function setActiveStyleSheet(title){
	var tags = document.getElementsByTagName("link");
	var type, i, a;
	for(i = 0; i < tags.length; i++){
		a = tags[i];
		if(title){
			if(title.indexOf("fontSize") != -1){
				type = "font";
			}
			if(title.indexOf("toggle") != -1){
				type = "toggle";
			}
			if(type == "toggle"){
				if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && a.getAttribute("title").indexOf("toggle") != -1){
					a.disabled = true;
					if(a.getAttribute("title") == title){
						a.disabled = false;
					}
				}
			}

			if(type == "font"){
				if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && a.getAttribute("title").indexOf("fontSize") != -1){
					a.disabled = true;
					if(a.getAttribute("title") == title){
						a.disabled = false;
					}
				}
			}
		}
	}
}

function getActiveToggle(){
	var tags = document.getElementsByTagName("link");
	var i, a;
	for(i = 0; i < tags.length; i++){
		a = tags[i];
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && a.getAttribute("title").indexOf("toggle") != -1 && !a.disabled){
			return a.getAttribute("title");
		}
	}
}

function getActiveFont(){
	var tags = document.getElementsByTagName("link");
	var i, a, title;
	for(i = 0; i < tags.length; i++){
		a = tags[i];
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && a.getAttribute("title").indexOf("fontSize") != -1 && !a.disabled){
			return a.getAttribute("title");
		}
	}
}

function changeFontSize(arg){
	var title, y;
	var title = getActiveFont();
	var x = title.split("fontSize")[1];
	var direction = arg.split("fontSize")[1];
	if(direction == "Up"){
		if(x >= 4){
		x = 3;
		}
		y = "fontSize" + (parseInt(x) + 1);
	}
	if(direction == "Down"){
		if(x < 1){
			x = 1;
		}
		else{
		y = "fontSize" + (parseInt(x) - 1);
		}
	}
	setActiveStyleSheet(y);
}

function getPreferredStyleSheet(){
	var tags = document.getElementsByTagName("link");
	var type, i, a;
	for(i = 0; i < tags.length; i++){
		a = tags[i];
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("rel").indexOf("alt") == -1 && a.getAttribute("title")){
			return a.getAttribute("title");
		}
	}
}

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;
}

window.onload = function(e) {
var cookie = readCookie("style");
if(cookie){
var cookiesp = cookie.split('|');
var toggle = cookiesp[0];
var font = cookiesp[1];
setActiveStyleSheet(toggle);
setActiveStyleSheet(font);
}
else{
setActiveStyleSheet(getPreferredStyleSheet());
}
}

window.onunload = function(e){
var toggle = getActiveToggle();
var font = getActiveFont();
if(font == undefined){
font = null;
}
else{
font = font;
}
var titles = toggle+"|"+font;
createCookie("style", titles, 365);
}

var cookie = readCookie("style");
if(cookie){
var cookiesp = cookie.split('|');
var toggle = cookiesp[0];
var font = cookiesp[1];
setActiveStyleSheet(toggle);
setActiveStyleSheet(font);
}
else{
setActiveStyleSheet(getPreferredStyleSheet());
}

function getPrintURL(){
	url = document.location;
	printURL = url + '\/?print';
	window.location = printURL;
}