Please HElp me URGENT

[admin]

how can i disabled all option button
for example

function kosul2(){
d1 = document.form1;
if(d1.diger1cek.checked == true){
d1.diger1.disabled = false;
d1.birinci.checked = false;

} else {
d1.diger1.disabled = true;


i need a "birinci" option buttons disabled..but doesn't work.


help me..