Indonesia
<skrip bahasa="javascript"> fungsi check(){ s.disabled=(t1.value==""||t2.value==""||t3.value=="") } </skrip> < masukan nama="t1" onpropertychange="check()" /> <input nama="t2" onpropertychange="check()" /> <input nama="t3" onpropertychange="check()" /> <jenis masukan ="kirim" nama="s" dinonaktifkan="dinonaktifkan" />