function openTarget (form, features, windowName) {
  if (!windowName) 
    windowName = 'formTarget' + (new Date().getTime());
  form.target = windowName;
  open('', windowName, features);
	return false;
} 
function chkVote() {
checked=false;
for(i=0;i<document.poll.answer.length;i++){
	if(document.poll.answer[i].checked){
		checked=true;
	}
}
if(!checked) {
	alert('Choose an answer before voting or click View Results.');return false;
	}	else {
		return true;
	}
}