/* from Netscape Sidebar Developer's Guide */
function enableSidebar(server,url) { 
	if ((typeof window.sidebar == "object") &&
			(typeof window.sidebar.addPanel == "function")) { 
		window.sidebar.addPanel (server,url,""); 
	}  else  { 
		var rv = window.confirm("Sidebar je určen pouze pro prohlížeč " +
				"Mozilla nebo kompatibilní. " +
				"Chcete si stáhnout Mozillu?"); 
		if (rv) 
			document.location.href = "http://www.mozilla.org/";
	} 
}