function createCookie(name,value,days) {
	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=/";
}

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);
}

function defaultText() {
	defaultFont = readCookie('fontsizesetting');
	document.getElementById('content').style.fontSize = defaultFont;
}

function hugeText() {
	eraseCookie('fontsizesetting');
	document.getElementById('content').style.fontSize = '2.2em';
	createCookie('fontsizesetting','2.2em',31);
}

function bigText() {
	eraseCookie('fontsizesetting');
	document.getElementById('content').style.fontSize = '1.8em';
	createCookie('fontsizesetting','1.8em',31);
}

function mediumText() {
	eraseCookie('fontsizesetting');
	document.getElementById('content').style.fontSize = '1.4em';
	createCookie('fontsizesetting','1.4em',31);
}

function normalText() {
	eraseCookie('fontsizesetting');
	document.getElementById('content').style.fontSize = '1.0em';
	createCookie('fontsizesetting','1.0em',31);
}

function smallText() {
	eraseCookie('fontsizesetting');
	document.getElementById('content').style.fontSize = '0.6em';
	createCookie('fontsizesetting','0.6em',31);
}