var nav = $('#nav');
var selection = $('.select');
var select = selection.find('li');

nav.click(function(event) {
    if (nav.hasClass('active')) {
        nav.removeClass('active');
        selection.stop().slideUp(200);
    } else {
        nav.addClass('active');
        selection.stop().slideDown(200);
    }
    event.preventDefault();
});

select.click(function(event) {
    // updated code to select the current language
    select.removeClass('active');
    $(this).addClass('active');

    alert ("location.href = 'index.php?lang=" + $(this).attr('data-value'));
});

h2 {
    width: 200px;
    background: #222;
    color:  #eee;
    line-height: 25px;
    font-size: 14px;
    padding: 0 10px;
    cursor: pointer;
}
ol.select {
    display: none;
}

ol.select > li {
    width: 200px;
    background: #eee;
    line-height: 25px;
    font-size: 14px;
    padding: 0 10px;
    cursor: pointer;
}

ol.select > li:hover {
    background: #aaa;
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<h2 id="nav">Choose Language</h2>
<ol class="select">
    <li data-value="en">English</li>
    <li data-value="de">Deutsch</li>
</ol>

$(function(){
  var close = function() {
    $("ul").each(function() {
      var $thisUl = $(this);    
      if($thisUl.find("li > a.click").length == 0) {
        var $li = $(document.createElement('li')).append($(document.createElement('a')).attr({
          "class": "click selectable visible",
          "href": "#"
        }).text("Select"));
        $thisUl.append($li);
      }
      else {
        $thisUl.find("li > a.click").addClass("visible");
      }
      $thisUl.find("li:has(> a:not(.click))").hide();
      $thisUl.find("li > a.click").show();
    });
  };

  var sentinel = function() {
    $("ul").each(function(){
      var $thisUl = $(this);
      $($thisUl).find("li > a").click(function(event){
        if($(event.target).is('ul li a.visible')) {
          event.preventDefault();
          $thisUl.find("li:has(> a:not(.click))").show();
          $thisUl.find("li > a.selectable").hide();
          $thisUl.find("li > a.click").removeClass("visible");
        }
        else {
          $thisUl.find("li").each(function(){
            $(this).find("a").removeClass("click selectable visible");
            $(this).find("a.selectable").remove();
          });
          $(this).addClass("click visible");
          close();
        }
      });
    });
  };

  var reconnaissance = function() {
    $(document).click(function(event) {
      if(!$(event.target).is('ul li a')) {
        close();
      }
    });
  };

  close();
  sentinel();
  reconnaissance();
});

ul { 
  width: auto;
  margin: 2px auto;
  background-color: #ddd;
  border-top: 1px solid #999;
  border-bottom: 3px solid #999;
  border-left: 1px solid #999;
  border-right: 1px solid #999;
  border-radius: 8px;
  list-style:none;
  background-size: 16px 16px;
  background-repeat: no-repeat;
  background-attachment: scroll;
  background-position: left 2px;
  background-color: transparent;
  cursor: pointer;
}
li > a.click { 
  color: darkgreen; 
  font-weight: bold;
}
li a {
  color:darkblue;
  text-decoration:none;
}
li a:active, li a:hover {
  color:darkred;
  background-color: lightyellow;
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<ul>
  <li><a href="#">Option 1</a></li>
  <li><a class="click" href="#">Option 2</a></li>
  <li><a href="#">Option 3</a></li>
</ul>

<ul>
  <li><a href="#">Option 1</a></li>
  <li><a href="#">Option 2</a></li>
  <li><a href="#">Option 3</a></li>
</ul>

// Generated by CoffeeScript 1.4.0
(function() {
  var $;

  $ = window.jQuery || window.Zepto || window.$;

