function checkvote() {

var d=document;
var o=d.fvote;

(d.getElementById('anot'))?(an=true):(an=false);
(d.getElementById('another'))?(ch=d.getElementById('another').checked):(ch=false);

for(var i=0;i<o.elements.length;i++){

ot=o.elements[i].type
if(ot=='radio' || ot=='checkbox') {
on=o.elements[i].id;
if(o.elements[i].checked==true) {
d.getElementById('bid').disabled=false; 
break;
}
else d.getElementById('bid').disabled=true; 
 if (an) {
  anot=d.getElementById('anot');
  if (ch) (anot.disabled=false);
  else {anot.value=''; anot.disabled=true;}; 
}   
}
}
if (d.getElementById('bid').value=='проголосовано') d.getElementById('bid').disabled=true; 
}
function stat_listener(o){
var d=document;
for(var i=0;i<o.elements.length;i++){
ot=o.elements[i].type
if(ot=='checkbox' || ot=='radio') {
if(o.elements[i].addEventListener){o.elements[i].addEventListener("click",checkvote,false)}
else if(o.elements[i].attachEvent){o.elements[i].attachEvent("onclick",checkvote)}

}
}
}
stat_listener(document.fvote)