var URL = 'http://www.pflanzen.biz';
var Text = 'Pflanzen - Garten - Blumen - Alles wird gruen!';

var navName = navigator.appName ;
var brVer = navigator.userAgent; var brNum; var reg = new RegExp('/');

function verNumIE()
{
	var brVerId = brVer.indexOf('MSIE');
	brNum = brVer.substr(brVerId,8);
}

function verNumOt()
{
	var brVerId = brVer.search(reg);
	brNum = brVer.substring(brVerId+1);
}

function Lesezeichen()
{
	if (navigator.appName == 'Microsoft Internet Explorer')
	{
		verNumIE();
	}
	else
	{
		verNumOt();
	}
	
	if (navName == 'Netscape')
	{
		// firefox
		window.sidebar.addPanel(Text,URL, "");
	}
	else if(navName == 'Microsoft Internet Explorer')
	{
		// ie
		window.external.AddFavorite(URL,Text);
	}
	else alert('Klicken Sie Strg+D');
}