function divbarHover(color) {
	document.getElementById('divbar').style.backgroundColor = color;
}

function checkCookie() {
	if (fSize != '') {
		document.getElementsByTagName('body')[0].style.fontSize = fSize + 'em';
	} else {
		fSize = '1';
		setCookie();
	}
}

function setCookie() {
	var expires = '';

	if (expiredays != 0) {
		var c_date = new Date();
		c_date.setDate(c_date.getDate() + expiredays);
		expires = ';expires=' + c_date.toGMTString();
	}
	document.cookie = 'fSize=' + fSize + expires;
}

function getCookie(c_name) {
	if (document.cookie.length > 0) {
		var c_start = document.cookie.indexOf(c_name + '=');
		if (c_start != -1) { 
			c_start = c_start + c_name.length + 1; 
			var c_end = document.cookie.indexOf(';', c_start);
			if (c_end == -1) c_end = document.cookie.length;
			return unescape(document.cookie.substring(c_start, c_end));
		} 
	}
	return '';
}

function changeFontSize() {
	fSize = (fSize != '1.25' ? '1.25' : '1');
	setCookie();
	document.getElementsByTagName('body')[0].style.fontSize = fSize + 'em';
}

function deleteCookie() {
	cc = getCookie('fSize');
	if (cc != '') {
		document.cookie = 'fSize=';
		fSize = '';
		document.getElementsByTagName('body')[0].style.fontSize = '1em';
	}
}

var expiredays = 60*60*24*365;
var fSize = getCookie('fSize');