(function ($) {
  var BrowserClass = {
    init: function() {
      this.agent = navigator.userAgent.toLowerCase();
      this.browser = this.checkBrowser();
      this.platform = this.checkPlatform();
      this.classes = this.browser.concat(this.platform);
    },

    checkBrowser: function() {
      var classes = Array();

      if (this.agent.match(/msie/)) {
        classes.push('ie');

        reg_res = this.agent.match(/.*msie ([0-9]*)\..*/);
        classes.push(reg_res[1]);

      }

      if (this.agent.match(/opera/)) {
        classes.push('opera');
      }

      // Chrome is send safari header too
      if (this.agent.match(/chrome/)) {
        classes.push('chrome');
      } else if (this.agent.match(/safari/)) {
        classes.push('safari');
      }

      if (this.agent.match(/netscape/)) {
        classes.push('netscape');
      }

      if (this.agent.match(/firefox/)) {
        classes.push('ff');
      }

      if (this.agent.match(/konqueror/)) {
        classes.push('konqueror');
      }

      if (this.agent.match(/dillo/)) {
        classes.push('dillo');
      }

      if (this.agent.match(/chimera/)) {
        classes.push('chimera');
      }

      if (this.agent.match(/beonex/)) {
        classes.push('beonex');
      }

      if (this.agent.match(/aweb/)) {
        classes.push('aweb');
      }

      if (this.agent.match(/amaya/)) {
        classes.push('amaya');
      }

      if (this.agent.match(/icab/)) {
        classes.push('icab');
      }

      if (this.agent.match(/lynx/)) {
        classes.push('lynx');
      }

      if (this.agent.match(/galeon/)) {
        classes.push('galeon');
      }

      if (this.agent.match(/opera mini/)) {
        classes.push('operamini');
      }

      return classes;
    },

    checkPlatform: function() {
      var classes = Array();

      if (this.agent.match(/windows/)) {
        classes.push('win');
      }

      if (this.agent.match(/ipad/)) {
        classes.push('ipad');
      }

      if (this.agent.match(/ipod/)) {
        classes.push('ipod');
      }

      if (this.agent.match(/iphone/)) {
        classes.push('iphone');
      }

      if (this.agent.match(/mac/)) {
        classes.push('mac');
      }

      if (this.agent.match(/android/)) {
        classes.push('android');
      }

      if (this.agent.match(/linux/)) {
        classes.push('linux');
      }

      if (this.agent.match(/nokia/)) {
        classes.push('nokia');
      }

      if (this.agent.match(/blackberry/)) {
        classes.push('blackberry');
      }

      if (this.agent.match(/freebsd/)) {
        classes.push('freebsd');
      }

      if (this.agent.match(/openbsd/)) {
        classes.push('openbsd');
      }

      if (this.agent.match(/netbsd/)) {
        classes.push('netbsd');
      }

      return classes;
    }

  };

  BrowserClass.init();
  $('body').addClass(BrowserClass.classes.join(' '));
})(jQuery);;