// Initialize version 1.0 of Google AJAX API
google.load("language", "1");

function translate(lang) {
  var source = document.getElementById("article").innerHTML;
  var len = source.length;

  // Google Language API accepts 500 characters per request
  var words = 500;

  // This is for English pages, you can change the
  // sourcelang variable for other languages
  var sourcelang = "en";
  document.getElementById("translation").innerHTML = "";

  for(i=0; i<=(len/words); i++) {
    google.language.translate (source.substr(i*words, words),
                "en", lang, function (result) {
    if (!result.error) {
    document.getElementById("translation").innerHTML
          = document.getElementById("translation").innerHTML
          + result.translation;
   } }); }

 // Hide the text written in the original language
 document.getElementById("article").style.display = 'none';
 return false;
}

// Switch to the original language

function original() {
 document.getElementById("translation").style.display='none';
 document.getElementById("article").style.display = 'block';
 return false;
}