/*!
* NavScroll.js
* Version: 1.2.0
* Author: Jeroen Hammann
*
* Copyright (c) 2014 Jeroen Hammann
* Released under the MIT license
*/;(function($,window,document,undefined){'use strict';var pluginName='navScroll',defaults={scrollTime:500,navItemClassName:'',navHeight:'auto',mobileDropdown:false,mobileDropdownClassName:'',mobileBreakpoint:1024,scrollSpy:false};function NavScroll(element,options){this.element=element;this.options=$.extend({},defaults,options);this._defaults=defaults;this._name=pluginName;this.init();}
NavScroll.prototype={init:function(){var self,options,element,navItem,navOffset,scrollTime;self=this;options=self.options;element=self.element;if(options.navItemClassName===''){navItem=$(element).find('a');}else{navItem=$(element).find('.'+options.navItemClassName);}
if(options.navHeight==='auto'){navOffset=$(element).height();}else if(isNaN(options.navHeight)){throw new Error('\'navHeight\' only accepts \'auto\' or a number as value.');}else{navOffset=options.navHeight;}
navItem.on('click',function(e){var url,parts,target,targetOffset,targetTop;url=this.href;parts=url.split('#');target=parts[1];if(target!==undefined){e.preventDefault();targetOffset=$('#'+target).offset();targetTop=targetOffset.top;}
if($(this).data('scrolltime')!==undefined){scrollTime=$(this).data('scrolltime');}else{scrollTime=options.scrollTime;}
if(options.mobileDropdown&&$(window).width()>=0&&$(window).width()<=options.mobileBreakpoint){if(options.mobileDropdownClassName===''){$(element).find('ul').slideUp('fast');}else{$('.'+options.mobileDropdownClassName).slideUp('fast');}}
$('html, body').stop().animate({scrollTop:targetTop-navOffset},scrollTime);});if(options.scrollSpy){var scrollItems;scrollItems=[];navItem.each(function(){var scrollItemId=$(this).attr('href');scrollItems.push($(scrollItemId));});$(window).on('scroll',function(){self.scrollspy(navItem,scrollItems);});self.scrollspy(navItem,scrollItems);}},scrollspy:function(navItem,scrollItems){var scrollPos,changeBounds,i,l;scrollPos=(document.documentElement&&document.documentElement.scrollTop)||document.body.scrollTop;l=navItem.length;for(i=0;l>i;i++){var item=scrollItems[i];if(scrollPos>(item.offset().top-60)){navItem.removeClass('active');$(navItem[i]).addClass('active');}}}};$.fn[pluginName]=function(options){return this.each(function(){if(!$.data(this,'plugin_'+pluginName)){$.data(this,'plugin_'+pluginName,new NavScroll(this,options));}});};})(jQuery,window,document);