window.addEvent('domready',function() {
    var el = $$('#suche input.feld')[0];
    if($chk(el)) {
        var misc = el.value;
        el.addEvents({
            'focus': function() { if(el.value == misc) el.value = ''; },
            'blur': function() { if(el.value.trim() == '') el.value = misc; }
        });
    };
});