var TextSizeWidget = function() {
  var sizes = ['100%', '120%', '140%'];
  var cookiename = 'textsizewidget';
  var s = sizes[0];
  var tw;
  var co;

  function init() {
    co = $('#container');
    tw = $('#textwidget');
    tw.show();
    $('.small', tw).bind('click', function(e) {setTextSize(0);});
    $('.medium', tw).bind('click', function(e) {setTextSize(1);});
    $('.large', tw).bind('click', function(e) {setTextSize(2);});
    
    var cv = $.cookie(cookiename);
    if (cv != null) setTextSize(cv);
  }
  function setTextSize(size) {
    var x = parseInt(size);
    s = sizes[0];
    if ((x >= 0) && (x < sizes.length)) s = sizes[x];

    co.css('font-size', s);
    $.cookie(cookiename, x, {path: '/'});

    tw.trigger('update', [s]);
    $('a', tw).removeClass('selected');
    
    if (size == 0) {
      $('.small', tw).addClass('selected');
      co.removeClass('tw-large').removeClass('tw-medium');
    }
    if (size == 1) {
      $('.medium', tw).addClass('selected');
      co.removeClass('tw-large').addClass('tw-medium');
    }
    if (size == 2) {
      $('.large', tw).addClass('selected');
      co.addClass('tw-large').removeClass('tw-medium');
    }
  }
  function getSize() {
    return s;
  }
  return {
    init: init,
    getSize: getSize
  };
};

$(function(){
	if ($.isIE6()) $(':not(img).filter').ie6TransparentBackground();
	if ($.isIE6()) $('img.filter').ie6TransparentImage();
	
	TextSizeWidget().init();
});