var url = "http://"+location.hostname+"/"; 
var title = "artNEXX - Künstler und Agenturen aus allen Genres"; 
function bookmarksite(){
    if (window.sidebar) { }// firefox
    else if(window.opera && window.print){ }// opera
    else if(document.all) window.external.AddFavorite(url, title); // ie
    return false;
}
if (document.all)  { // IE
    document.write('<a class="ob_site2" href="javascript:void(0)" onclick="javascript:bookmarksite();">Zu Favoriten hinzufügen</a>');
} else if ( window.sidebar || (window.opera && window.print)) {  // Opera & Firefox
    document.write('<a class="ob_site2" rel="sidebar" title="'+title+'" href="'+url+'" onclick="javascript:bookmarksite();">Lesezeichen hinzufügen</a>');
}