Selects a color based on "color" query

selectColor.js

<script> 
(function(){
  function getQueryString() {
      var queryString= [];
      var hash;
      var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
      for(var i = 0; i < hashes.length; i++)
      {
          hash = hashes[i].split('=');
          queryString.push(hash[0]);
          queryString[hash[0]] = hash[1];
      }
      return queryString;
  };

  $(function(){ 
    var q = getQueryString();
    var selector = $("select")[0] 
    if(q && q['color']) {
      $(selector).val(q['color']);
    };
  }); 
})();
</script>