old_contents: /*!
   * Sticky header script v0.0.1
   * https://github.com/IamEmpty/sticky-header
   *
   * Also you need to use jQuery
   * http://jquery.com/
   *
   * Copyright 2015 IamEmpty
   * Released under the MIT license
   * https://github.com/IamEmpty/sticky-header/blob/master/LICENSE
   *
   * Date: 2015-03-26T15:11Z
   */
  
  'use strict';
  
  
  (function ($) {
  
  	$.fn.stickyHeader = function( options ) {
  
  		var defaults = {
  			fixedBlock: '.header_fixed',
  			offsetTop: 470,
  			speed: 50
  		};
  
  
  		return this.each(function () {
  
  			var settings = $.extend({}, defaults, options),
  				$fixedBlock = $(settings.fixedBlock, this),
  				speed = settings.speed,
  				offsetTop = settings.offsetTop;
  
  			// Hide on default
  			$fixedBlock.hide();
  
  			$(window).scroll(function() {
  
  				if ( $(this).scrollTop() > offsetTop ) { // Show on scroll
  					$fixedBlock.slideDown( speed );
  				} else if ( $(this).scrollTop() <= offsetTop ) { // Hide on scroll
  					$fixedBlock.slideUp( speed );
  				}
  			});
  		});
  	};
  }(jQuery));
  
new_contents: /*!
   * Sticky header script v0.0.1
   * https://github.com/IamEmpty/sticky-header
   *
   * Also you need to use jQuery
   * http://jquery.com/
   *
   * Copyright 2015 IamEmpty
   * Released under the MIT license
   * https://github.com/IamEmpty/sticky-header/blob/master/LICENSE
   *
   * Date: 2015-03-26T15:11Z
   */
  
  
  (function ($) {
  	'use strict';
  
  	$.fn.stickyHeader = function( options ) {
  
  		var defaults = {
  			fixedBlock: '.header_fixed',
  			offsetTop: 470,
  			speed: 50
  		};
  
  
  		return this.each(function () {
  
  			var settings = $.extend({}, defaults, options),
  				$fixedBlock = $(settings.fixedBlock, this),
  				speed = settings.speed,
  				offsetTop = settings.offsetTop;
  
  			// Hide on default
  			$fixedBlock.hide();
  
  			$(window).scroll(function() {
  
  				if ( $(this).scrollTop() > offsetTop ) { // Show on scroll
  					$fixedBlock.slideDown( speed );
  				} else if ( $(this).scrollTop() <= offsetTop ) { // Hide on scroll
  					$fixedBlock.slideUp( speed );
  				}
  			});
  		});
  	};
  }(jQuery));
  
subject: fix jshint errors