/*
 * Visual Navigation (visualNav) v2.2 minified
 * https://github.com/Mottie/visualNav/wiki
 *
 * Copyright (c) 2011 Rob Garrison (aka Mottie & Fudgey)
 * Dual licensed under the MIT and GPL licenses.
 *
 */

(function(b){b.visualNav=function(d,f){var a=this;a.$el=b(d);a.$el.data("visualNav",a);a.win=window;a.$win=b(a.win);a.$doc=b(document);var h="html, body";b("html, body").each(function(){var a=b(this).attr("scrollTop");b(this).attr("scrollTop",a+1);if(b(this).attr("scrollTop")===a+1)return h=this.nodeName.toLowerCase(),b(this).attr("scrollTop",a),!1});a.$body=b(h);a.init=function(){a.options=b.extend({},b.visualNav.defaultOptions,f);a.content=b("."+a.options.contentClass);a.leftMargin=parseInt(a.content.css("margin-left"), 10);a.rightMargin=parseInt(a.content.css("margin-right"),10);if(!b.isFunction(b.easing[a.options.easing[0]]))a.options.easing=["swing","swing"];a.$body.bind("scroll mousedown DOMMouseScroll mousewheel keyup",function(b){(b.which>0||b.type==="mousedown"||b.type==="mousewheel")&&a.$body.stop()});a.$el.find(a.options.selectedAppliedTo+(a.options.selectedAppliedTo===a.options.link?"":" "+a.options.link)).add(b("."+a.options.contentLinks)).click(function(){var c=this.tagName==="A"?"href":a.options.targetAttr; a.animate(b(this).attr(c));return!1});a.$win.scroll(function(){a.findLocation()}).resize(function(){a.findLocation()})};a.animate=function(c){if(c!=="#"&&b(c).length){var e=b(c).eq(0).closest("."+a.options.contentClass);a.$body.stop().animate({scrollLeft:Math.min(e.offset().left,a.$doc.width()-a.$win.width())-a.leftMargin,scrollTop:Math.min(e.offset().top,a.$doc.height()-a.$win.height())},{queue:!1,duration:a.options.animationTime,specialEasing:{scrollLeft:a.options.easing[0]||"swing",scrollTop:a.options.easing[1]|| a.options.easing[0]||"swing"},complete:function(){if(a.options.useHash)a.win.location.hash=e[0].id}})}};a.findLocation=function(){var c,e,d,g,f,j,k,h,i=a.$win.width(),n=a.$win.scrollLeft(),o=a.$win.scrollTop(),p=n+i,l=o+a.$win.height(),q=a.$doc.height(),m=a.$el.find(a.options.selectedAppliedTo).removeClass(a.options.inViewClass);a.options.fitContent&&a.content.width(i-a.leftMargin-a.rightMargin);a.$el.find(a.options.link).each(function(i){g=b(this).attr(a.options.targetAttr);c=g==="#"||g.length<= 1?"":b(g);c.length&&(d=Math.ceil(c.offset().top),e=Math.ceil(c.offset().left),j=c.outerHeight(),f=d+j+a.options.bottomMargin,k=c.outerWidth(),h=e+k,d<l&&(d+j-a.options.bottomMargin>o||f>l)&&e<p&&(e+k-a.options.bottomMargin>n||h>p)&&m.eq(i).addClass(a.options.inViewClass))});g=l+a.options.bottomMargin>=q?":last":":first";m.removeClass(a.options.selectedClass);m.filter("."+a.options.inViewClass+g).addClass(a.options.selectedClass)};a.init();a.options.useHash&&a.win.location.hash&&setTimeout(function(){a.animate(a.win.location.hash)}, a.options.animationTime/2);a.findLocation()};b.visualNav.defaultOptions={link:"a",targetAttr:"href",selectedAppliedTo:"li",contentClass:"content",contentLinks:"visualNav",useHash:!0,inViewClass:"inView",selectedClass:"selected",bottomMargin:100,fitContent:!1,animationTime:1200,easing:["swing","swing"]};b.fn.visualNav=function(d){return this.each(function(){var f=b(this).data("visualNav");typeof d==="string"&&/^(#|\.)/.test(d)&&f.animate(d);f||new b.visualNav(this,d)})};b.fn.getvisualNav=function(){return this.data("visualNav")}})(jQuery);