function validatePoll(f) {

	var found;
	found = 0;
	for (var i=0; i < f.choice.length; i++)  {
		if (f.choice[i].checked)  {
			found = f.choice[i].value;
		}
	}
	if (found==0){
		alert("Choose an answer before you vote!");
		return false;
	}

	
	return true;
}