// create cookie expiration date
expdate = new Date();
expdate.setTime( expdate.getTime() + 864000000 );	// 100 days

function setHandlers () {
	deleteCookie( 'PreferredLanguage' );
	
	// -- find language links --
	var as = document.getElementById('languages').getElementsByTagName('a');
	for ( var i = 0; i < as.length; i++ ) {
		var a = as[i];
		a.onclick = setLanguage;
		a.onmouseover = changeCheckText;
	}
}

function setLanguage () {
	if ( document.getElementById('savelang').checked ) {
		setCookie( 'PreferredLanguage', this.id, expdate );
	}
	return true;
}

function changeCheckText () {
	var span = document.getElementById('savelangtext');
	switch ( this.id ) {
		case 'cz':
			span.innerHTML = 'Uložit';
			break;
			
		case 'de':
			span.innerHTML = 'Meine Einstellung sichern';
			break;
			
		case 'en':
			span.innerHTML = 'Save my preference';
			break;
			
		case 'es':
			span.innerHTML = 'Guardar mis preferencias';
			break;
		
		case 'fi':
			span.innerHTML = 'Tallenna valintani';
			break;
		
		case 'nl':
			span.innerHTML = 'Mijn instelling opslaan';
			break;
		
		case 'fr':
			span.innerHTML = 'sauver mes préférences';
			break;
		
		case 'it':
			span.innerHTML = 'Salva favorita';
			break;
			
		case 'no':
			span.innerHTML = 'Spara mitt valg';
			break;
			
		case 'pl':
			span.innerHTML = 'Zapami&#281;taj moje preferencje';
			break;
			
		case 'pt':
			span.innerHTML = 'Guardar minhas preferências';
			break;
			
		case 'se':
			span.innerHTML = 'Spara mitt val';
			break;
			
		default:
			span.innerHTML = 'not yet available';
			break;
	}
}

// Cookie functions from http://www.netspade.com/articles/javascript/cookies.xml

/**
 * Sets a Cookie with the given name and value.
 *
 * name       Name of the cookie
 * value      Value of the cookie
 * [expires]  Expiration date of the cookie (default: end of current session)
 * [path]     Path where the cookie is valid (default: path of calling document)
 * [domain]   Domain where the cookie is valid
 *              (default: domain of calling document)
 * [secure]   Boolean value indicating if the cookie transmission requires a
 *              secure transmission
 */
function setCookie(name, value, expires, path, domain, secure)
{
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
function getCookie(name)
{
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

/**
 * Deletes the specified cookie.
 *
 * name      name of the cookie
 * [path]    path of the cookie (must be same as path used to create cookie)
 * [domain]  domain of the cookie (must be same as domain used to create cookie)
 */
function deleteCookie(name, path, domain)
{
    if (getCookie(name))
    {
        document.cookie = name + "=" + 
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}