<SCRIPT LANGUAGE="JavaScript1.2">
function FormumB(F,G)
{
return F.DegistirB.value = G.value;
}
</SCRIPT>
<Form>
<Input Name="DegistirB" Type="text" Value="Ilk Deger" Size="20">

<Input Name="Radyo1" OnClick="return FormumB(this.form,this)" Size="20" Type="Radio" value="A'yi Seçtiniz"> A sikki
<Input Name="Radyo2" OnClick="return FormumB(this.form,this)" Size="20" Type="Radio" value="B'yi Seçtiniz"> B Sikki
</Form>