<!--
var xmlhttp;

xmlhttp = GetXmlHttpObject();
if(xmlhttp == null)
 {
   alert("Browser does not support HTTP Request!");
 }


function GetXmlHttpObject()
 {
   var objXMLHttp = null;

   if(window.XMLHttpRequest)
    {
      objXMLHttp = new XMLHttpRequest();
    }
   else if (window.ActiveXObject)
    {
      objXMLHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }

   return objXMLHttp;
 }


function DeleteTopic(id)
 {
   if(xmlhttp == null) return;

   var url = "actions.php?action=delete&id=" + id;

   xmlhttp.onreadystatechange = function()
    {
      if(xmlhttp.readyState == 4 && xmlhttp.status == 200)  // request is complete
       {
         //document.getElementById("topic" + id).innerHTML = 'Již jsi hlasoval!';
         document.getElementById("topic" + id).style.display = 'none';
         alert(result);
       }
    }

   try
    { xmlhttp.open("GET",url,true); }
   catch(err)
    { alert(err); }

   xmlhttp.send(null);
 }


function RateTopic(id,rating)
 {
   if(xmlhttp == null) return;

   var url = "actions.php?action=rate_" + rating + "&id=" + id;

   xmlhttp.onreadystatechange = function()
    {
      if(xmlhttp.readyState == 4 && xmlhttp.status == 200)  // request is complete
       {
         //document.getElementById("ratebar"+id).innerHTML = xmlhttp.responseText;

         xmlres = xmlhttp.responseXML;
         xmlroot = xmlres.documentElement;

         result = xmlroot.getElementsByTagName("result")[0].childNodes[0].nodeValue;
         barcode = xmlroot.getElementsByTagName("barcode")[0].childNodes[0].nodeValue;

         //document.getElementById("ratebar" + id).innerHTML = 'Již jsi hlasoval!';
         document.getElementById("ratebar"+id).innerHTML = barcode;
       }
    }

   try
    { xmlhttp.open("GET",url,true); }
   catch(err)
    { alert(err); }

   xmlhttp.send(null);
 }

//-->