function bookmark()
{
	var url=document.location.href;
	var title=document.title;
	
	if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) 
	{
		window.external.AddFavorite(url,title);
	}
	else if (navigator.appName == "Netscape") 
	{
		window.sidebar.addPanel(title,url,"");
	}
	else 
	{
		alert("Verwenden Sie bitte die Bookmark Funktion Ihres Browsers.");
	}
}