function setUpPoll(poll_id) {
	var url = '/private/includes/_poll.php?poll_id=' + poll_id + '&site_id=6';
	var target = 'opinion_poll_'  + poll_id;
	var myAjax = new Ajax.Updater(target, url, {method: 'get'});
}
/*
* get the result
* 
* uses a function in custom.js
*/
function getPollResult(poll_id, site_id) {
	var url = '/private/includes/_poll.php?poll_id=' + poll_id + '&site_id=6';
	selection = $RF('poll_form_'  + poll_id, 'poll');
	var pars = 'poll=' + selection;
	var target = 'opinion_poll_'  + poll_id;
	// if a radio button has been selected - get the result
	if(selection !== null) {
		var myAjax = new Ajax.Updater(target, url, {method: 'get', parameters: pars});
	}
	nRToggle("poll_results");
}