<script type="text/javascript">
                               
                                var twitter_test = new TwitterFeed();
                                twitter_test.search("anything", 4,"orange");
                        
                        </script>

function TwitterFeed(){
    
    this.searchPrefix = "http://search.twitter.com/search.json?q=";
    this.searchTerm = "";
    this.maxTweetRetrieve = 5;
    this.tweetData = null;
    this.itemHeight = 0;
    this.linkClass = "#000000";
    this.maxTweets = 10;
    this.displayTweets = [];
    
    // how often do you want to get the tweets? (seconds)
    this.updateInterval = 5;
    
    // the latest tweet is hidden initially. How many seconds after loading do you
    // want it to appear?
    this.initialAnimDelay = 1;
    this.firstrun = true;
    this.getTweetsInt = null;
    this.animInterval = .1;
    this.checkInterval;
    this.intervalSet = false;
    this.maxAttempts = 5;
    this.attemptDelay = 1.5;
    this.attempts = 0;

    this.setupComplete = false;

    this.failCopy = "Sorry, Twitter appears to be down:-(";
    this.progressCopy = "Retrieving Twitter Feed...";
    
    this.carouselHolderIdPrefix = "carouselholder_";
    this.carouselIdPrefix = "carousel_";
    
    this.query = "";

}

TwitterFeed.prototype.search = function(_term, _maxDisplay, _linkClass){
    // alert("search");
    if (!this.setupComplete) {
        this.searchTerm = _term;
        this.displayTweets = _maxDisplay;
        this.linkClass = _linkClass;              
        this.maxTweets = _maxDisplay + 1;
        this.linkColor = _linkClass;
         
        var _html = "<div id='"+this.carouselHolderIdPrefix + _term + "' class='tcarousel-holder'><div id='"+this.carouselIdPrefix + _term + "' class='tcarousel'></div></div>";
        document.write(_html);
        
        this.setupComplete = true;
    }

    var _query = this.searchPrefix + _term + "&callback=?&rpp=" + this.maxTweets;
    var self = this;
    $(document).ready(function() {
        jQuery.getJSON(_query, function(data) {
            self.callback(data);
        });
    });
}

TwitterFeed.prototype.callback = function(_tweets){
    
    if (_tweets.results.length > 0) {
                
        var _totalTweets = _tweets.results.length;
        var _results = _tweets.results;
        this.tweetData = [];
       
        for (i = 0; i < _totalTweets; i++) {
            var _data = this.parseResult(_results[i]);
            this.tweetData.push(_data);
            this.addResult(_data.string);
        }
        
        this.itemHeight = Math.ceil(document.getElementById(this.carouselIdPrefix + this.searchTerm).offsetHeight / _results.length);
        document.getElementById(this.carouselHolderIdPrefix+ this.searchTerm).style.height = this.itemHeight * this.displayTweets + "px";
        this.drawList(this.tweetData, 1);

    } else {
        if (!this.intervalSet) {
            this.intervalSet = true;
            // alert("intervalSet: " + intervalSet);
            this.checkInterval = setInterval("reattempt()", this.attemptDelay * 1000);
            this.emptyDisplay(this.progressCopy);
        }
    } 
}

TwitterFeed.prototype.reattempt = function() {

    this.attempts++;
    if (this.attempts < this.maxAttempts) {
        this.search(this.searchTerm, null, null);
    } else {
        window.clearInterval(this.checkInterval);
        this.emptyDisplay(this.failCopy);
    }
}


TwitterFeed.prototype.emptyDisplay = function(_copy) {
        
    var _holder = document.getElementById(this.carouselHolderIdPrefix+ this.searchTerm);
    var _footer = document.getElementById("thefooter");

    _holder.innerHTML = "<div class='tcarousel-item invisible'>" + _copy + "</div>";
    _holder.style.marginTop = "0px";
    _holder.style.height = "auto";

    var _windowHeight = (typeof window.innerHeight != 'undefined' ? window.innerHeight : document.body.offsetHeight);

    _holder.style.height = (_windowHeight - findPosY(_holder) - 112) + "px";

}


TwitterFeed.prototype.parseResult = function(_obj) {

    var _message = this.parseLink(_obj.text);
    _message = this.parseHash(_message);

    var _user = _obj.from_user;
    var _created = _obj.created_at.replace(/(\+\d*\s)/g, "");

    var _date = new Date(_created);
    var _newDateString = this.relativeTime(_date);

    var _id = _obj.id;
    var _string = "<div class='tcarousel-item class='invisible''>" + _message + "<div class='tweet-extras'>" + _user + " <span class='time'>(" + _newDateString + ")</span></div></div>";


    // now put it all into a model
    var _dataObject = new Object();
    _dataObject.originalObject = _obj;
    _dataObject.message = _message;
    _dataObject.user = _user;
    _dataObject.id = _id;
    _dataObject.dateOriginal = _obj._date;
    _dataObject.dateString = _newDateString;
    _dataObject.string = _string;

        
    return _dataObject;
}

TwitterFeed.prototype.drawList = function(_data, _numAdded) {
    
    var _feed = document.getElementById(this.carouselIdPrefix + this.searchTerm);
       
