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 path = '/';
	//var domain = (argc>4)? argv[4] : null;
	var domain = 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;
	var lstFonds=null;
	while(i<clen){
		var j = i+alen;
		if(document.cookie.substring(i,j)==arg){
			if(lstFonds==null){
				lstFonds = getCookieVal(j);
			}else{
				lstFonds = lstFonds+getCookieVal(j);
			}
		}
		i=document.cookie.indexOf(" ",i)+1;
		if(i==0) break;
	}
	if(lstFonds!=null){
		return lstFonds;
	}
	return null;
	
}

function EffaceCookie(nom){
	date = new Date;
	date.setFullYear(date.getFullYear()-1);
	EcrireCookie(nom, null,date);
}