclick) { 
				anch[i].onclick = popupfunction; 
			} 
		} 
		document.onclick = popupfunction;
	}else if(ScanCookie("_stillPU2")==0){
		var anch = document.getElementsByTagName('a'); 
		for (var i = 0; i < anch.length; i++) { 
			if (!anch[i].onclick) { 
				anch[i].onclick = popupfunction2; 
			} 
		} 
		document.onclick = popupfunction2;
	}
}