function openSitemap(lang){
	var url = '../sitemap.php?lang='+lang;
	var wh = window.open(url,'sitemap','width=300,height=450,resizable=yes,scrollbars=yes,status=yes');
	if( !wh ){
		return true;
	}else{
		wh.focus();
		return false;
	};
}


function openRecommend(lang){
	var url = '../weiterempfehlen.php?lang='+lang+'&refUrl='+escape(window.location.href);
	var wh = window.open(url,'recommend','width=400,height=440,status=yes,resizable=no');
	if( !wh ){
		return true;
	}else{
		wh.focus();
		return false;
	};
}