var active = true;
var languageSectionVisible = false;
var posIncrement = 0;
var languageVShift = 0;
var langHandleImage1 = new Image();
langHandleImage1.src='/misc/menu-down.png';
var langHandleImage2 = new Image();
langHandleImage2.src='/misc/menu-up.png';

function positionLanguageSelection() {
   if ($('#header').length == 0) return;
   var pos = $('#header').position().left + $('#header').width() - 198;
   if (languageVShift == 0) {
      languageVShift = $('#block-languageinterface-0').height();
   }
   $('#block-languageinterface-0').css('left', pos + 'px');
   $('#block-languageinterface-0').css('top',  ( -languageVShift - $('#top_bg').height()) + 'px');
}

$(document).ready(function() {
   if(!active) {
      return;
   }
   positionLanguageSelection();
   $('#block-languageinterface-0').css('display', 'block');
   var image = '<img id="languageHandleImg" src="' + langHandleImage1.src + '" width="7" height="4" hspace="5" alt="">&nbsp;&nbsp;';
   $('#block-languageinterface-0 .content').append('<div id="languageToggleHandle" onclick="toggleLanguages();">'
      + image + findLocalizedChangeText() + '</div>');
   $('#language-interface a').bind('click', function(evt) {
      toggleLanguages();
      location.href=$(this).attr('href');
      return false;
   });
   $(window).resize(function() {
      positionLanguageSelection();
   });
});

function toggleLanguages() {
   if(languageSectionVisible) {
      $('#block-languageinterface-0').animate({"top": "-=" + languageVShift + "px"}, "slow");
      $('#languageHandleImg').attr('src', langHandleImage1.src);
      $('#languageToggleHandle').css('background-color', 'black');
   } else {
      $('#block-languageinterface-0').animate({"top": "+=" + languageVShift + "px"}, "slow");
      $('#languageHandleImg').attr('src', langHandleImage2.src);
      $('#languageToggleHandle').css('background-color', '#0479bb');
   }
   languageSectionVisible = !languageSectionVisible;
}

function findLocalizedChangeText() {
   var language = 'en';
   var curUrl = location.href;
   if(curUrl.indexOf("/de/") != -1) {
      language = 'de';
   } else if(curUrl.indexOf("/fr/") != -1) {
      language = 'fr';
   } else if(curUrl.indexOf("/it/") != -1) {
      language = 'it';
   } else if(curUrl.indexOf("/es/") != -1) {
      language = 'es';
   } else if(curUrl.indexOf("/nl/") != -1) {
      language = 'nl';
   } else if(curUrl.indexOf("/Cn-zh/") != -1 || curUrl.indexOf("/zh-hans/") != -1) {
      language = 'cn-zh';
   } else if(curUrl.indexOf("/ja/") != -1) {
      language = 'ja';
   } else if(curUrl.indexOf("/tr/") != -1) {
      language = 'tr';
   }
   
   if(false) {
      if ( navigator ) {
         if ( navigator.language ) {
           language = navigator.language;
         } else if ( navigator.browserLanguage ) {
           language = navigator.browserLanguage;
       } else if ( navigator.systemLanguage ) {
           language = navigator.systemLanguage;
       } else if ( navigator.userLanguage ) {
           language = navigator.userLanguage;
       }
     }
   }
   
   var text = "Select Language";
   if(language == 'de') {
      text = 'Sprache w&auml;hlen';
   } else if(language == 'fr') {
      text = 'Selectionnez votre langue';
   } else if(language == 'it') {
      text = 'Scelga la sua lingua';
   } else if(language == 'es') {
      text = 'Seleccione un idioma';
   } else if(language == 'nl') {
      text = 'Kies taal';
   } else if(language == 'tr') {
      text = 'Dil seçiniz';
   } else if(language == 'ja') {
      text = '言語選択';
   } else if(language == 'cn-zh') {
      text = '选择语言';
   }
   return text;
}