function setStyle(st) {
	var links = new Array();
	var t;
	links = document.getElementsByTagName('link');
	for (i =0; i < links.length; i++) {
		if ((links[i].getAttribute('rel').indexOf('stylesheet') != -1) && (t=links[i].getAttribute('title'))) {
			links[i].disabled = true;
			if (t==st) {
				links[i].disabled = false;
				document.cookie = "katchablogStyle=" + t;
			}
		}
	}
}

function getStyle() {
	var cookies = document.cookie;
	var cookieStartPosition = cookies.indexOf('katchablogStyle');
	var styleName = cookies.substring(cookieStartPosition + 16, cookies.indexOf(';', cookieStartPosition + 16));
	if (styleName == null || styleName == '') {
		setStyle('green');
	}
	else {
		setStyle(styleName);
	}
}