function createCookie(name,value,days){
    
    if (days)
    {
        var date = new Date();
        date.setTime(date.getTime()+(days*24*60*60*1000));
        var expires = "; expires="+date.toGMTString();
    }
    else
        var expires = "";
    document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++)
    {
        var c = ca[i];
        while (c.charAt(0)==' ')
            c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0)
            return c.substring(nameEQ.length,c.length);
    }
    return null;
}

function eraseCookie(name) 
{
    createCookie(name,"",-1);
} 

function parsePollResults(pollResults) {
                
    var outputData = "";
        
    var totalVotes = 0;
    var remainderValue = 0;
    var j = 0;
    var pollResultLength = pollResults.childNodes.length;    
        for (var i = 0; i<pollResults.childNodes.length; i++) 
        {
          
           
                 var dbOption = pollResults.childNodes[i].getElementsByTagName("option")[0].childNodes[0].data;
                 var formDisplayOption = document.niceform.elements['selectedOptionName'+dbOption].value;
                 var value = pollResults.childNodes[i].getElementsByTagName("value")[0].childNodes[0].data;
			
                if (value == null || value == "null") 
                {
                    value = "0";
                }
                
                
                    j = i+1;                
                    outputData += "<div id='result"+j+"'"+">" + "<span>"+unescape(formDisplayOption)+"</span>";
                    outputData += "<div class='result-holder'>";                
                    outputData += "<div class='result' style='width: " + value + "%;' ></div>";
                    outputData += "<div class='result-number'>" + value + "%</div>";                   
                    outputData += "</div></div>";

                   
            }
           
            
        for (var k=0; k<document.niceform.selectedOption.length; k++) 
         {
            var found = false;
            var formOption = document.niceform.selectedOption[k].value;
            var formDisplayOption = document.niceform.elements['selectedOptionName'+formOption].value;
            
            for (var i = 0; i<pollResults.childNodes.length; i++) 
              {
               dbOption = pollResults.childNodes[i].getElementsByTagName("option")[0].childNodes[0].data;
                if (formOption == dbOption) 
                  {              
                    found = true;
                  }
              }
        
        if (!found) 
        {
            var value = 0;
                                  
                pollResultLength = pollResultLength+1;
                outputData += "<div id='result"+pollResultLength+"'"+">" + "<span>"+unescape(formDisplayOption)+"</span>";
                outputData += "<div class='result-holder'>";                
                outputData += "<div class='result' style='width: " + value + "%;' ></div>";
                outputData += "<div class='result-number'>" + value + "%</div>";                   
                outputData += "</div></div>";
                
         }
            
            
      }
       
    
    return outputData;
}


function getPollResults()
{
    
    var url = "/travel/views/poll/tc_poll_results.jsp?featureId=" + featureId;      
    var req = initRequest();    
    req.onreadystatechange = function() {            
        if (req.readyState == 4) 
        {       
                
                if (req.status == 200) 
                {                                 
                 var outputData = parsePollResults(req.responseXML.documentElement);
                 
                 document.getElementById('poll-results').innerHTML = outputData;  
                }          
        }
    };
    req.open("GET", url, true);
    req.send(null);
}

function displayPollResults() 
{        
    document.getElementById('poll').style.display = 'none';
    document.getElementById('poll-results').style.display = 'block';
    if(showResults != "Y"){
        getPollResults();
      }
    if(document.getElementById('surveyResults') != null ){
        document.getElementById('surveyResults').style.display = 'block';
     } 
}

function initRequest() 
{   
    
    if (window.XMLHttpRequest) 
    {
        return new XMLHttpRequest();
    } 
    else if (window.ActiveXObject) 
    {
        isIE = true;
        return new ActiveXObject("Microsoft.XMLHTTP");
    }
}

function submitVote(userId, pollId, selectedOption)
{
    
    var url ="/travel/views/poll/tc_poll_update.jsp?userId="+userId+"&pollId="+pollId+"&selectedOption="+selectedOption; 
    var req = initRequest();
    req.onreadystatechange = function() {       
        if (req.readyState == 4) 
        {       
                 
                createCookie(pollId, "voted", 365);
                displayPollResults();
                            
        }
    };

    req.open("GET", url, true);
    req.send(null);
}

function getPollCheckedValue(radioObj) 
{
    
    if(!radioObj)
        return "";
    var radioLength = radioObj.length;
    if(radioLength == undefined)
        if(radioObj.checked)
            return radioObj.value;
        else
            return "";
    for(var i = 0; i < radioLength; i++) 
    {
        if(radioObj[i].checked) 
        {
            return radioObj[i].value;
        }
    }
    return "";
}

function submitPollForm()
{
   
    var result = readCookie(featureId);
    if(result == null || result == "")
    {
        if(designType == "1"){
           selectedOption = getPollCheckedValue(document.niceform.selectedOption);
        }
        if(designType == "2" || designType == "3"){
           selectedOption = getPollSelectedValue();           
        }        
        
        if (selectedOption != "") 
        {
            submitVote(sessionId, featureId, selectedOption);
        }
        else 
        {
            alert ("Please select your choice and click Submit!");
            return;
        }           
    }
}

function submitForm(selectedValue){    
    document.getElementById("poll-action").value = selectedValue;
    
}

function getPollSelectedValue(){
    return document.getElementById("poll-action").value
}