var serverSideFile = 'includes/poll_vote.php';
var voteLeftImage = 'images/poll/startblue.gif';
var voteRightImage = 'images/poll/endblue.gif';
var voteCenterImage = 'images/poll/middleblue.gif';
var voteLeftImageLargest = 'images/poll/startorange.gif';
var voteRightImageLargest = 'images/poll/endorange.gif';
var voteCenterImageLargest = 'images/poll/middleorange.gif';

var graphMaxWidth = 460;	// It will actually be a little wider than this because of the rounded image at the left and right
var graphMinWidth = 40;	// Minimum size of graph
var pollScrollSpeed = 40;	// Lower = faster

var ajaxObjects = new Array();
var pollVotes = new Array();
var pollVoteCounted = new Array();
var totalVotes = new Array();
var largestOptionPercent = 0;
var largestOptionID = 0;

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;
preloadedImages[3] = new Image();
preloadedImages[3].src = voteLeftImageLargest;
preloadedImages[4] = new Image();
preloadedImages[4].src = voteRightImageLargest;
preloadedImages[5] = new Image();
preloadedImages[5].src = voteCenterImageLargest;
	
function showVoteResults(pollId,xml){
	document.getElementById('poll_waitMessage_' + pollId).style.display='none';
	document.getElementById('poll_results_' + pollId).style.display='block';
	
	xml = xml.replace(/\n/gi,'');
	
	var reg = new RegExp("^.*?<pollerTitle>(.*?)<.*$","gi");
	var pollerTitle = xml.replace(reg,'$1');
	
	var resultDiv = document.getElementById('poll_results_' + pollId);
	
	var titleP = document.createElement('b');
	titleP.className='style6';
	titleP.innerHTML = pollerTitle + ' (<a href="#" onclick="refreshResults(' + pollId + ');">' + refreshText + '</a>)';
	resultDiv.appendChild(titleP);	
	
	var newLine = document.createElement('br');
	resultDiv.appendChild(newLine);	
	
	var options = xml.split(/<option>/gi);
	
	pollVotes[pollId] = new Array();
	pollVoteCounted[pollId] = new Array();
	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('b');
					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;
					leftImage.id = 'result_vote_LeftImage_' + pollId + '_' + currentOptionId;
					voteDiv.appendChild(leftImage);
					
					var numberDiv = document.createElement('div');
					numberDiv.style.backgroundImage = 'url(\'' + voteCenterImage + '\')';
					numberDiv.innerHTML = '<center>0</center>';
					numberDiv.id = 'result_voteTxt_' + pollId + '_' + currentOptionId;
					voteDiv.appendChild(numberDiv);	
					
					var rightImage = document.createElement('img');
					rightImage.src = voteRightImage;
					rightImage.id = 'result_vote_RightImage_' + pollId + '_' + currentOptionId;
					voteDiv.appendChild(rightImage);
					
					var percentDiv = document.createElement('div');
					percentDiv.innerHTML = '0%';
					percentDiv.id = 'result_votePercent_' + pollId + '_' + currentOptionId;
					voteDiv.appendChild(percentDiv);	
					
					pollVotes[pollId][currentOptionId] = value;	
					pollVoteCounted[pollId][currentOptionId] = value;
					totalVotes[pollId] = totalVotes[pollId]/1 + value/1;
				}
			}
		}
	}
	
	setPercentageVotes(pollId);
	
	largestOptionPercent = 0;
	largestOptionID = 0;

	for(var prop in pollVotes[pollId]){
		if(pollVotes[pollId][prop] > largestOptionPercent){
			largestOptionPercent = pollVotes[pollId][prop];
			largestOptionID = prop;
		}
		else if(pollVotes[pollId][prop] == largestOptionPercent){
			largestOptionID = 0;
		}
	}
	
	slideVotes(pollId,-1);
}

function refreshVoteResults(pollId,xml){
	document.getElementById('poll_waitMessage_' + pollId).style.display='none';
	
	xml = xml.replace(/\n/gi,'');
	
	var reg = new RegExp("^.*?<pollerTitle>(.*?)<.*$","gi");
	var pollerTitle = xml.replace(reg,'$1');
	
	var options = xml.split(/<option>/gi);
	
	pollVotes[pollId] = new Array();
	pollVoteCounted[pollId] = new Array();
	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('optionId')>=0){
					currentOptionId = value/1;
				}
				
				if(key.indexOf('votes')>=0){
					pollVotes[pollId][currentOptionId] = value;					
					pollVoteCounted[pollId][currentOptionId] = value;
					totalVotes[pollId] = totalVotes[pollId]/1 + value/1;
				}
			}
		}
	}
	
	setPercentageVotes(pollId);
	
	largestOptionPercent = 0;
	largestOptionID = 0;

