tw-sack и radio

function votea(){
	ajax.reset();
	var form = document.getElementById("votes");
	selectedItem=document.votes.v;
      
       if (selectedItem) {
           if (selectedItem.length) {
               for (i = 0; i<selectedItem.length; i++) {
                   if (selectedItem[i].checked) {
                       ajax.setVar("fo",  selectedItem[i].value);
                   if (selectedItem[i].value > 0) {
                        
                       }
                   }
               }
           } else if (selectedItem.checked) {
             	ajax.setVar("fo",  selectedItem.value);
           }
       }
	ajax.requestFile = "/index/votea";
	ajax.element = "vote";
	ajax.runAJAX();
	}