/**
  * Load vote results
  */
function loadVoteResults() {
	var vId = $('vId').value;
	var aId = getCheckedValue(document.pollform.answer);
	ajax_request("/"+webfolder+"ajax.server.php", "ajax=1&action=voteresults&module=vote&v_id=" + vId + "&v_aid=" + aId, onloadVoteResults);

	return false;
}

/**
  * return and print results
  */
function onloadVoteResults(resp, MyArray) {
	MyArray = evalJson(resp.responseText);		
	var element = $('formdiv');
	element.innerHTML = MyArray;	
}

/** return the value of the radio button that is checked
  * return an empty string if none are checked, or
  *	there are no radio buttons
  */ 
function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}