// Functions
//--------------------

// Function include()
//  usage:
//  include (tagname, arguments(JSON))
var include = function(_tag, _args){
	var tag=document.createElement(_tag);
	for (attr in _args) {
		tag.setAttribute(attr, _args[attr]);
	}
	var list=document.documentElement.getElementsByTagName("*");
	for(var i=0; i<list.length; i++) {
   		if(list[i].tagName=="HEAD") {
       		break;
   		}
   	}
	var HeadTag=list[i];
	HeadTag.insertBefore(tag, list[i+1]);
}

// Function isIncluded()
// usage:
// var check=isIncluded(tagname,filename)
var isIncluded = function(_tag, _file){
	var tag=document.getElementsByTagName(_tag);
	var check=false;
	var i=0;
	var filename;
	while (i<tag.length){
	try{
		filename=tag[i].src.match(/http:[\/][\/].*[\/](.*)/)[1];
	}catch (e){
		filename=tag[i].src;
	}
		check=(filename==_file);
		i=check?tag.length:i+1;
	}
	return check;
}
var playL2B=function(arrayItems,id) {
	this.items=arrayItems.video_list.video;
	this.id=id;
	this.m_id=0;
	this.v_id=new Array();
	this.num=Math.min(25,this.items.length);
	this.html='';
	this.postfix='';
	this.setPostfix();
}
playL2B.prototype={
	tune:function(channel) {
		this.m_id=channel;
		this.play();
		this.putAds();
	},
	next:function() {
		this.m_id+=(this.m_id<19)?1:-19
		this.play();
	},
	prev:function() {
		this.m_id+=(this.m_id>0)?-1:+19;
		this.play();
	},
	play:function() {
		this.make();
		document.getElementById(this.id).innerHTML=this.html;
	},
	make:function() {
		var item=this.items[this.v_id[this.m_id]];
		var v_id=item.url.match(/=.*/);
		var vId=v_id[0].substr(1,11);
		var vMin=Math.floor(parseInt(item.length_seconds)/60);
		var vSec=parseInt(item.length_seconds)-vMin*60;
		this.html='';
		this.html+=this.makeFlvObject(160,120,vId);
		this.html+='<br><a href="#" onClick="L2B.showLargeMovie();return false;">Play Video on Large Screen!</a><br>';
		this.html+=this.postfix;
		//this.html+=vMin+'Min '+vSec+'Sec';
	},
	makeFlvObject:function(w,h,vId) {
		var html='';
		html+='<object width="'+w+'" height="'+h+'" type="application/x-shockwave-flash" data="http://www.youtube.com/v/'+vId+'">';
		html+='<param name="movie" value="http://www.youtube.com/v/'+vId+'" ></param>';
		html+='<param name="play" value="true">';
		html+='<param name="wmode" value="transparent">';
		html+='<embed src="http://www.youtube.com/v/'+vId+'" type="application/x-shockwave-flash" width="'+w+'" height="'+h+'" wmode="transparent"></embed>';
		html+='</object>';
		return html;
	},
	setPostfix:function() {
		var i=0;
		this.postfix='<div style="width:160px; height:160px; overflow:scroll; border:none;"><table style="font-size:10px;width:140px;">'
		for (var item in this.items){
			if ((i<this.num)&&(this.items.hasOwnProperty(item))) {
				this.v_id[i]=item;
				this.postfix+='<tr>';
				this.postfix+='<td style="width: 48px;">';
				this.postfix+='<a href="#" onClick="L2B.tune('+i+');return false">';
				this.postfix+='<img src="'+this.items[item].thumbnail_url+'" title="'+this.items[item].title+'" width="48" height="36" border="0">';
				this.postfix+='</a>';
				this.postfix+='</td><td style="width: 92px">';
				this.postfix+=this.items[i].title;
				this.postfix+='</td></tr>';
				i++;
			}
		}
		this.postfix+='</table></div>';
	},
	getPageSize:function() {
		var de = document.documentElement;
		var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
		var h = self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
		if (window.innerHeight && window.scrollMaxY) {	
			var y = window.innerHeight + window.scrollMaxY;
		}else if (document.body.scrollHeight > document.body.offsetHeight){ 
			var y = document.body.scrollHeight;
		} else { 
			var y = document.body.offsetHeight;
		}
		if (self.pageYOffset) {
			var t = self.pageYOffset;
		} else if (document.documentElement && document.documentElement.scrollTop){	
			var t = document.documentElement.scrollTop;
		} else if (document.body) {
			var t = document.body.scrollTop;
		}

		return ({"w":w,"h":h,"y":y,"t":t});
	},
	showLargeMovie:function() {
	},
	putAds:function() {
	}
}

var play=function(JSON){
	var artist=JSON.artist;
	var favorite;
	var count=0;
	var music;
	favorite=artist[Math.floor(Math.random()*artist.length)].name;
	document.getElementById('last2b_title').innerHTML='<a href="http://www.last.fm/music/'+favorite+'/" target="_blank">'+favorite+'</a>';
	objAmazon.search(favorite);
	var urlTube='http://www.got2do.com/api/proxyJSON.php?name_f=jsonL2B.onload&uri_xml=http://www.youtube.com/api2_rest&dev_id=VgOesuy66VU&method=youtube.videos.list_by_tag&tag='+favorite;
	include('script',{type:'text/javascript',src:urlTube});
}

