(function($) {
  $.fn.tweet = function(o){
    var s = {
      username: "jrgarou",   // [string]   required, unless you want to display our tweets. :)
      count: 3,                  // [integer]  how many tweets to display?
      intro_text: null,          // [string]   do you want text BEFORE your your tweets?
      outro_text: null,          // [string]   do you want text AFTER your tweets?
      join_text:  "",          // [string]   the text in between the date stamp and tweet
      loading:    null
    };
    if(o) $.extend(s, o);
    return this.each(function(){
      var list = $('<ul class="tweet_list">').appendTo(this);
      var url = 'http://twitter.com/status/user_timeline/'+s.username+'.json?count='+s.count+'&callback=?';
      var intro = '<p class="tweet_intro">'+s.intro_text+'</p>'
      var join = '<span class="tweet_join">'+s.join_text+'</span>'
      var outro = '<p class="tweet_outro">'+s.outro_text+'</p>'
      $.getJSON(url, function(data){
        if (s.intro_text) list.before(intro); 
        $.each(data, function(i, item) { 
          list.append('<li><span class="tweet_text">' +join+ item.text.linkify().linkuser().linktag() + ' - <a id="about" href="http://twitter.com/' + s.username +'/statuses/' + item.id + '" title="view tweet on twitter">' + relative_time(item.created_at) + '</a>'+ '</span></li>');
        });
        $('.tweet_list li:odd').addClass('tweet_even');
        $('.tweet_list li:even').addClass('tweet_odd');
        $('.tweet_list li:first').addClass('tweet_first');
        $('.tweet_list li:last').addClass('tweet_last');
        if (s.outro_text) list.after(outro); 
      });
    });
  };//END TWEET
  
  	
	var $scrollTo = $.scrollTo = function( target, duration, settings ){
		$(window).scrollTo( target, duration, settings );
	};

	$scrollTo.defaults = {
		axis:'xy',
		duration: parseFloat($.fn.jquery) >= 1.3 ? 0 : 1
	};

	// Returns the element that needs to be animated to scroll the window.
	// Kept for backwards compatibility (specially for localScroll & serialScroll)
	$scrollTo.window = function( scope ){
		return $(window)._scrollable();
	};

	// Hack, hack, hack :)
	// Returns the real elements to scroll (supports window/iframes, documents and regular nodes)
	$.fn._scrollable = function(){
		return this.map(function(){
			var elem = this,
				isWin = !elem.nodeName || $.inArray( elem.nodeName.toLowerCase(), ['iframe','#document','html','body'] ) != -1;

				if( !isWin )
					return elem;

			var doc = (elem.contentWindow || elem).document || elem.ownerDocument || elem;
			
			return $.browser.safari || doc.compatMode == 'BackCompat' ?
				doc.body : 
				doc.documentElement;
		});
	};

	$.fn.scrollTo = function( target, duration, settings ){
		if( typeof duration == 'object' ){
			settings = duration;
			duration = 0;
		}
		if( typeof settings == 'function' )
			settings = { onAfter:settings };
			
		if( target == 'max' )
			target = 9e9;
			
		settings = $.extend( {}, $scrollTo.defaults, settings );
		// Speed is still recognized for backwards compatibility
		duration = duration || settings.speed || settings.duration;
		// Make sure the settings are given right
		settings.queue = settings.queue && settings.axis.length > 1;
		
		if( settings.queue )
			// Let's keep the overall duration
			duration /= 2;
		settings.offset = both( settings.offset );
		settings.over = both( settings.over );

		return this._scrollable().each(function(){
			var elem = this,
				$elem = $(elem),
				targ = target, toff, attr = {},
				win = $elem.is('html,body');

			switch( typeof targ ){
				// A number will pass the regex
				case 'number':
				case 'string':
					if( /^([+-]=)?\d+(\.\d+)?(px|%)?$/.test(targ) ){
						targ = both( targ );
						// We are done
						break;
					}
					// Relative selector, no break!
					targ = $(targ,this);
				case 'object':
					// DOMElement / jQuery
					if( targ.is || targ.style )
						// Get the real position of the target 
						toff = (targ = $(targ)).offset();
			}
			$.each( settings.axis.split(''), function( i, axis ){
				var Pos	= axis == 'x' ? 'Left' : 'Top',
					pos = Pos.toLowerCase(),
					key = 'scroll' + Pos,
					old = elem[key],
					max = $scrollTo.max(elem, axis);

				if( toff ){// jQuery / DOMElement
					attr[key] = toff[pos] + ( win ? 0 : old - $elem.offset()[pos] );

