//http://javascript.about.com/library/blmodald2.htm
  var actDialog = null;

  function modalDialog(overlay, dialog, top) {
    this.overlay = $('#' + overlay); this.overlay.css('display', 'none');
    this.dialog = $('#' + dialog); this.dialog.css('display', 'none');
    this.dialogTop = typeof (top) == 'undefined' ? 30 : top;
    if (actStatus.forceLogin) this.show();
  };

  modalDialog.prototype = {
    show: function() {
      actDialog = this;
      var b = 'block'; var p = 'px';
      var win = $(window);
      this.overlay.css({ 'height': win.height() + p, 'width': win.width() + p, 'top': win.scrollTop() + p, 'left': win.scrollLeft() + p, 'display': b });
      this.dialog.css({ 'top': this.dialogTop + win.scrollTop() + p, 'display': b });
      $('select,iframe,object').css('visibility', 'hidden');
      win.bind('scroll.modalDlg', function() {
          actDialog.overlay.css({ 'top': $(window).scrollTop() + 'px', 'left': $(window).scrollLeft() + 'px' });
          //actDialog.dialog.css('top', actDialog.dialogTop + $(window).scrollTop() + 'px');
      });
      win.bind('resize.modalDlg', function() {
          actDialog.overlay.css({ 'height': $(window).height() + 'px', 'width': $(window).width() + 'px' });
      });
    },
    hide: function() {
      this.overlay.css('display', 'none');
      this.dialog.css('display', 'none');
      $('select,iframe,object').css('visibility', 'visible');
      $(window).unbind('.modalDlg');
      actDialog = null;
    }
  };
  
  _Lib = function () {
    if (actStatus.site=='com') {
      this.csUrl = (actStatus.country=='cz') ? 'http://vyuka.lide.cz/' : 'http://www.langmaster.com/lmcom/com/web/cs-cz/pages/online-jazykova-skola-zdarma.aspx';
    } else if (actStatus.site=='org') {
      this.csUrl = (actStatus.country=='cz') ? 'http://www.eduland.cz' : 'http://www.langmaster.org/lmcom/org/web/cs-cz/pages/bezplatna-jazykova-akademie.aspx';
    }
    this.skDisplay = (actStatus.country=='sk' || actStatus.country=='cz') ? 'none' : 'inline';
  }; 
  
  _Lib.prototype = {
    adjustLangPanel : function () {
      $('#lt_sk_sk,#locrun_sk_sk').css('display',this.skDisplay);
      $('#lta_cs_cz,#locruna_cs_cz').attr ('href', this.csUrl);
    },
    navigateFBApp : function (url) {
      window.location.href = url;
    },
    navigateFBAppTop : function (url) {
      window.top.location.href = url;
    }
  };
  
  Lib = new _Lib ();




  var FBLib = null;


  
  AddIn = function () {
  };
  
  AddIn.mouseOver = function () {
    if (!hasAddThis) return false;
    return addthis_open(this, '', '[URL]', '[TITLE]')
  };

  AddIn.mouseOut = function () {
    if (!hasAddThis) return; 
    addthis_close();
  };

  AddIn.click = function () {
    if (!hasAddThis) return false;
    return addthis_sendto();
  };