var xmlFeed=false;
var gecko= (document.implementation && document.implementation.createDocument) ? true:false;
var ie= (window.ActiveXObject && document.all) ? true:false;

// FIX MIMETYPES/DOCUMENT HEADERS FOR GECKO
// By Vladdy from CodingForums.com
function fixXmlMimeType(filename)
{
oxmlhttp = null;
try {
oxmlhttp = new XMLHttpRequest();
oxmlhttp.overrideMimeType("text/xml");
}
catch(e) {
try {
oxmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
}
catch(e) {
return null;
}
}

if (!oxmlhttp) return null;

try {
oxmlhttp.open("GET", filename, false);
oxmlhttp.send(null);
}
catch(e) {
return null;
}

return oxmlhttp.responseXML;
}


// IMPORT XML DOCUMENT
// Code from the Public Domain
function importXML(FeedParserRSSFile)
{
// For Gecko Browsers
if (gecko)
{
xmlFeed = document.implementation.createDocument("", "", null);
xmlFeed.async=false;
xmlFeed = fixXmlMimeType(FeedParserRSSFile);
}

// For IE/Win
else if (ie)
{
xmlFeed = new ActiveXObject("Microsoft.XMLDOM");
xmlFeed.async=false;
xmlFeed.load(FeedParserRSSFile);
}

// If a browser doesn't support this, do nothing.
else return false;

// If it's all good, return the object.
if (typeof xmlFeed != "undefined") return xmlFeed;
else return false;
}


function rating(id,rate) {
  result = importXML('rate.php?id='+id+'&rate='+rate);
  document.getElementById('rating').innerHTML = 'Average grade: ' + result.getElementsByTagName('rating')[0].firstChild.data;
  document.getElementById('rating-title').innerHTML = 'Grade (vote casted)';
}