function setActiveStyleSheet(title) {
	var i, a, main;
	if (title) {
		for (i = 0; (a = document.getElementsByTagName('link')[i]); i++) {
			if (
				a.getAttribute('rel').indexOf('style') != -1
				&& a.getAttribute('title')
			) {
				a.disabled = true;
				if (a.getAttribute('title') == title) a.disabled = false;
			}
		}
	}
}

function getActiveStyleSheet() {
	var i, a;
	for (i = 0; (a = document.getElementsByTagName('link')[i]); i++) {
		if (
			a.getAttribute('rel').indexOf('style') != -1
			&& a.getAttribute('title') && !a.disabled
		) return a.getAttribute('title');
	}
	return null;
}

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

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 eraseCookie(name) {
	createCookie(name, '', -1);
}

function setFontSize(fontVal) {
	var fontSet = document.getElementById('fontSet');
	var docBase = new Array(); docBase = document.getElementsByTagName('body');
	if (!fontVal) {fontVal = document.getElementById('fontSet').value;}
	var docSize = fontVal+'px';
	createCookie('gryphonshafer-baseTextSize', fontVal, 365);
	docBase[0].style.fontSize = docSize;
	if (fontSet) {fontSet.value = fontVal;}
}

window.onload = function(e) {
	var cookie = readCookie('gryphonshafer-themeName');
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
	var cookie2 = readCookie('gryphonshafer-baseTextSize');
	if (cookie2) {setFontSize(cookie2);}
}

window.onunload = function(e) {
	var title = getActiveStyleSheet();
	createCookie('gryphonshafer-themeName', title, 365);
}