function readCookie(name) {
	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);
	alert("erased!");
}

function signOnOrOff(word, word2) {
	var user = readCookie('shortterm');
	var user2 = readCookie('longterm');
	
	if(user || user2) {
		document.writeln("<a href='/signoff.php' class='toollinks'>Logout</a>");
	} else {
		document.writeln("<a href='/cgi/mainsignon' class='toollinks'>Login</a>");
	}
}