/*
 * funkce pro ankety
 */
 
Event.onDOMReady(function() {
	var pollforms = $$('form.poll');
	pollforms.each(function(pollform) {
		enablePoll(pollform);
	});
});

/*
 * vyvola ajaxem funkci sendPoll na strane serveru, kde se po overeni pravosti
 * hlasovani zapocita hlas, prepocita vysledek a posle zpet odpoved, ktera se
 * zpracuje ve fci disablePoll()
 */
function enablePoll(pollform) {
	Event.observe(pollform, 'submit', function(event) {
		var divobj = pollform.up('div.poll-area');
		if(divobj.hasClassName('disabled')) return;
		var value = 0;
		var answers = pollform.select('.poll-answer');
		answers.each(function(answer) {
			if(answer.checked) {
				value = answer.value;
			};
		});
		if(value > 0) {
			pollform.down('img.loading').style.display = "inline";
			xajax_sendPoll(divobj.id, value);
		}
		Event.stop(event);
	});
}

var pollAnswer = '';
function addAnswer(text, value) {
	pollAnswer += '<tr><td class="label">' + text + '</td></tr><tr><td><img src="img/graf.gif" height="7" width="' + value + '" alt="" /></td>\n';
}

/*
 * vola se po hlasovani pomoci Ajaxu pro zamezeni dalsiho hlasovani
 * zaroven zmeni obsah ankety
 */
function disablePoll(divobjid) {
	var html;
	var divobj = $(divobjid);
	divobj.addClassName('disabled');
	html  = '<div class="body">\n<div>\n<p class="question">' + divobj.down('p.question').innerHTML + '</p>\n';
	html += '<table cellspacing="0">\n<tbody>\n' + pollAnswer + '</tbody>\n</table>\n';

	html += '</div>\n</div>\n<p class="more"><a href="archiv-anket.php">archiv &raquo;</a></p>\n';



	divobj.innerHTML = html;
	pollAnswer = '';
}