Smooth Scroll
/**
* This part handles the highlighting functionality.
* We use the scroll functionality again, some array creation and
* manipulation, class adding and class removing, and conditional testing
*/
var aChildren = $('.collection-nav li').find('a'); // find the a children of the list items
var aArray = []; // create the empty aArray
for (var i = 0; i < aChildren.length; i++) {
var aChild = aChildren[i];
var ahref = $(aChild).attr('href');
aArray.push(ahref);
} // this for loop fills the aArray with attribute href values
$(window).scroll(function(){
var windowPos = $(window).scrollTop(); // get the offset of the window from the top of page
var windowHeight = $(window).height(); // get the height of the window
var docHeight = $(document).height();
for (var i=0; i < aArray.length; i++) {
var theID = aArray[i];
var divPos = $(theID).offset().top - 105; // get the offset of the div from the top of page
var divHeight = $(theID).height(); // get the height of the div in question
if (windowPos >= divPos && windowPos < (divPos + divHeight)) {
$("a[href='" + theID + "']").addClass('current');
} else {
$("a[href='" + theID + "']").removeClass('current');
}
}
if(windowPos + windowHeight == docHeight) {
if (!$('.collection-nav li:last-child a').hasClass('current')) {
var navActiveCurrent = $(".current").attr("href");
$("a[href='" + navActiveCurrent + "']").removeClass('current');
$('.collection-nav li:last-child a').addClass('current');
}
}
});
/* Smooth Scroll */
$('a[href*=#]:not([href=#])').click(function() {
if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'') || location.hostname == this.hostname) {
var target = $(this.hash);
target = target.length ? target : $('[name=' + this.hash.slice(1) +']');
if (target.length) {
$('html,body').animate({
scrollTop: target.offset().top
}, 1000);
return false;
}
}
});