function ferretTkwSubmit(kw) {
 kw = encodeURIComponent(kw);
 document.getElementById('tkwsearch1').kw.value = kw;
 document.getElementById('tkwsearch1').submit();
}

function freeAnalyze () {
 document.getElementById('url_2').disabled = true;
 document.getElementById('url_3').disabled = true;
 document.getElementById('url_4').disabled = true;
 document.getElementById('url_5').disabled = true;
}

function payAnalyze () {
 document.getElementById('url_2').disabled = false;
 document.getElementById('url_3').disabled = false;
 document.getElementById('url_4').disabled = false;
 document.getElementById('url_5').disabled = false;
}