(function (src, callback){
	var script = document.createElement('script');
	script.type = 'text/javascript';
	script.onreadystatechange = function(x){
		if (this.readyState == 'loaded' || this.readyState == 'complete')
			callback();
	};
	script.onload = callback;
	script.src = src;
	document.getElementsByTagName("head")[0].appendChild(script);
})('http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js', function(){
	jQuery(document).ready(jQueryReady);
});

function jQueryReady($){
	
	var
	_id = '#congressopt_ctn',
	_id_placeholder = '#congressopt',
	SERVER_PATH = ~location.href.indexOf('localhost') ? './' : 'http://www.bistromkt.com.br/ptwitter2/',
	banner = false;
	
	var pTweets = {
		body: '<ul class="ptmb_tweets"><li><a class="foto" href="#" target="_blank"><img src=""/></a><span class="user"></span><p></p><span class="date"></span></li></ul><a class="ptmb_siga" target="_blank" href="http://twitter.com/ptbrasil">Siga @ptbrasil</a><a class="ptmb_vertodos" href="#">Ver todos</a><input type="text" value="&lt;script type=&quot;text/javascript&quot; src=&quot;'+SERVER_PATH+'js/congressopt.js&quot; id=&quot;congressopt&quot;&gt;&lt;/script&gt;" title="Cole o c&oacute;digo no seu site" /><a class="ptmb_codigo" href="#" >Copiar código</a>',
		css_banner: '@-moz-document url-prefix(){#congressopt_ctn a.ptmb_codigo,x:-moz-any-link,x:only-child{background: url('+SERVER_PATH+'img/banner_congressopt.jpg) no-repeat -695px -60px;cursor:default}}#congressopt_ctn{width:750px;height:189px;background: url('+SERVER_PATH+'img/banner_congressopt.jpg) no-repeat;position:relative;overflow:visible;z-index:19;}#congressopt_ctn *{font-family:"Trebuchet MS","Gill Sans",Tahoma,sans-serif;margin:0;padding:0;border:0 none;font-size:13px;list-style:none;position:absolute;outline:0;overflow:hidden}#congressopt_ctn a{text-indent:-9999em;overflow:hidden}#congressopt_ctn ul.ptmb_tweets{width:556px;height:108px;left:133px;top:40px;}#congressopt_ctn li{width:475px;height:80px;padding:0 0 5px 60px;margin:10px 10px 10px;border-bottom:1px dashed #CCC;position:relative;overflow:hidden;text-align:left;//zoom:1;//display:inline;}#congressopt_ctn li *{position:static;text-align:left;text-transform:none;letter-spacing:0}#congressopt_ctn p{line-height:1.2;color:#000;}#congressopt_ctn a.foto{position:absolute;width:48px;height:48px;top:5px;left:5px;}#congressopt_ctn a.foto img{width:48px;height:48px;display:block}#congressopt_ctn span.user{font-size:11px;font-weight:700;color:#c00;}#congressopt_ctn span.date{color:#999;font-size:11px;font-style: italic;}#congressopt_ctn a.ptmb_siga{width:118px;height:28px;left:54px;top:154px;}#congressopt_ctn input{width:316px;line-height:20px;height:21px;background-color:#FFF;color:#555;left:356px;top:157px;padding:0 1px;border:2px solid #FFF;}#congressopt_ctn a.ptmb_vertodos{width:46px;height:28px;right:8px;top:117px;}#congressopt_ctn a.ptmb_codigo{width:52px;height:26px;right:6px;bottom:8px;}#congressopt_ctn iframe{width:750px;height:189px;position:absolute;top:0;left:0;z-index:9998;overflow:auto;}#congressopt_ctn .ptmb_fechar{display:block;text-align:center;width:15px;height:15px;line-height:15px;background:#000;border:1px solid #333;color:#FFF;cursor: pointer;position:absolute;top:0;left:715px;z-index:9999;}',
		css_widget: '#congressopt_ctn{width:220px;height:170px;padding-top:30px;background:#900 url('+SERVER_PATH+'img/widget_congressopt.png) no-repeat;position:relative;margin:15px 0;overflow:hidden;}#congressopt_ctn *{font-family:"Trebuchet MS","Gill Sans",Tahoma,sans-serif;margin:0;padding:0;border:0 none;font-size:12px;list-style:none;outline:0;overflow:hidden}#congressopt_ctn .IR{display:block;text-indent:-9999em;overflow:hidden}#congressopt_ctn ul.ptmb_tweets{width:200px;padding:5px 10px;height:130px;}#congressopt_ctn li{width:150px;padding:0 0 3px 45px;border-bottom:1px dashed #CCC;position:relative;overflow:hidden;text-align:left;text-indent:0;//zoom:1;//display:inline;}#congressopt_ctn li *{position:static;text-align:left;text-transform:none;letter-spacing:0;line-height:1;}#congressopt_ctn p{color:#111;line-height:13px}#congressopt_ctn a.foto{position:absolute;width:40px;height:40px;top:5px;left:0;}#congressopt_ctn a.foto img{width:40px;height:40px;display:block;}#congressopt_ctn span.user{font-size:10px;font-weight:700;color:#c00;}#congressopt_ctn span.date{color:#999;font-size:10px;font-style: italic;}#congressopt_ctn a.ptmb_siga{width:200px;height:30px;}#congressopt_ctn input{width:190px;height:18px;background-color:#FFF;color:#444;margin:2px 10px;padding:1px 3px 0;display:block;}#congressopt_ctn a.ptmb_vertodos{width:46px;height:28px;right:8px;top:117px;display:none;}'
	};
	