	for(var prop in pollVotes[pollId]){
		var obj = document.getElementById('result_voteTxt_' + pollId + '_' + prop);
		obj.innerHTML = '';
		var obj = document.getElementById('result_votePercent_' + pollId + '_' + prop);
		obj.innerHTML = '';
		if(pollVotes[pollId][prop] > largestOptionPercent){
			largestOptionPercent = pollVotes[pollId][prop];
			largestOptionID = prop;
		}
		else if(pollVotes[pollId][prop] == largestOptionPercent){
			largestOptionID = 0;
		}
	}
	
	slideVotes(pollId,-1);
}

function setPercentageVotes(pollId)
{
	for(var prop in pollVotes[pollId]){
		pollVotes[pollId][prop] =  Math.round((pollVotes[pollId][prop] / totalVotes[pollId]) * 10000)/100;				
	}	
	var currentSum = 0;
	for(var prop in pollVotes[pollId]){
		currentSum = currentSum + pollVotes[pollId][prop]/1;			
	}
}

function slideVotes(pollId,currentPercent)
{
	currentPercent = currentPercent/1 + 1;
	currentVotes = Math.round(totalVotes[pollId]*(currentPercent/100));
	
	for(var prop in pollVotes[pollId]){
		if(pollVotes[pollId][prop]>=currentPercent){
			var obj = document.getElementById('result_voteTxt_' + pollId + '_' + prop);
			obj.innerHTML = '<center>' + currentVotes + '</center>';
			obj.style.width = graphMinWidth + Math.round(currentPercent/100*(graphMaxWidth*(100/largestOptionPercent))) + 'px';
			var obj = document.getElementById('result_votePercent_' + pollId + '_' + prop);
			obj.innerHTML = '<b>' + currentPercent + '%</b>';
		}
		else{
			if(pollVotes[pollId][prop]<0){}
			else{
				var obj = document.getElementById('result_voteTxt_' + pollId + '_' + prop);
				obj.innerHTML = '<center>' + pollVoteCounted[pollId][prop] + '</center>';
				var obj = document.getElementById('result_votePercent_' + pollId + '_' + prop);
				obj.innerHTML = '<b>' + pollVotes[pollId][prop] + '%</b>';
				pollVotes[pollId][prop] = -1;
			}
		}
	}
	
	if(currentPercent <= largestOptionPercent)setTimeout('slideVotes("' + pollId + '","' + currentPercent + '")',pollScrollSpeed);
	else{
		if(largestOptionID != 0){
			var obj = document.getElementById('result_voteTxt_' + pollId + '_' + largestOptionID);
			obj.style.backgroundImage = 'url(\'' + voteCenterImageLargest + '\')';
			var obj = document.getElementById('result_vote_LeftImage_' + pollId + '_' + largestOptionID);
			obj.src = voteLeftImageLargest;
			var obj = document.getElementById('result_vote_RightImage_' + pollId + '_' + largestOptionID);
			obj.src = voteRightImageLargest;
		}
	}
}


function prepareForPollResults(pollId)
{
	document.getElementById('poll_waitMessage_' + pollId).style.display='block';
	document.getElementById('poll_question_' + pollId).style.display='none';	
	document.getElementById('poll_results_' + pollId).innerHTML='';
}

function refreshForPollResults(pollId)
{
	document.getElementById('poll_waitMessage_' + pollId).style.display='block';
}

function castMyVote(pollId,optionId){	
	prepareForPollResults(pollId);
	
	var url = serverSideFile + '?pollId=' + pollId + '&optionId=' + optionId + '&random=' + Math.round(1000000*Math.random());
	
	xmlHttpCastVote = makeHttp();
	xmlHttpCastVote.onreadystatechange = function() {
		if(checkReadyState(xmlHttpCastVote))
		{
			var answer = xmlHttpCastVote.responseText;
			showVoteResults(pollId,answer);
		}
	}
	SendGETRequest(xmlHttpCastVote,url);
}

function refreshResults(pollId){
	refreshForPollResults(pollId);
	
	var url = serverSideFile + '?pollId=' + pollId + '&random=' + Math.round(1000000*Math.random());
	
	xmlHttpCastVote = makeHttp();
	xmlHttpCastVote.onreadystatechange = function() {
		if(checkReadyState(xmlHttpCastVote))
		{
			var answer = xmlHttpCastVote.responseText;
			refreshVoteResults(pollId,answer);
		}
	}
	SendGETRequest(xmlHttpCastVote,url);
}

function displayResultsWithoutVoting(pollId){
	prepareForPollResults(pollId);
	
	var url = serverSideFile + '?pollId=' + pollId + '&random=' + Math.round(1000000*Math.random());
	
	xmlHttpCastVote = makeHttp();
	xmlHttpCastVote.onreadystatechange = function() {
		if(checkReadyState(xmlHttpCastVote))
		{
			var answer = xmlHttpCastVote.responseText;
			showVoteResults(pollId,answer);
		}
	}
	SendGETRequest(xmlHttpCastVote,url);
}