function setActiveFontSize(size) {
  	var a = parseInt(document.body.style.fontSize);
  	document.body.style.fontSize = size + "px";
	
	var cell = null;
	for (var i = 10; i < 20; i = i + 2) {
		cell = document.getElementById("s"+i);
		if (i == size) {
			cell.className = "active";	
		} else {
			cell.className = "size";
		}
	}
}
function setDefaultFontSize(size) {
  	document.body.style.fontSize = size + "px";
	
	var cell = null;
	for (var i = 10; i < 19; i = i + 2) {
		cell = document.getElementById("s"+i);
		if (typeof cell != "undefined" && cell != null) {
			if (i == size) {
				cell.className = "active";	
			} else {
				cell.className = "size";
			}
		}
	}
}
function getActiveFontSize(size) {
	return parseInt(document.body.style.fontSize);
}
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 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 pageOnLoad() {
  	var cookie = readCookie("barnabasFontSize");
  	var size = (isNaN(cookie) && cookie != null) ? 14 : cookie;
  	setDefaultFontSize(size);
}
window.onunload = function(e) {
  	var size = getActiveFontSize();
  	createCookie("barnabasFontSize", size, 365);
};