// Gestió de cookies

var expDays = 30;
var exp = new Date();
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));

function getCookieVal (offset) {
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1)
	endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
	var j = i + alen;
	if (document.cookie.substring(i, j) == arg)
	return getCookieVal (j);
	i = document.cookie.indexOf(" ", i) + 1;
	if (i == 0) break;
	}
	return null;
}

function SetCookie (name, value) {
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = name + "=" + escape (value) +
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
	((path == null) ? "" : ("; path=" + path)) +
	((domain == null) ? "" : ("; domain=" + domain)) +
	((secure == true) ? "; secure" : "");
}

function DeleteCookie (name) {
	var exp = new Date();
	exp.setTime (exp.getTime() - 1);
	var cval = GetCookie (name);
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}
/*
var favorite = GetCookie('tamany');

if (favorite != null) {
	document.getElementById('tot').className=favorite;
}

var favorite1 = GetCookie('ntamany');

if (favorite1 != null) {
	var tamanyactual = favorite1;
}
*/


//Gestió del tamany

var mida_actual = GetCookie('ntamany');
var minsize=9;
var maxsize=14;


if (mida_actual== null){
	mida_actual=11;
}

function Igualtexto(div){
	var divID = document.getElementById(div);
	divID.style.fontSize = mida_actual+"px";
	prova=mida_actual;
	prova++
	prova++
	prova++
	divID.style.lineHeight = prova+"px";
	SetCookie('ntamany', mida_actual, exp);
}
function Mastexto(div){
	mida_actual++;
	if (mida_actual > maxsize) {
		mida_actual = maxsize
	}
	var divID = document.getElementById(div);
	divID.style.fontSize = mida_actual+"px";
	prova=mida_actual;
	prova++
	prova++
	prova++
	divID.style.lineHeight = prova+"px";
	SetCookie('ntamany', mida_actual, exp);
}

function Menostexto(div) {
	mida_actual--;
	if (mida_actual < minsize) {
		mida_actual = minsize
	}
	var divID = document.getElementById(div);
	divID.style.fontSize = mida_actual+"px";
	prova=mida_actual;
	prova++
	prova++
	prova++
	divID.style.lineHeight = prova+"px";
	SetCookie('ntamany', mida_actual, exp);
}

/*<body onload="Igualtexto('div_principal')">
<div id="div_principal">
*/