function checkForLoginCookie() {
	var allcookie = document.cookie;
	var lindex = allcookie.indexOf("loggedin=");
	var semindex = allcookie.indexOf(";",lindex);
	if (lindex < 0) {
		return 0;
	}
	else {
		if (semindex < 0) {
			logname = allcookie.substring(lindex + 9, allcookie.length);
		}
		else {
			logname = allcookie.substring(lindex + 9, semindex - 1);
		}
		return logname;
	}
}