function createCookie(name,value,days) {
	//setTimeout("window.status .= 'readCookie("+name+")=="+value+"';",400);
	//if(value == readCookie(name)) return;
	//setTimeout("window.status .= 'createCookie("+name+","+value+","+days+");';",500);
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = " expires="+date.toGMTString()+"; ";
	}
	else var expires = "";
	document.cookie = name+"="+value+"; "+expires+" path=/";
	alert("set COOKIE "+name+"="+value);
}

function readCookie(name) {
	alert(document.cookie);
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}