//Global Variables
var objAmazon; // instance of AWsearch
var __l2bAds_id='Last2b_small_ads';
var __l2b_affiliateID='got2do05-22/';

var L2B={};
var jsonL2B={};
jsonL2B.onload=function(arrayL2B) {
	try{
		L2B=new playL2B(arrayL2B,'last2b_movie');
		L2B.play();
	}catch(e){
		document.getElementById('last2b_movie').innerHTML='';
	}
}

// main
document.write('<div style="width:160px; font: normal 12px \'Trebuchet MS\', Verdana, sans-serif; background:transparent;"><div id="last2b_title" style="font: bold 12px \'Trebuchet MS\', Verdana, sans-serif;"></div><div id="last2b_movie" style="width:160; ">Loading Video...</div><div id="'+__l2bAds_id+'"></div>powered by <a href="http://teddy-g.cocolog-nifty.com/">TEDDY-G</a></div>');

if (!isIncluded('script','awsearch.js')) include('script',{'type':'text/javascript','src':'http://www.got2do.com/api/awsearch.js'});
if (!isIncluded('script','jquery.js')) include('script',{type:'text/javascript',src:'http://www.got2do.com/api/jquery.js'});
if (!isIncluded('link','U2Bplayer.css')) include ('link', {type:'text/css',href:'http://www.got2do.com/api/U2Bplayer.css',rel:'stylesheet'});

var L2Btimer=setInterval(function(){
	try{
		// add method to playL2B
		playL2B.prototype.showLargeMovie=function(){
				var item=this.items[this.v_id[this.m_id]];
				var v_id=item.url.match(/=.*/);
				var vId=v_id[0].substr(1,11);
				var vMin=Math.floor(parseInt(item.length_seconds)/60);
				var vSec=parseInt(item.length_seconds)-vMin*60;
				var title=((item.title.length>30)?(item.title.substr(0,27)+'...'):item.title)+'('+vMin+':'+('00'+vSec).substr(-2,2)+')';
				var html='';
				//html+='<div id="u2b_overlay"></div>';
				//html+='<div id="u2b_movie_large">'
				html+='<div id="u2b_movie_title">'+title+'</div>';
				html+='<div id="u2b_screen">';
				html+=this.makeFlvObject(425,350,vId);
				html+='</div>';
				html+='<div id="u2b_tools">';
				html+='<a href="http://www.youtube.com/watch?v='+vId+'" target="_blank">&gt;Youtube</a> ';
				html+='<a href="http://youtubech.com/test/read.cgi?dl='+vId+'">&gt;Download</a>    ';
				html+='<span id="u2b_movie_close">[x]Close</span>';
				var size=this.getPageSize();
				$('body').append('<div id="u2b_overlay"></div><div id="u2b_movie_large">'+html+'</div>');
				$('#u2b_overlay').css({height:(size.y)+'px'});
				$('#u2b_movie_large').css({"left":((size.w-435)/2)+'px',"top":((size.t+(size.h-400)/2))+'px'});
				$('#u2b_overlay').click(function(){$('#u2b_movie_large').innerHTML='';$('#u2b_overlay').remove();$('#u2b_movie_large').remove();});
				$('#u2b_movie_close').click(function(){$('#u2b_movie_large').innerHTML='';$('#u2b_overlay').remove();$('#u2b_movie_large').remove();});
				$('#u2b_overlay').show();
				$('#u2b_movie_large').show();

		};

		//search amazon
		objAmazon=new AWSearch('08YSHVED3BV6DH6PNKR2','http://www.got2do.com/api/awsearch.xsl');
		objAmazon.options.onCreate=function(){document.getElementById(__l2bAds_id).innerHTML='Loading...';};
		objAmazon.options.onSuccess=function(result){
			var html='Advertisements by <a href="http://www.amazon.co.jp/">Amazon</a>';
			try {
				for (var i=0;i<Math.min(result.items.length,5);i++){
					var item=result.items[i];
					var url='http://www.amazon.co.jp/exec/obidos/ASIN/' + item.asin + '/ref%3Dnosim/' + __l2b_affiliateID;
					var title=(item.title.length>25)?item.title.substr(0,25)+'...':item.title;
					var img='<img src="http://images-jp.amazon.com/images/P/'+item.asin+'.09.THUMBZZZ.jpg" width="48" height="36" border=0 align="left">';
					var link='<a href="'+url+'" target="_blank">';
					html+='<table style="background-color:#eeeeee; width:160px; border:solid thin #cccccc; "><tr><td>'+link+img+'</a></td><td style="font-size:10px;">'+link+title+'</a></td></tr></table>';
				}
			} catch(e) {
				html='';
			}
			document.getElementById(__l2bAds_id).innerHTML=html;
		};
		objAmazon.options.mode='music-jp';
		var urlLastFm='http://www.got2do.com/api/proxyJSON.php?uri_xml=http://ws.audioscrobbler.com/1.0/user/yzgd/weeklyartistchart.xml&name_f=play';
		include('script',{type:'text/javascript',src:urlLastFm});
		clearInterval(L2Btimer);
	}catch(e){
		throw(e);
	}

	
},1000);