  $.fn.fancySelect = function(opts) {
    var isiOS, settings;
    if (opts == null) {
      opts = {};
    }
    settings = $.extend({
      forceiOS: false,
      includeBlank: false,
      optionTemplate: function(optionEl) {
        return optionEl.text();
      },
      triggerTemplate: function(optionEl) {
        return optionEl.text();
      }
    }, opts);
    isiOS = !!navigator.userAgent.match(/iP(hone|od|ad)/i);
    return this.each(function() {
      var copyOptionsToList, disabled, options, sel, trigger, updateTriggerText, wrapper;
      sel = $(this);
      if (sel.hasClass('fancified') || sel[0].tagName !== 'SELECT') {
        return;
      }
      sel.addClass('fancified');
      sel.css({
        width: 1,
        height: 1,
        display: 'block',
        position: 'absolute',
        top: 0,
        left: 0,
        opacity: 0
      });
      sel.wrap('<div class="fancy-select">');
      wrapper = sel.parent();
      if (sel.data('class')) {
        wrapper.addClass(sel.data('class'));
      }
      wrapper.append('<div class="trigger">');
      if (!(isiOS && !settings.forceiOS)) {
        wrapper.append('<ul class="options">');
      }
      trigger = wrapper.find('.trigger');
      options = wrapper.find('.options');
      disabled = sel.prop('disabled');
      if (disabled) {
        wrapper.addClass('disabled');
      }
      updateTriggerText = function() {
        var triggerHtml;
        triggerHtml = settings.triggerTemplate(sel.find(':selected'));
        return trigger.html(triggerHtml);
      };
      sel.on('blur.fs', function() {
        if (trigger.hasClass('open')) {
          return setTimeout(function() {
            return trigger.trigger('close.fs');
          }, 120);
        }
      });
      trigger.on('close.fs', function() {
        trigger.removeClass('open');
        return options.removeClass('open');
      });
      trigger.on('click.fs', function() {
        var offParent, parent;
        if (!disabled) {
          trigger.toggleClass('open');
          if (isiOS && !settings.forceiOS) {
            if (trigger.hasClass('open')) {
              return sel.focus();
            }
          } else {
            if (trigger.hasClass('open')) {
              parent = trigger.parent();
              offParent = parent.offsetParent();
              if ((parent.offset().top + parent.outerHeight() + options.outerHeight() + 20) > $(window).height() + $(window).scrollTop()) {
                options.addClass('overflowing');
              } else {
                options.removeClass('overflowing');
              }
            }
            options.toggleClass('open');
            if (!isiOS) {
              return sel.focus();
            }
          }
        }
      });
      sel.on('enable', function() {
        sel.prop('disabled', false);
        wrapper.removeClass('disabled');
        disabled = false;
        return copyOptionsToList();
      });
      sel.on('disable', function() {
        sel.prop('disabled', true);
        wrapper.addClass('disabled');
        return disabled = true;
      });
      sel.on('change.fs', function(e) {
        if (e.originalEvent && e.originalEvent.isTrusted) {
          return e.stopPropagation();
        } else {
          return updateTriggerText();
        }
      });
      sel.on('keydown', function(e) {
        var hovered, newHovered, w;
        w = e.which;
        hovered = options.find('.hover');
        hovered.removeClass('hover');
        if (!options.hasClass('open')) {
          if (w === 13 || w === 32 || w === 38 || w === 40) {
            e.preventDefault();
            return trigger.trigger('click.fs');
          }
        } else {
          if (w === 38) {
            e.preventDefault();
            if (hovered.length && hovered.index() > 0) {
              hovered.prev().addClass('hover');
            } else {
              options.find('li:last-child').addClass('hover');
            }
          } else if (w === 40) {
            e.preventDefault();
            if (hovered.length && hovered.index() < options.find('li').length - 1) {
              hovered.next().addClass('hover');
            } else {
              options.find('li:first-child').addClass('hover');
            }
          } else if (w === 27) {
            e.preventDefault();
            trigger.trigger('click.fs');
          } else if (w === 13 || w === 32) {
            e.preventDefault();
            hovered.trigger('click.fs');
          } else if (w === 9) {
            if (trigger.hasClass('open')) {
              trigger.trigger('close.fs');
            }
          }
          newHovered = options.find('.hover');
          if (newHovered.length) {
            options.scrollTop(0);
            return options.scrollTop(newHovered.position().top - 12);
          }
        }
      });
      options.on('click.fs', 'li', function(e) {
        var clicked;
        clicked = $(this);
        sel.val(clicked.data('raw-value'));
        if (!isiOS) {
          sel.trigger('blur.fs').trigger('focus.fs');
        }
        options.find('.selected').removeClass('selected');
        clicked.addClass('selected');
        return sel.val(clicked.data('raw-value')).trigger('change.fs').trigger('blur.fs').trigger('focus.fs');
      });
      options.on('mouseenter.fs', 'li', function() {
        var hovered, nowHovered;
        nowHovered = $(this);
        hovered = options.find('.hover');
        hovered.removeClass('hover');
        return nowHovered.addClass('hover');
      });
      options.on('mouseleave.fs', 'li', function() {
        return options.find('.hover').removeClass('hover');
      });
      copyOptionsToList = function() {
        var selOpts;
        updateTriggerText();
        if (isiOS && !settings.forceiOS) {
          return;
        }
        selOpts = sel.find('option');
        return sel.find('option').each(function(i, opt) {
          var optHtml;
          opt = $(opt);
          if (!opt.prop('disabled') && (opt.val() || settings.includeBlank)) {
            optHtml = settings.optionTemplate(opt);
            if (opt.prop('selected')) {
              return options.append("<li data-raw-value=\"" + (opt.val()) + "\" class=\"selected\">" + optHtml + "</li>");
            } else {
              return options.append("<li data-raw-value=\"" + (opt.val()) + "\">" + optHtml + "</li>");
            }
          }
        });
      };
      sel.on('update.fs', function() {
        wrapper.find('.options').empty();
        return copyOptionsToList();
      });
      return copyOptionsToList();
    });
  };

