function agree() {
	if  (document.form.ok.checked == true) {
		 	document.form.go.disabled = false;
		} else {
		 	document.form.go.disabled = true;
		}
}

function blokuj_input () {
 if (document.form.plec[0].checked == true) {
  document.form.biust.disabled = false;
  document.form.talia.disabled = false;
  document.form.biodra.disabled = false;
  document.form.pas.disabled = true;
  document.form.klatka.disabled = true;
 } else {
  document.form.biust.disabled = true;
  document.form.talia.disabled = true;
  document.form.biodra.disabled = true;
  document.form.pas.disabled = false;
  document.form.klatka.disabled = false;
 }
}