					// If it's a dom element, reduce the margin
					if( settings.margin ){
						attr[key] -= parseInt(targ.css('margin'+Pos)) || 0;
						attr[key] -= parseInt(targ.css('border'+Pos+'Width')) || 0;
					}
					
					attr[key] += settings.offset[pos] || 0;
					
					if( settings.over[pos] )
						// Scroll to a fraction of its width/height
						attr[key] += targ[axis=='x'?'width':'height']() * settings.over[pos];
				}else{ 
					var val = targ[pos];
					// Handle percentage values
					attr[key] = val.slice && val.slice(-1) == '%' ? 
						parseFloat(val) / 100 * max
						: val;
				}

				// Number or 'number'
				if( /^\d+$/.test(attr[key]) )
					// Check the limits
					attr[key] = attr[key] <= 0 ? 0 : Math.min( attr[key], max );

				// Queueing axes
				if( !i && settings.queue ){
					// Don't waste time animating, if there's no need.
					if( old != attr[key] )
						// Intermediate animation
						animate( settings.onAfterFirst );
					// Don't animate this axis again in the next iteration.
					delete attr[key];
				}
			});

			animate( settings.onAfter );			

			function animate( callback ){
				$elem.animate( attr, duration, settings.easing, callback && function(){
					callback.call(this, target, settings);
				});
			};

		}).end();
	};
	
	// Max scrolling position, works on quirks mode
	// It only fails (not too badly) on IE, quirks mode.
	$scrollTo.max = function( elem, axis ){
		var Dim = axis == 'x' ? 'Width' : 'Height',
			scroll = 'scroll'+Dim;
		
		if( !$(elem).is('html,body') )
			return elem[scroll] - $(elem)[Dim.toLowerCase()]();
		
		var size = 'client' + Dim,
			html = elem.ownerDocument.documentElement,
			body = elem.ownerDocument.body;

		return Math.max( html[scroll], body[scroll] ) 
			 - Math.min( html[size]  , body[size]   );
			
	};

	function both( val ){
		return typeof val == 'object' ? val : { top:val, left:val };
	};//END SCROLL
	
		// We override the animation for all of these color styles
	jQuery.each(['backgroundColor', 'borderBottomColor', 'borderLeftColor', 'borderRightColor', 'borderTopColor', 'color', 'outlineColor'], function(i,attr){
		jQuery.fx.step[attr] = function(fx){
			if ( fx.state == 0 ) {
				fx.start = getColor( fx.elem, attr );
				fx.end = getRGB( fx.end );
			}

			fx.elem.style[attr] = "rgb(" + [
				Math.max(Math.min( parseInt((fx.pos * (fx.end[0] - fx.start[0])) + fx.start[0]), 255), 0),
				Math.max(Math.min( parseInt((fx.pos * (fx.end[1] - fx.start[1])) + fx.start[1]), 255), 0),
				Math.max(Math.min( parseInt((fx.pos * (fx.end[2] - fx.start[2])) + fx.start[2]), 255), 0)
			].join(",") + ")";
		}
	});

	// Color Conversion functions from highlightFade
	// By Blair Mitchelmore
	// http://jquery.offput.ca/highlightFade/

	// Parse strings looking for color tuples [255,255,255]
	function getRGB(color) {
		var result;

		// Check if we're already dealing with an array of colors
		if ( color && color.constructor == Array && color.length == 3 )
			return color;

		// Look for rgb(num,num,num)
		if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color))
			return [parseInt(result[1]), parseInt(result[2]), parseInt(result[3])];

		// Look for rgb(num%,num%,num%)
		if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(color))
			return [parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55];

