/**

 * cbpAnimatedHeader.js v1.0.0

 * http://www.codrops.com

 *

 * Licensed under the MIT license.

 * http://www.opensource.org/licenses/mit-license.php

 * 

 * Copyright 2013, Codrops

 * http://www.codrops.com

 */

var cbpAnimatedHeader = (function() {



	var docElem = document.documentElement,

		header = document.querySelector( '.cbp-af-header' ),

		/*mobheader = document.querySelector( '#wrapper' ),*/

		/*faq = document.querySelector( '.faq-sec' ),*/

		didScroll = false,

		changeHeaderOn = 30;



	function init() {

		window.addEventListener( 'scroll', function( event ) {

			if( !didScroll ) {

				didScroll = true;

				setTimeout( scrollPage, 50 );

			}

		}, false );

	}



	function scrollPage() {

		var sy = scrollY();

		if ( sy >= changeHeaderOn ) {

			classie.add( header, 'cbp-af-header-shrink' );

			/*classie.add( mobheader, 'cbp-af-mobheader-shrink' );*/

			/*classie.add( faq, 'cbp-af-faq-shrink' );*/

		}

		else {

			classie.remove( header, 'cbp-af-header-shrink' );

			/*classie.remove( mobheader, 'cbp-af-mobheader-shrink' );*/

			/*classie.remove( faq, 'cbp-af-faq-shrink' );*/

		}

		didScroll = false;

	}



	function scrollY() {

		return window.pageYOffset || docElem.scrollTop;

	}



	init();



})();