	if ($(_id).length)
		return;
	
	if (!$(_id_placeholder).length){
		
		var banner = $(_id_placeholder+='-banner');
		if (banner.length)
			banner = true;
		else
			return false;
		
	}
	
	$.fn.linkify = function(){
	/* ricardobeat at gmail.com */
		return this.each(function(){
			var t = $(this).text().replace(' ww.', ' www.').replace(/(http:\/\/|www\.)[^\s]+/, function(a,b){
			var txt = a.substring(0, 50) + (a.length > 50 ? '...' : '');
				return '<a target="_blank" href="'+a+'">'+txt+'</a>';
			});
			
			$(this).html( t );
		});
	};
	
	function tempoRelativo(dat){
		var s = ~~( (+new Date-Date.parse(dat)) / 1000 );
		// unidade de tempo
		var un = (s<60) ? 'segundo'
			: (s /= 60)<60 ? 'minuto'
			: (s /= 60)<24 ? 'hora'
			: (s /= 24)<30.4 ? 'dia'
			: (s /= 30.4)<365 ? 'mes'
			: 'ano';
		un += (s=~~s)>1 ? 's' : '';
		return s+' '+un;
	};
	
	function atualizar(tweets){
		$.each( tweets, function(){
		
			if ($(_id+' li[id=t'+this.id+']').length)
				return true;
			
			var tempo = tempoRelativo( this.created_at );
			var $twee = tpl.clone().attr('id', 't'+this.id);
			
			$twee
				.find('a')
					.attr('href', 'http://twitter.com/'+this.screen_name)
					.find('img').attr('src', this.profile_image_url).end()
					.end()
				.find('.user')
					.text(this.screen_name).end()				
				.find('p')
					.html(this.text).linkify().end()
				.find('.date')
					.html(tempo + ' atr&aacute;s').end()
				.hide()
				.prependTo(_id+' ul');
			
		});
	};
	
	var delay = 0;
	
	function updateTweets(tweets){
		if (tweets && tweets.results && tweets.results.length)
			atualizar( tweets.results.reverse() );
		else
			delay = !delay;
		$tweets = $(_id+' li');
		$tweets.eq(0).fadeIn();
		var i = 0;
		
		function roll(){
			var atual = $tweets.eq(i), next = atual.next();
			atual.hide();
			if (next.length){
				next.fadeIn();
				i++;
				setTimeout(roll, 7000);
			} else {
				if (delay) {
					updateTweets();
				} else {
					var last = $tweets.eq(0).attr('id').substring(1);
					$.getJSON(SERVER_PATH+'tweets_json.php?callback=?', { since: last }, updateTweets);
					i = 0;
				}
			}
		};
		
		setTimeout(roll, 7000);
	
	};
	
	var tpl;
	
	$(document.body).append('<style type="text/css">'+pTweets[banner ? 'css_banner' : 'css_widget']+'</style>');
	
	$.getJSON(SERVER_PATH+'tweets_json.php?callback=?', function(tweets){
		
		var div = $('<div id="'+_id.substring(1)+'" />').insertAfter(_id_placeholder);
		div.html( pTweets.body );
		tpl = $(_id+' li:first').remove();
		updateTweets( tweets );
		$(_id)
			.find('.ptmb_codigo').click(function(){
				if (window.clipboardData)
					window.clipboardData.setData('Text', $(_id+' input').val());
				return false;
			}).end()
		
		if (banner){
			$(_id)
				.find('input').bind('focus click', function(){
					$(this)[0].select();
				}).end()
				.find('.ptmb_vertodos').click(function(){
					$todos.attr('src', SERVER_PATH).slideDown();
					$fechar.fadeIn();
					return false;
				});
			var $todos = $('<iframe frameborder="0" width="750" src="" />').hide();
			var $fechar = $('<div />').text('X').addClass('ptmb_fechar').hide().click(function(){
				$(this).add($todos).slideUp();
			});
			div.append($todos, $fechar);
		} else {
			$(_id).find('.ptmb_siga,.ptmb_vertodos,.ptmb_codigo').addClass('IR');
		}
	});
		
};