/**
* 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() {
        switchStylestyle(this.getAttribute("rel"));
        return false;
    });
    var c = readCookie('Accessibility');
    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('Accessibility', 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