}).call(this);

div.fancy-select {
  position: relative;
  color: #505050;  
}

div.fancy-select.disabled {
	opacity: 0.5;
}

div.fancy-select select:focus + div.trigger {
}

div.fancy-select select:focus + div.trigger.open {
}

div.fancy-select div.trigger {
  cursor: pointer;
  height: 50px;
  line-height: 50px;
  padding-left: 20px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  position: relative;
  width: 100%;
  border: 1px solid #6e6e6e;
  
  transition: all 240ms ease-out;
  -webkit-transition: all 240ms ease-out;
  -moz-transition: all 240ms ease-out;
  -ms-transition: all 240ms ease-out;
  -o-transition: all 240ms ease-out;
}

div.fancy-select div.trigger:after {
	content: "";
	display: block;
	position: absolute;
	width: 0;
	height: 0;
	border: 5px solid transparent;
	border-top-color: #4B5468;
	top: 20px;
	right: 9px;
}

div.fancy-select div.trigger.open {
}

div.fancy-select div.trigger.open:after {
}

div.fancy-select ul.options {
	list-style: none;
	margin: 0;
	position: absolute;
	top: 49px;
	left: 0;
	visibility: hidden;
	opacity: 0;
	z-index: 50;
	max-height: 200px;
	overflow: auto;
	border: 1px solid #6e6e6e;
	width: 100%;
  	padding: 0;
	background: #fff;
	transition: opacity 300ms ease-out, top 300ms ease-out, visibility 300ms ease-out;
	-webkit-transition: opacity 300ms ease-out, top 300ms ease-out, visibility 300ms ease-out;
	-moz-transition: opacity 300ms ease-out, top 300ms ease-out, visibility 300ms ease-out;
	-ms-transition: opacity 300ms ease-out, top 300ms ease-out, visibility 300ms ease-out;
	-o-transition: opacity 300ms ease-out, top 300ms ease-out, visibility 300ms ease-out;
}

div.fancy-select ul.options.open {
	visibility: visible;
	top: 50px;
	opacity: 1;

	/* have to use a non-visibility transition to prevent this iOS issue (bug?): */
	/*http://stackoverflow.com/questions/10736478/css-animation-visibility-visible-works-on-chrome-and-safari-but-not-on-ios*/
	transition: opacity 300ms ease-out, top 300ms ease-out;
	-webkit-transition: opacity 300ms ease-out, top 300ms ease-out;
	-moz-transition: opacity 300ms ease-out, top 300ms ease-out;
	-ms-transition: opacity 300ms ease-out, top 300ms ease-out;
	-o-transition: opacity 300ms ease-out, top 300ms ease-out;
}

div.fancy-select ul.options.overflowing {
	top: auto;
	bottom: 40px;

	transition: opacity 300ms ease-out, bottom 300ms ease-out, visibility 300ms ease-out;
	-webkit-transition: opacity 300ms ease-out, bottom 300ms ease-out, visibility 300ms ease-out;
	-moz-transition: opacity 300ms ease-out, bottom 300ms ease-out, visibility 300ms ease-out;
	-ms-transition: opacity 300ms ease-out, bottom 300ms ease-out, visibility 300ms ease-out;
	-o-transition: opacity 300ms ease-out, bottom 300ms ease-out, visibility 300ms ease-out;
}

div.fancy-select ul.options.overflowing.open {
	top: auto;
	bottom: 50px;

	transition: opacity 300ms ease-out, bottom 300ms ease-out;
	-webkit-transition: opacity 300ms ease-out, bottom 300ms ease-out;
	-moz-transition: opacity 300ms ease-out, bottom 300ms ease-out;
	-ms-transition: opacity 300ms ease-out, bottom 300ms ease-out;
	-o-transition: opacity 300ms ease-out, bottom 300ms ease-out;
}

div.fancy-select ul.options li {
	padding: 8px 20px;
	color: #000;
	cursor: pointer;
	white-space: nowrap;

	transition: all 150ms ease-out;
	-webkit-transition: all 150ms ease-out;
	-moz-transition: all 150ms ease-out;
	-ms-transition: all 150ms ease-out;
	-o-transition: all 150ms ease-out;
}

div.fancy-select ul.options li.selected {
	background: #d3d3d3;
	color: #000;
}

div.fancy-select ul.options li:hover, div.fancy-select ul.options li.hover {
  	background: #d3d3d3;
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<select name="SortBy" id="SortBy" class="filters-toolbar__input">
  <option value="" selected="selected">Option 1</option>
  <option value="" selected="selected">Option 2</option>
  <option value="" selected="selected">Option 3</option>
</select>

/* --- fancySelect --- */



$(function() {
$('#SortBy').fancySelect();
});