function EcrireCookie(nom, valeur)
{
	var argv=EcrireCookie.arguments;
	var argc=EcrireCookie.arguments.length;
	var expires=(argc > 2) ? argv[2] : null;
	var path=(argc > 3) ? argv[3] : null;
	var domain=(argc > 4) ? argv[4] : null;
	var secure=(argc > 5) ? argv[5] : false;
	document.cookie=nom+"="+escape(valeur)+
	((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
	((path==null) ? "" : ("; path="+path))+
	((domain==null) ? "" : ("; domain="+domain))+
	((secure==true) ? "; secure" : "");
}

function getCookieVal(offset)
{
	var endstr=document.cookie.indexOf (";", offset);
	if (endstr==-1) endstr=document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

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;
}

function close_pub () {
	tb_remove();
}

function nb_aleatoire(){
	var nombre = Math.floor(Math.random() * 100)+1;
	return nombre;
} 
/*
$(document).ready(function(){
	if(LireCookie("enquetes")!="oui"){
		if(nb_aleatoire()>70){
			EcrireCookie("enquetes", "oui", null, "/");
			//actions a excuter
			tb_show("","http://enquetes.vacances-krusoe.com/?KeepThis=true&TB_iframe=true&width=600&height=550","");
		};
	};
});
*/