/**
* Styleswitch stylesheet switcher built on jQuery
* Under an Attribution, Share Alike License
* By Kelvin Luck ( http://www.kelvinluck.com/ )
**/

$(document).ready(function () {

	$('#styleswitch').click(function () {

		var cookieStyle = readCookie('style');
		if (cookieStyle)
			switchStylestyle(cookieStyle == 'styles2' ? 'styles1' : 'styles2');
		else
			switchStylestyle('styles2');

		return false;
	});

	var c = readCookie('style');
	if (c) switchStylestyle(c);
});

function switchStylestyle(styleName) {

	$('link[@rel*=style][title]').each(function (i) {
		this.disabled = true;
		if (this.getAttribute('title') == styleName) this.disabled = false;
	});
	createCookie('style', styleName, 365);
};

// cookie functions http://www.quirksmode.org/js/cookies.html
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 var 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);
};
// /cookie functions

function changeVisibility(visibleId, hiddenId) {
	$('#' + hiddenId).css('display', 'none');
	$('#' + visibleId).css('display', 'block');
};