		// Look for #a0b1c2
		if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(color))
			return [parseInt(result[1],16), parseInt(result[2],16), parseInt(result[3],16)];

		// Look for #fff
		if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(color))
			return [parseInt(result[1]+result[1],16), parseInt(result[2]+result[2],16), parseInt(result[3]+result[3],16)];

		// Otherwise, we're most likely dealing with a named color
		return colors[jQuery.trim(color).toLowerCase()];
	}
	
	function getColor(elem, attr) {
		var color;

		do {
			color = jQuery.curCSS(elem, attr);

			// Keep going until we find an element that has color, or we hit the body
			if ( color != '' && color != 'transparent' || jQuery.nodeName(elem, "body") )
				break; 

			attr = "backgroundColor";
		} while ( elem = elem.parentNode );

		return getRGB(color);
	};
	
	// Some named colors to work with
	// From Interface by Stefan Petre
	// http://interface.eyecon.ro/

	var colors = {
		aqua:[0,255,255],
		azure:[240,255,255],
		beige:[245,245,220],
		black:[0,0,0],
		blue:[0,0,255],
		brown:[165,42,42],
		cyan:[0,255,255],
		darkblue:[0,0,139],
		darkcyan:[0,139,139],
		darkgrey:[169,169,169],
		darkgreen:[0,100,0],
		darkkhaki:[189,183,107],
		darkmagenta:[139,0,139],
		darkolivegreen:[85,107,47],
		darkorange:[255,140,0],
		darkorchid:[153,50,204],
		darkred:[139,0,0],
		darksalmon:[233,150,122],
		darkviolet:[148,0,211],
		fuchsia:[255,0,255],
		gold:[255,215,0],
		green:[0,128,0],
		indigo:[75,0,130],
		khaki:[240,230,140],
		lightblue:[173,216,230],
		lightcyan:[224,255,255],
		lightgreen:[144,238,144],
		lightgrey:[211,211,211],
		lightpink:[255,182,193],
		lightyellow:[255,255,224],
		lime:[0,255,0],
		magenta:[255,0,255],
		maroon:[128,0,0],
		navy:[0,0,128],
		olive:[128,128,0],
		orange:[255,165,0],
		pink:[255,192,203],
		purple:[128,0,128],
		violet:[128,0,128],
		red:[255,0,0],
		silver:[192,192,192],
		white:[255,255,255],
		yellow:[255,255,0]
	};//END COLORS

})(jQuery);
//TWITTER
String.prototype.linkify = function() {
  return this.replace(/[A-Za-z]+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+/, function(m) {
  return m.link(m);
  });
};
String.prototype.linkuser = function() {
  return this.replace(/[@]+[A-Za-z0-9-_]+/, function(u) {
    var username = u.replace("@","")
    return u.link("http://twitter.com/"+username);
  });
};
String.prototype.linktag = function() {
  return this.replace(/[#]+[A-Za-z0-9-_]+/, function(t) {
    var tag = t.replace("#","%23")
    return t.link("http://summize.com/search?q="+tag);
  });
};
function relative_time(time_value) {
  var values = time_value.split(" ");
  time_value = values[1] + " " + values[2] + ", " + values[5] + " " + values[3];
  var parsed_date = Date.parse(time_value);
  var relative_to = (arguments.length > 1) ? arguments[1] : new Date();
  var delta = parseInt((relative_to.getTime() - parsed_date) / 1000);
  delta = delta + (relative_to.getTimezoneOffset() * 60);
  if (delta < 60) {
    return 'menos de 1 min';
  } else if(delta < 120) {
    return '1 minuto atr&aacute;s';
  } else if(delta < (45*60)) {
    return (parseInt(delta / 60)).toString() + ' minutos atr&aacute;s';
  } else if(delta < (90*60)) {
    return '1 hora atr&aacute;s';
  } else if(delta < (24*60*60)) {
    return (parseInt(delta / 3600)).toString() + ' horas atr&aacute;s';
  } else if(delta < (48*60*60)) {
    return '1 dia atr&aacute;s';
  } else {
    return (parseInt(delta / 86400)).toString() + ' dias atr&aacute;s';
  }
}
