var cookieWert;
var check_name = 'LayoutPreference';

	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookieWert = '';
	var b_cookie_found = false; 
	
	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		
		a_temp_cookie = a_all_cookies[i].split( '=' );
		
		
		
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
	
		
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			
			if ( a_temp_cookie.length > 1 )
			{
				cookieWert = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			
			
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	
var cookieexpire = new Date();
cookieexpire = new Date(cookieexpire.getTime() +1000*60*60*24*365);

var layoutdir;

if (cookieWert == 'Night') {
  document.write("<link rel='stylesheet' type='text/css' href='cssnight.css'>");
  var layoutdir = 'night';
  } 
if (cookieWert == 'Day') {
  document.write("<link rel='stylesheet' type='text/css' href='cssday.css'>");
  var layoutdir = 'day';
  }
if ((cookieWert != 'Day') && (cookieWert != 'Night')) {
var Zeit = 'Tag';
var jetzt = new Date();
var Std = jetzt.getHours();
if ((Std >= 20 && Std <= 23) || (Std >= 0 && Std < 6)) {
  var Zeit = 'Nacht';
} 
if (Zeit == 'Nacht') {
  document.write("<link rel='stylesheet' type='text/css' href='cssnight.css'>");
  var layoutdir = 'night';
  }
else {
  document.write("<link rel='stylesheet' type='text/css' href='cssday.css'>");
  var layoutdir = 'day';
  }
}

function LayoutChange (Preference) {
if (Preference == 'Day') {
  document.cookie = 'LayoutPreference=Day; expires='+cookieexpire.toGMTString()+';';
  window.location.href=window.location.href;
}
if (Preference == 'Night') {
  document.cookie = 'LayoutPreference=Night; expires='+cookieexpire.toGMTString()+';';
  window.location.href=window.location.href;
}
if (Preference == 'Auto') {
  document.cookie = 'LayoutPreference=Auto; expires='+cookieexpire.toGMTString()+';';
  window.location.href=window.location.href; 
}
}

function Layout_Info() {
alert("Auto mode selects the site layout dynamically\n  in dependance of your local time\n\nFrom 6 to 20 o\'clock the day version is displayed,\n then the night version.\n\nYour browser must accept a cookie from\n  www.theme-oasis.org to remember your settings.");
}