/*! Smooth Scroll - v1.4.7 - 2012-10-29 * Copyright (c) 2012 Karl Swedberg; Licensed MIT, GPL */ (function($) { var version = '1.4.7', defaults = { exclude: [], excludeWithin:[], offset: 0, direction: 'top', // one of 'top' or 'left' scrollElement: null, // jQuery set of elements you wish to scroll (for $.smoothScroll). // if null (default), $('html, body').firstScrollable() is used. scrollTarget: null, // only use if you want to override default behavior beforeScroll: function() {}, // fn(opts) function to be called before scrolling occurs. "this" is the element(s) being scrolled afterScroll: function() {}, // fn(opts) function to be called after scrolling occurs. "this" is the triggering element easing: 'swing', speed: 400, autoCoefficent: 2 // coefficient for "auto" speed }, getScrollable = function(opts) { var scrollable = [], scrolled = false, dir = opts.dir && opts.dir == 'left' ? 'scrollLeft' : 'scrollTop'; this.each(function() { if (this == document || this == window) { return; } var el = $(this); if ( el[dir]() > 0 ) { scrollable.push(this); } else { // if scroll(Top|Left) === 0, nudge the element 1px and see if it moves el[dir](1); scrolled = el[dir]() > 0; if ( scrolled ) { scrollable.push(this); } // then put it back, of course el[dir](0); } }); // If no scrollable elements, fall back to , // if it's in the jQuery collection // (doing this because Safari sets scrollTop async, // so can't set it to 1 and immediately get the value.) if (!scrollable.length) { this.each(function(index) { if (this.nodeName === 'BODY') { scrollable = [this]; } }); } // Use the first scrollable element if we're calling firstScrollable() if ( opts.el === 'first' && scrollable.length > 1 ) { scrollable = [ scrollable[0] ]; } return scrollable; }, isTouch = 'ontouchend' in document; $.fn.extend({ scrollable: function(dir) { var scrl = getScrollable.call(this, {dir: dir}); return this.pushStack(scrl); }, firstScrollable: function(dir) { var scrl = getScrollable.call(this, {el: 'first', dir: dir}); return this.pushStack(scrl); }, smoothScroll: function(options) { options = options || {}; var opts = $.extend({}, $.fn.smoothScroll.defaults, options), locationPath = $.smoothScroll.filterPath(location.pathname); this .unbind('click.smoothscroll') .bind('click.smoothscroll', function(event) { var link = this, $link = $(this), exclude = opts.exclude, excludeWithin = opts.excludeWithin, elCounter = 0, ewlCounter = 0, include = true, clickOpts = {}, hostMatch = ((location.hostname === link.hostname) || !link.hostname), pathMatch = opts.scrollTarget || ( $.smoothScroll.filterPath(link.pathname) || locationPath ) === locationPath, thisHash = escapeSelector(link.hash); if ( !opts.scrollTarget && (!hostMatch || !pathMatch || !thisHash) ) { include = false; } else { while (include && elCounter < exclude.length) { if ($link.is(escapeSelector(exclude[elCounter++]))) { include = false; } } while ( include && ewlCounter < excludeWithin.length ) { if ($link.closest(excludeWithin[ewlCounter++]).length) { include = false; } } } if ( include ) { event.preventDefault(); $.extend( clickOpts, opts, { scrollTarget: opts.scrollTarget || thisHash, link: link }); $.smoothScroll( clickOpts ); } }); return this; } }); $.smoothScroll = function(options, px) { var opts, $scroller, scrollTargetOffset, speed, scrollerOffset = 0, offPos = 'offset', scrollDir = 'scrollTop', aniProps = {}, aniOpts = {}, scrollprops = []; if (typeof options === 'number') { opts = $.fn.smoothScroll.defaults; scrollTargetOffset = options; } else { opts = $.extend({}, $.fn.smoothScroll.defaults, options || {}); if (opts.scrollElement) { offPos = 'position'; if (opts.scrollElement.css('position') == 'static') { opts.scrollElement.css('position', 'relative'); } } } opts = $.extend({link: null}, opts); scrollDir = opts.direction == 'left' ? 'scrollLeft' : scrollDir; if ( opts.scrollElement ) { $scroller = opts.scrollElement; scrollerOffset = $scroller[scrollDir](); } else { $scroller = $('html, body').firstScrollable(); } // beforeScroll callback function must fire before calculating offset opts.beforeScroll.call($scroller, opts); scrollTargetOffset = (typeof options === 'number') ? options : px || ( $(opts.scrollTarget)[offPos]() && $(opts.scrollTarget)[offPos]()[opts.direction] ) || 0; aniProps[scrollDir] = scrollTargetOffset + scrollerOffset + opts.offset; speed = opts.speed; // automatically calculate the speed of the scroll based on distance / coefficient if (speed === 'auto') { // if aniProps[scrollDir] == 0 then we'll use scrollTop() value instead speed = aniProps[scrollDir] || $scroller.scrollTop(); // divide the speed by the coefficient speed = speed / opts.autoCoefficent; } aniOpts = { duration: speed, easing: opts.easing, complete: function() { opts.afterScroll.call(opts.link, opts); } }; if (opts.step) { aniOpts.step = opts.step; } if ($scroller.length) { $scroller.stop().animate(aniProps, aniOpts); } else { opts.afterScroll.call(opts.link, opts); } }; $.smoothScroll.version = version; $.smoothScroll.filterPath = function(string) { return string .replace(/^\//,'') .replace(/(index|default).[a-zA-Z]{3,4}$/,'') .replace(/\/$/,''); }; // default options $.fn.smoothScroll.defaults = defaults; function escapeSelector (str) { return str.replace(/(:|\.)/g,'\\$1'); } })(jQuery); jQuery.fn.highlight = function() { $(this).each(function() { var el = $(this); el.before("

") el.prev() .width(el.width()) .height(el.height()) .css({ "position": "absolute", "background-color": "#ffffcc", "opacity": ".9" }) .fadeOut(1200); }); }