chosen mobile support

    AbstractChosen.browser_is_supported = function() {
      /*
	  if ("Microsoft Internet Explorer" === window.navigator.appName) {
        return document.documentMode >= 8;
      }
      if (/iP(od|hone)/i.test(window.navigator.userAgent) || /IEMobile/i.test(window.navigator.userAgent) || /Windows Phone/i.test(window.navigator.userAgent) || /BlackBerry/i.test(window.navigator.userAgent) || /BB10/i.test(window.navigator.userAgent) || /Android.*Mobile/i.test(window.navigator.userAgent)) {
        return false;
      }
	  */
      return true;
    };