// Copyright (c) 1996-1997 Athenia Associates.
// http://www.webreference.com/js/
// License is granted if and only if this entire
// copyright notice is included. By Tomer Shiran.

// name - name of the cookie
// value - value of the cookie
// [expires] - expiration date of the cookie (defaults to end of current session)
// [path] - path for which the cookie is valid (defaults to path of calling document)
// [domain] - domain for which the cookie is valid (defaults to domain of calling document)
// [secure] - Boolean value indicating if the cookie transmission requires a secure transmission
// * an argument defaults when it is assigned null as a placeholder
// * a null placeholder is not required for trailing omitted arguments
function setCookie(name, value, expires, path, domain, secure) {
    var curCookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
    document.cookie = curCookie;
}

// name - name of the desired cookie
// * return string containing value of specified cookie or null if cookie does not exist
function getCookie(name) {
    var prefix = name + "=";
    var cookieStartIndex = document.cookie.indexOf(prefix);
    if (cookieStartIndex == -1)
        return null;
    var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length);
    if (cookieEndIndex == -1)
        cookieEndIndex = document.cookie.length;
    return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex));
}

// 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)
// * path and domain default if assigned null or omitted if no explicit argument proceeds
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"
             };
}

// Creating a bookmark entry
function addBookmark(name, url) {
    if (ie5) {
        // IE
        window.external.AddFavorite(url, name);
    } else if (window.sidebar) {
        // Mozilla & related
        window.sidebar.addPanel(name, url+'sidebar.html', "");
    } else {
        alert("Nem támogatott böngésző - Kérjük használja a böngészője megfelelő funkcióját!");
    }
}

// Setting the startpage
function setStartPage(obj, url) {
    if (ie5) {
        obj.style.behavior = 'url(#default#homepage)';
        obj.setHomePage(url);
    } else {
        alert('Az automatikus beállítást nem támogatja a böngészője.\nKérjük, a böngésző beállításai között állítsa be a '+url+' oldalt kezdőlapként!');
    }
}

function setLang(lang, no_alert, redirect) {
	var ed = new Date;
	ed.setTime(ed.getTime() + (10 * 365 * 24 * 60 * 60 * 1000));
	var old_lang = getCookie('lang');
	if (old_lang == lang) return;
	setCookie('lang', lang, ed, '/', window.location.hostname, '');
	var new_lang = getCookie('lang');
//	if (new_lang == lang) {
		if (redirect == null) {
			window.location.reload();
		} else {
			window.location = redirect + '?lang=' + lang;
		}
//	} else if (!no_alert) {
//		if (lang == 'hu') {
//			alert('A nyelvváltás funkció eléréséhez, kérjük, engedélyezze a sütik (cookie) beállításának lehetőségét böngészőjében!');
//		} else if (lang == 'en') {
//			alert('To make language selection feature available, please enable cookie setting for this site in your browser!');
//		} else if (lang == 'de') {
//			alert('!! Német szöveg a cookie-k engedélyezéséhez !!');
//		}
//	}
}