/* Flickrbadge v2.1 by Christian Heilmann http://wait-till-i.com */

function YAHOO_config_run(o){
	if(o===undefined){
		var feedUrl='http://yui.yahooapis.com/2.3.0/build/yahoo-dom-event/yahoo-dom-event.js';
		var s=document.createElement('script');
		s.src=feedUrl;
		s.type='text/javascript';
		document.getElementsByTagName('head')[0].appendChild(s);
	};
	if(o&&o.name==='yahoo-dom-event'){
		YAHOO.example.flickrbadge=function(){
			var YD=YAHOO.util.Dom,YE=YAHOO.util.Event,d=document,head=d.getElementsByTagName('head')[0];

// Variables to change 
var containerClass='flickrbadge';
var openClass='flickrbadgeopen';
var originClass='flickrlink';
var listClass='flickritems';
var bigImgageClass='flickrimage';
var CSSURL='flickrbadge.css';
var prevHTML='<img src="images/la.gif" alt="prev">';
var nextHTML='<img src="images/ra.gif" alt="next">';
var seeAllLabel='see all photos';
var navClass='flickrnav';
var currentClass='current';

// Evil, dark magic, don't touch! 
var bs=[];
var c=d.createElement('link');
c.rel='stylesheet';
c.type='text/css';
c.href=CSSURL;head.appendChild(c);
function seed(o){
	var reg=/\/|:|@|\./g;
	var chunks=o.link.split('/');
		chunks[4]=o.items[0].author_id;
	var id=chunks.join('/').replace(reg,'');
	var ori=d.getElementById(id);
	var oldori=d.getElementById(o.link.replace(reg,''));
	if(!ori){
		if(oldori){
			ori=oldori;
	}else{
		return;
	}
}
var out='';
var list=d.createElement('ul');
YE.on(list,'click',show);
YD.addClass(list,listClass);
for(var i=0;o.items[i];i++){
		if(i%4===0){
			if(i>0){
				out+='</ul></li>';
			};
			out+='<li><ul>';
		};
		out+='<li><a href="'+o.items[i].link+'" target="_blank"><img src="'+o.items[i].media.m.replace('_m','_s')+'" alt="'+o.items[i].title+'"></a></li>';
	};
	list.innerHTML=out;
	ori.appendChild(list);
	var outlist=d.createElement('ul');
	YD.addClass(outlist,navClass);
	var li=d.createElement('li');
	var back=d.createElement('a');
	back.href='#';
	YE.on(back,'click',go,{dir:-1,id:id});
	back.innerHTML=prevHTML;li.appendChild(back);
	outlist.appendChild(li);
	var li=d.createElement('li');
	var span=document.createElement('span');
	span.innerHTML='1 / 4';
	bs[id]={};
	bs[id].count=span;
	li.appendChild(span);
	outlist.appendChild(li);
	var li=d.createElement('li');
	var fwd=d.createElement('a');
	fwd.href='#';
	YE.on(fwd,'click',go,{dir:1,id:id});
	fwd.innerHTML=nextHTML;
	li.appendChild(fwd);
	outlist.appendChild(li);
	ori.appendChild(outlist);
	bs[id].sets=list.getElementsByTagName('ul');
	var p=d.createElement('p');
	var a=d.createElement('a');
	a.href=o.link;
	a.innerHTML=seeAllLabel;
	p.appendChild(a);
	ori.appendChild(p);
	bs[id].current=0;
	YD.addClass(bs[id].sets[0],currentClass);
};
function show(e,o){
	var t=YE.getTarget(e);
		if(t.nodeName.toLowerCase()==='img'){
			var id=this.parentNode.id;
			if(bs[id].img){
				bs[id].img.parentNode.removeChild(bs[id].img);
			};
			var img=document.createElement('img');
			img.src=t.src.replace('_s','_m');
			YE.on(img,'click',
				function(){
					bs[this.parentNode.id].img=null;
					YD.removeClass(this.parentNode,openClass);
					this.parentNode.removeChild(this);
				});
				YD.addClass(img,bigImgageClass);
				this.parentNode.appendChild(img);
				YD.addClass(this.parentNode,openClass);
				bs[this.parentNode.id].img=img;
			};
			YE.preventDefault(e);
		};
		function go(e,o){
			var b=bs[o.id];
			YD.removeClass(b.sets[b.current],currentClass);
			b.current=b.current+o.dir;
			if(b.current===4){
				b.current=0;
			}
			if(b.current===-1){
				b.current=3;
			}
			b.count.innerHTML=(b.current+1)+' / 4';
			YD.addClass(b.sets[b.current],currentClass);
			YE.preventDefault(e);};
			function init(o){
				var src=o.getElementsByTagName('a')[0];
				YD.addClass(src,originClass);
				var data=sanitizeUrl(src.href.replace('%40','@'));
				o.id=data[1];
				var s=d.createElement('script');
				s.src=data[0];
				s.type='text/javascript';
				head.appendChild(s);
			};
			function sanitizeUrl(url){
				var url=url.replace(/\/$/,'');
				var realname=(url.indexOf('#')!==-1)?url.split('#')[1]:null;
				url=url.split('#')[0];
				var chunks=url.split('/');
				var all=chunks.length;
				var apiurl='http://api.flickr.com/services/feeds/photos_public.gne?id=';
				if(url.indexOf('tags')!==-1){
				var feedURL=apiurl+chunks[all-3]+'&tags='+chunks[all-1]+'&format=json';
				chunks[all-3]=realname||chunks[all-3];
			}else{
				var feedURL=apiurl+chunks[all-1]+'&format=json';
				chunks[all-1]=realname||chunks[all-1];
			}
			var id=chunks.join('/').replace(/\/|:|@|\.|#.*/g,'');
			return[feedURL,id];};
			var bs=YD.getElementsByClassName(containerClass,'div');
			YD.batch(bs,init);
			return{
				seed:seed,go:go
			};
		}();
	};
};
function jsonFlickrFeed(o){
	YAHOO.example.flickrbadge.seed(o);
};
YAHOO_config={listener:YAHOO_config_run};
YAHOO_config_run();