/* AJAX POLL */

/*
These ajax functions are downloaded from
http://www.dhtmlgoodies.com
*/

var serverSideFile = '/poll/ajax-poller-cast-vote-php.php';
var voteLeftImage = '/poll/images/graph_left_1.gif';
var voteRightImage = '/poll/images/graph_right_1.gif';
var voteCenterImage = '/poll//images/graph_middle_1.gif';
var voteButtonImage = '/poll/images/vote_button.gif';

var graphMaxWidth = 130;			// It will actually be a little wider than this because of the rounded image at the left and right
var graphMinWidth = 15;				// Minimum size of graph
var pollScrollSpeed = 5;			// Lower = faster
var useCookiesToRememberCastedVotes = false;	// Use cookie to remember casted votes
var txt_totalVotes = 'TOTAL: ';

var ajaxObjects = new Array();
var pollVotes = new Array();
var pollVoteCounted = new Array();
var totalVotes = new Array();

/* check ie or not */
var isIE = (document.documentElement.getAttribute("style") == document.documentElement.style);

/* Preload images */

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 = voteButtonImage;

/*
These cookie functions are downloaded from 
http://www.mach5.com/support/analyzer/manual/html/General/CookiesJavaScript.htm
*/	
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)); 
} 

// This function has been slightly modified
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)
{
//console.debug("showVoteResults");
	
	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 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('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];
	resultDiv.appendChild(totalVoteP);
	
	setPercentageVotes(pollId);
//console.debug("showVoteResults:slideVotes");
	slideVotes(pollId,0);
}

function showVoteResultsWithVoting(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_question_with_vote' + pollId);
	
	var titleP = document.createElement('P');
	titleP.className='pollerTitle';
	titleP.innerHTML = pollerTitle;
	resultDiv.appendChild(titleP);	
	
	var options = xml.split(/<option>/gi);
	
	pollVotes[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('P');
					pOption.className='pollerOption';
					//pOption.innerHTML = value + currentOptionId;
					pOption.innerHTML = '<input type="radio" id="pollerOption' + currentOptionId + '" name="vote[' + pollId + ']" value="' + currentOptionId + '"/>';
					pOption.innerHTML += '<label id="optionLabel' + currentOptionId + '" id="pollerOpttion' + currentOptionId + '">' + value + '</label>';
					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 = '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];
	resultDiv.appendChild(totalVoteP);	

	var castMyVoteA = document.createElement('a');
	
	if (isIE) {
		castMyVoteA.getAttribute("className");
		castMyVoteA.setAttribute("onclick", new Function("castMyVote(\"" + pollId + "\",document.forms[0]);"));
	} else {
		castMyVoteA.setAttribute("onclick", 'castMyVote("' + pollId + '",document.forms[0])');
	}
	castMyVoteA.href = 'javascript:void(0)';
	resultDiv.appendChild(castMyVoteA);	
	var castMyVoteImage = document.createElement('IMG');
	castMyVoteImage.src = voteButtonImage;
	castMyVoteImage.height = "24";
	castMyVoteImage.width = "81";
	castMyVoteA.appendChild(castMyVoteImage);	
	
	setPercentageVotes(pollId);
	slideVotesWithVoting(pollId,0);

//console.info(castMyVoteA);
}

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)
{
//console.debug("slideVotes");
	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 + '%';
			if (isIE) {
				obj.style.width = Math.max(graphMinWidth,Math.round(currentPercent/100*graphMaxWidth)) + 'px';
			} else {
				obj.style.width = Math.max(graphMinWidth,Math.round(currentPercent/100*graphMaxWidth)) + 'px';
			}
		}			
	}
	
//console.debug(currentPercent);
	if(currentPercent<100)setTimeout('slideVotes("' + pollId + '","' + currentPercent + '")',pollScrollSpeed);
}

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


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

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

function castMyVote(pollId,formObj)
{	
//console.debug("castMyVote");
	var elements = formObj.elements['vote[' + pollId + ']'];
	if(elements == undefined){
		formObj = document.getElementById('pollerForm');
		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){
	
//console.debug("castMyVote: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); };	// Specify function that will be executed after file has been found
		ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function	

	}	
}

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); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
}

function displayResultsWithVoting(pollId)
{
	var ajaxIndex = ajaxObjects.length;
	ajaxObjects[ajaxIndex] = new sack();
	ajaxObjects[ajaxIndex].requestFile = serverSideFile + '?pollId=' + pollId;
	prepareForPollResultsWithVoting(pollId);
	ajaxObjects[ajaxIndex].onCompletion = function(){ showVoteResultsWithVoting(pollId,ajaxIndex); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
//console.debug("disp");
}