snippet gs_bootstrap

// NAVI
function bs_navigation() {

  /* affix the navbar after scroll below header */
  $('nav').affix({
      offset: {
          top: $('header').height()-$('nav').height()
      }
  });

  /* on click hide collapse navbar */
  $('.navbar-collapse a').on('click', function(){
      $(".navbar-collapse").collapse('hide');
  });

  $(document).on('scroll', function(){
      if ( $(window).scrollTop() > $(window).height() ) {
          $('.scroll-to-top').show('slow');
      } else {
          $('.scroll-to-top').hide('slow');
      }
  });

  /* highlight the top nav as scrolling occurs */
  $('body').scrollspy({
      target: 'nav', offset: 50
  })

  /* smooth scrolling for nav sections */
  $('a[href^=#]').on('click', function() {
      var anchor = $(this).attr('href');
      var top = $(anchor).offset().top-50;
      console.log("scroll to top: " + top);

      if () {
          top = $('header').height()-$('nav').height()
      }

      $('html, body').stop().animate({
          scrollTop: $(anchor).offset().top-50
      },'slow');
  });

  /* smooth scrolling for scroll to top */
  $('.scroll-to-top').on('click', function(){
      $('body,html').animate({scrollTop:0},'slow');
  })
  
  /* resize header from window-height to min-height */
  $(window).on("resize",function() {
    if ( $(window).height() > 470 && $(window).height() < 670  ) {
        $('header').height($(window).height() - 120);
    }
  });
  $(window).trigger('resize');

}//end function


// Normalize Carousel Heights - pass in Bootstrap Carousel items.
$.fn.carouselHeights = function() {

    var items = $(this), //grab all slides
        heights = [], //create empty array to store height values
        tallest; //create variable to make note of the tallest slide

    var normalizeHeights = function() {

        items.each(function() { //add heights to array
            heights.push($(this).height());
        });
        tallest = Math.max.apply(null, heights); //cache largest value
        items.each(function() {
            //$(this).css('min-height',tallest + 'px');
            tallest = $('header').height();
            $(this).css('min-height',tallest + 'px');
            $(this).css('max-height',tallest + 'px');
        });
    };

    normalizeHeights();

    $(window).on('resize orientationchange', function () {
        //reset vars
        tallest = 0;
        heights.length = 0;

        items.each(function() {
            $(this).css('min-height','0'); //reset min-height
        });
        normalizeHeights(); //run it again
    });

}//end function


// CAROUSEL
function bs_carousel(obj) {

    if(!obj.length) return;

    obj.carousel({

    });

}//end function


// sliderHeight
function bs_sliderHeight() {

    var wh = $(window).height();
    $('header').css({height: wh});
    $('#header_section').css({height: wh});

    $(window).on('resize orientationchange', function () {

        bs_sliderHeight(); //run it again

    });

}//end function


// LAZYLOAD
function bs_lazyload(obj) {

    if(!obj.length) return;

    obj.lazyload({

        threshold: 200,
        skip_invisible: true,
        effect: "fadeIn"

    });

}//end function


// VEGAS
// Define backgrounds array
var bgimages_lalanterna = [
    { src: '/files/la_laterna_-_restaurant_011_-_sm.jpg' },
    { src: '/files/la_lanterna_-_restaurant_022.jpg' },
    { src: '/files/la_lanterna_-_restaurant_042.jpg' }
]

// Define backgrounds array
var bgimages_daisa = [
    { src: '/files/la_laterna_-_restaurant_011_-_sm.jpg' },
    { src: '/files/la_lanterna_-_restaurant_022.jpg' },
    { src: '/files/la_lanterna_-_restaurant_042.jpg' }
]

function bs_vegas(obj, files) {

    if(!obj.length) return;

    obj.vegas({

        delay: 7000,
        timer: false,
        shuffle: true,
        transition: 'blur2',
        animation: 'random',
        transitionDuration: 2000,
        cover: true,
        slides: files

    });

}//end function


// GOOGLEMAPS
function bs_googlemaps() {

    var var_location = new google.maps.LatLng(45.7813218,9.6225415);

    var var_mapoptions = {
        center: var_location,
        zoom: 14
    };

    var var_marker = new google.maps.Marker({
        position: var_location,
        map: var_map,
        title:"Venice"});

    var var_map = new google.maps.Map(document.getElementById("map-container"),
        var_mapoptions);

    var_marker.setMap(var_map);

}//end function



// READY - START
$(document).ready(function() {

    // Call BS_SLIDERHEIGHT
    bs_sliderHeight();

    // Call BS_NAVIGATION
    bs_navigation();

    // Call BS_CAROUSEL
    //bs_carousel($("#myCarousel"));

    // Call BS_LAZYLOAD
    bs_lazyload($(".lazyload"));

    // Call BS_VEGAS
    bs_vegas($("#header_section,[class^=La_Lanterna]"), bgimages_lalanterna);
    bs_vegas($("#header_section,[class^=Da_Isa]"), bgimages_daisa);

    // Call Google Maps
    //google.maps.event.addDomListener(window, 'load', bs_googlemaps);

    // Call carouselHeights
    //$('#header_section').carouselHeights();

});
// Ende ready function()