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 rememberFontSize(divname,myFontsize) {
	var cookie = readCookie('restor-fontsize');
	var cookieout = '';
	if (cookie) {
		var divs = cookie.split('~');
		for (var i=0; i<divs.length;i++) {
			var pairs = divs[i].split('|');
			if (pairs[0] == divname) {
				cookieout += divname+'|'+myFontsize+'~';
			} else if (pairs[0] && pairs[0] != 'undefined') {
				cookieout += pairs[0]+'|'+pairs[1]+'~';
			}
		}
	} else {
		cookieout = divname+'|'+myFontsize+'~';
	}
	createCookie('restor-fontsize',cookieout,365);
}


function setfont(cookieName,divname) {
	var cookieval = readCookie(cookieName);
	if (cookieval) {
		var divs = cookieval.split('~');
		var pairs = divs[0].split('|');
		if (pairs[1] != document.getElementById(divname).style.fontSize) {
			if (pairs[0] == divname) {
				step = pairs[1].slice(0,3);
				fontScale(pairs[0],step);
			}
		} 
	}
}

function fontScale(divname,step) {
	var div = document.getElementById(divname);
	if (!div) return;
	var myFontsize = div.style.fontSize;
	if (!myFontsize) {
		myFontsize = "1.1em";
	}
	myFontsize = parseFloat(myFontsize);
	myFontsize = step;
	myFontsize += "em";
	rememberFontSize(divname, myFontsize);
	div.style.fontSize = myFontsize;
}


// opti-free update 12/14/10