function addSidebar() {
	if (document.all) {
		if (navigator.userAgent.indexOf("Opera") == -1) {
			window.alert ("Your browser does not support sidebar!\nYou must use Mozilla/Firefox/Nescape or Opera.");
			return false;
		}
	}
	else {
		if ((typeof window.sidebar == "object") && (typeof window.sidebar.addPanel == "function")) {
			window.sidebar.addPanel ("Chel-PP.net.RU","http://chel-pp.net.ru/en/news/moz/","");
			return false;
		}
	}
}