// begin: stylesheet_switcher.js

function setStyle() {
	var style = readCookie("page_style");
	if (style != null) {
		// alert('style = '+style)
		setActiveStyleSheet(style, 0);
	}
}

function setActiveStyleSheet(title, reset) {
	var i, a, main;
	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;
				// alert('set style: '+title)
			}
		}
	}
	if (reset == 1) {
		createCookie("page_style", title, 365);
	}
}

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+"="+escape(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 unescape(c.substring(nameEQ.length,c.length));
	}
	return null;
}

if (!document.getElementById) {
	document.getElementById = function() { return null; }
}

setStyle();

// end: stylesheet_switcher.js