function printPage(URL){
	FENSTER = window.open(URL, "Druckansicht", "menubar=yes,status=no,resizable=yes,scrollbars=yes,width=600,height=600");
	return false;
}

function setUpStyleSheet() {
	var cookie = readCookie("style");
	var title = cookie ? cookie : getPreferredStyleSheet();
	
	var up = null;
	switch(title) {
		case "font01":
			up = null;
			break;
		case "font11":
			up = "font12";
			break;
		case "font12":
			up = "font12";
			break;
		case null:
		default:
			up = "font11";
	}
	setActiveStyleSheet(up);
	createCookie("style", up, 365);
	
	return null;
}

function setDownStyleSheet() {
	var cookie = readCookie("style");
	var title = cookie ? cookie : getPreferredStyleSheet();

	var down = null;
	switch(title) {
		case "font01":
			down = "font01";
			break;
		case "font11":
			down = null;
			break;
		case "font12":
			down = "font11";
			break;
		case null:
		default:
			down = "font01";
	}
	setActiveStyleSheet(down);
	createCookie("style", down, 365);

    return null;
}

function setActiveStyleSheet(title) {
	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;
		}
	}
}

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;
}

window.onunload = function(e) {
	var cookie = readCookie("style");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
}

window.onload = function(e) {
	var title = getActiveStyleSheet();
	createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);