function getCookie(name) {
	var dc = document.cookie;
	var prefix = name + "=";
	var begin = dc.indexOf("; " + prefix);
	if (begin == -1) {
		begin = dc.indexOf(prefix);
		if (begin != 0)
			return null;
			
	} else
		begin += 2;
	
	var end = document.cookie.indexOf(";", begin);
	if (end == -1)
		end = dc.length;
	return unescape(dc.substring(begin + prefix.length, end));
}

function setCookie(name, value, expires, path, domain, secure) {
	document.cookie = name + '=' + escape(value) +
		((expires) ? '; expires=' + expires : '') +
		((path)    ? '; path='    + path    : '') +
		((domain)  ? '; domain='  + domain  : '') +
		((secure)  ? '; secure'             : '');
}

function setFontSize(size) {
	setCookie('fontsize', size, '', '/');
	switch (size) {
		case 1:
			document.body.className = "";
			break;

		case 2:
			document.body.className = "bigger";
			break;

		case 3:
			document.body.className = "biggest";
			break;
	}
	return false;
}

function checkFontSize() {
	cook = parseInt(getCookie("fontsize"));
	cook ? setFontSize(cook) : setFontSize(1);
	return false;
}