//var serverSideFile = '/ajax-poller-cast-vote-php.php';
var serverSideFile = '/polls/ajaxpollercastvote';
var voteLeftImage = '/images/graph_left_1.gif';
var voteRightImage = '/images/graph_right_1.gif';
var voteCenterImage = '/images/graph_middle_1.gif';
var graphMaxWidth = 265;
var graphMinWidth = 15;
var pollScrollSpeed = 5;
var useCookiesToRememberCastedVotes = true;
var txt_totalVotes = 'Общо гласували: ';
var ajaxObjects = new Array();
var pollVotes = new Object();
var pollVoteCounted = new Array();
var totalVotes = new Array();
var preloadedImages = new Array();
preloadedImages[0] = new Image();
preloadedImages[0].src = voteLeftImage;
preloadedImages[1] = new Image();
preloadedImages[1].src = voteRightImage;
preloadedImages[2] = new Image();
preloadedImages[2].src = voteCenterImage;

function Poller_Get_Cookie(name){
	var start = document.cookie.indexOf(name + "=");
	var len = start + name.length + 1;
	if ((!start) && (name != document.cookie.substring(0, name.length))) return null;
	if (start == -1) return null;
	var end = document.cookie.indexOf(";",len);
	if (end == -1) end = document.cookie.length;
	return unescape(document.cookie.substring(len, end));
}

function Poller_Set_Cookie(name, value, expires, path, domain, secure){
	expires = expires * 60 * 60 * 24 * 1000;
	var today = new Date();
	var expires_date = new Date( today.getTime() + (expires) );
    var cookieString = name + "=" +escape(value) + 
       ( (expires) ? ";expires=" + expires_date.toGMTString() : "") + 
       ( (path) ? ";path=" + path : "") + 
       ( (domain) ? ";domain=" + domain : "") + 
       ( (secure) ? ";secure" : ""); 
    document.cookie = cookieString; 
}

function showVoteResults(pollId, ajaxIndex){
	document.getElementById('poller_waitMessage' + pollId).style.display = 'none';
	var xml = ajaxObjects[ajaxIndex].response;
	xml = xml.replace(/\n/gi,'');
	var reg = new RegExp("^.*?<pollerTitle>(.*?)<.*$","gi");
	var pollerTitle = xml.replace(reg,'$1');
	var resultDiv = document.getElementById('poller_results' + pollId);
	var titleP = document.createElement('P');
	titleP.className='result_pollerTitle';
	titleP.innerHTML = pollerTitle;
	resultDiv.appendChild(titleP);	
	var options = xml.split(/<option>/gi);
	pollVotes[pollId] = new Object();
	totalVotes[pollId] = 0;

	for(var no = 1; no < options.length; no++){
		var elements = options[no].split(/</gi);
		var currentOptionId = false;

		for(var no2 = 0; no2 < elements.length; no2++){
			if(elements[no2].substring(0,1) != '/'){
				var key = elements[no2].replace(/^(.*?)>.*$/gi,'$1');
				var value = elements[no2].replace(/^.*?>(.*)$/gi,'$1');
				if(key.indexOf('optionText') >= 0){
					var pOption = document.createElement('P');
					pOption.className='result_pollerOption';
					pOption.innerHTML = value;
					resultDiv.appendChild(pOption);					
				}

				if(key.indexOf('optionId') >= 0){
					currentOptionId = value / 1;
				}

				if(key.indexOf('votes') >= 0){
					var voteDiv = document.createElement('DIV');
					voteDiv.className='result_pollGraph';
					resultDiv.appendChild(voteDiv);	
					var leftImage = document.createElement('IMG');
					leftImage.src = voteLeftImage;
					voteDiv.appendChild(leftImage);
					var numberDiv = document.createElement('DIV');
					numberDiv.style.backgroundImage = 'url(\'' + voteCenterImage + '\')';
					numberDiv.innerHTML = '0%';
					numberDiv.id = 'result_voteTxt' + currentOptionId;
					voteDiv.appendChild(numberDiv);	
					var rightImage = document.createElement('IMG');
					rightImage.src = voteRightImage;
					voteDiv.appendChild(rightImage);						
					pollVotes[pollId][currentOptionId] = value;					
					totalVotes[pollId] = totalVotes[pollId] / 1 + value / 1;
				}
			}
		}
	}
	var totalVoteP = document.createElement('P');
	totalVoteP.className = 'result_totalVotes';
	totalVoteP.innerHTML = txt_totalVotes + totalVotes[pollId];
	voteDiv.appendChild(totalVoteP);	
	setPercentageVotes(pollId);
	slideVotes(pollId, 0);
}

function setPercentageVotes(pollId){
	for(var prop in pollVotes[pollId]){
		pollVotes[pollId][prop] =  Math.round((pollVotes[pollId][prop] / totalVotes[pollId]) * 100);				
	}	
	var currentSum = 0;
	for(var prop in pollVotes[pollId]){
		currentSum = currentSum + pollVotes[pollId][prop] / 1;
	}
	pollVotes[pollId][prop] = pollVotes[pollId][prop] + (100 - currentSum);
}

function slideVotes(pollId,currentPercent){
	currentPercent = currentPercent / 1 + 1;
	for(var prop in pollVotes[pollId]){
		if(pollVotes[pollId][prop] >= currentPercent){
			var obj = document.getElementById('result_voteTxt' + prop);
			obj.innerHTML = currentPercent + '%';
			obj.style.width = Math.max(graphMinWidth, Math.round(currentPercent / 100 * graphMaxWidth)) + 'px';
		}			
	}
	if(currentPercent < 100){
		setTimeout('slideVotes("' + pollId + '","' + currentPercent + '")', pollScrollSpeed);
	}
}

function prepareForPollResults(pollId){
	document.getElementById('poller_waitMessage' + pollId).style.display = 'block';
	document.getElementById('poller_question' + pollId).style.display = 'none';	
}

function castMyVote(pollId, formObj){	
	var elements = formObj.elements['vote[' + pollId + ']'];
	var optionId = false;
	for(var no = 0; no < elements.length; no++){
		if(elements[no].checked){
			optionId = elements[no].value;
		}
	}

	Poller_Set_Cookie('dhtmlgoodies_poller_' + pollId, '1', 6000000, '/');

	if(optionId){
		var ajaxIndex = ajaxObjects.length;
		ajaxObjects[ajaxIndex] = new sack();
		ajaxObjects[ajaxIndex].requestFile = serverSideFile + '?pollId=' + pollId + '&optionId=' + optionId;
		prepareForPollResults(pollId);
		ajaxObjects[ajaxIndex].onCompletion = function(){ showVoteResults(pollId,ajaxIndex); };	
		ajaxObjects[ajaxIndex].runAJAX();
	}
}

function displayResultsWithoutVoting(pollId){
	var ajaxIndex = ajaxObjects.length;
	ajaxObjects[ajaxIndex] = new sack();
	ajaxObjects[ajaxIndex].requestFile = serverSideFile + '?pollId=' + pollId;
	prepareForPollResults(pollId);
	ajaxObjects[ajaxIndex].onCompletion = function(){ showVoteResults(pollId,ajaxIndex); };
	ajaxObjects[ajaxIndex].runAJAX();	
}