$.extend({
  getUrlVars: function(){
    var vars = [], 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('=');
      vars.push(hash[0]);
      vars[hash[0]] = hash[1];
    }
    return vars;
  },
  getUrlVar: function(name){
    return $.getUrlVars()[name];
  }
});
var c_value = $.getUrlVar('c');
$.cookie('feedback_klantenservice', 'yes', { expires: 1, path: '/'});
$.cookie('feedback_klantenservice_subject', c_value, { expires: 1, path: '/'});
_gaq.push(['_trackEvent', 'ODfeedback', 'Cookie', c_value]);