    _feed.innerHTML = "loading...";
   
    var _margin = -this.itemHeight * _numAdded;
    _feed.style.marginTop = _margin + "px";
    
    for (i = 0; i < _data.length; i++) {
        this.addResult(_data[i].string);
    }
   
    if (this.firstrun == false) {
        this.bringToTop();
        for (i = 0; i < _numAdded; i++) {
            this.tweetData.pop();
        }
    } else { 
        
        this.firstrun = false;
        this.initTimers();
        var _self = this;
        setTimeout(function(){
            _self.bringToTop();
        }, this.initialAnimDelay * 1000);
    }
}

TwitterFeed.prototype.initialReveal = function() {
    bringToTop();
}

TwitterFeed.prototype.bringToTop = function() {
    $('#'+this.carouselIdPrefix + this.searchTerm).animate( {
        marginTop : '0px'
    });
    
}

TwitterFeed.prototype.addResult = function(_string) {
    var _feed = document.getElementById(this.carouselIdPrefix + this.searchTerm);
       
    if ( _feed.innerHTML == "loading..."){
        _feed.innerHTML = "";
    };
    
    _feed.innerHTML += _string;

}

TwitterFeed.prototype.parseLink = function(_s) {
    return _s.replace(/((https?|s?ftp|ssh)\:\/\/[^"\s\<\>]*[^.,;'">\:\s\<\>\)\]\!])/g, function(url) {
        return "<a href='" + url + "' >" + url + "</a>";
    });
}

TwitterFeed.prototype.parseHash = function(_s) {
     
    var _new = _s.replace("#" + this.searchTerm, "<a href='http://twitter.com/search?q=%23" + this.searchTerm + "' class='" + this.linkClass + "' target='_blank'>#" + this.searchTerm + "</a>");
    return _new;
}

TwitterFeed.prototype.K = function() {
    var a = navigator.userAgent;
    return {
        ie : a.match(/MSIE\s([^;]*)/)
    };
}

TwitterFeed.prototype.relativeTime = function(a) {
    var b = new Date();
    var c = new Date(a);
    /*
         * if (navigator.userAgent.match(/MSIE\s([^;]*)/)) { c =
         * Date.parse(a.replace(/( \+)/, ' UTC$1')) }
         */
         
    if (this.K.ie) {
        c = Date.parse(a.replace(/( \+)/, ' UTC$1'));
    }
       
    var d = b - c;
    var e = 1000;
    var minute = e * 60;
    var hour = minute * 60;
    var day = hour * 24;
    var week = day * 7;
        
        
    if (isNaN(d) || d < 0) {
        return "";
    }
       
    if (d < e * 7) {
        return "right now";
    }
    if (d < minute) {
        return Math.floor(d / e) + " seconds ago";
    }
    if (d < minute * 2) {
        return "about 1 minute ago";
    }
    if (d < hour) {
        return Math.floor(d / minute) + " minutes ago";
    }
    if (d < hour * 2) {
        return "about 1 hour ago";
    }
    if (d < day) {
        return Math.floor(d / hour) + " hours ago";
    }
    if (d > day && d < day * 2) {
        return "yesterday";
    }
    if (d < day * 365) {
        return Math.floor(d / day) + " days ago";
    } else {
        return "over a year ago";
    }
      
};

TwitterFeed.prototype.initTimers = function() {
    if (!this.getTweetsInt) {
        var _self = this;
        this.getTweetsInt = setInterval(function(){
            _self.getTweets();
        }, this.updateInterval * 1000);
    }
   
}

TwitterFeed.prototype.getTweets = function() {
    // alert("getTweets " + this)
    
    var _query = this.searchPrefix + this.searchTerm + "&callback=?&rpp=" + this.maxTweetRetrieve;
   
    // alert("_query: " + _query) 
    var _self = this;
    $(document).ready(function() {
        jQuery.getJSON(_query, function(data) {
            _self.callback2(data);
        });
    });
}

TwitterFeed.prototype.callback2 = function(_twitter) {
    //alert("callback2 " + this)
    var _totalNew = 0;

    for (i = _twitter.results.length - 1; i >= 0; i--) {
        var _data = this.parseResult(_twitter.results[i]);
        var _exists = false;

        for (j = 0; j < this.tweetData.length; j++) {
            if (this.tweetData[j].id == _data.id) {
                _exists = true;
            }

            // need to update the relative time for all tweets
            var _updatedData = this.parseResult(this.tweetData[j].originalObject);
            this.tweetData[j] = _updatedData;
        }
                
        if (!_exists) {
            this.tweetData.unshift(_data);
            _totalNew++;
        }

    }
    this.drawList(this.tweetData, _totalNew);
}

TwitterFeed.prototype.bind = function(scope) {
    var _function = this;
  
    return function() {
        return _function.apply(scope, arguments);
    }
}

TwitterFeed.prototype.findPosX = function(obj) {
    var curleft = 0;
    if (obj.offsetParent)
        while (1) {
            curleft += obj.offsetLeft;
            if (!obj.offsetParent)
                break;
            obj = obj.offsetParent;
        }
    else if (obj.x)
        curleft += obj.x;
    return curleft;
}

TwitterFeed.prototype.findPosY = function(obj) {
    var curtop = 0;
    if (obj.offsetParent)
        while (1) {
            curtop += obj.offsetTop;
            if (!obj.offsetParent)
                break;
            obj = obj.offsetParent;
        }
    else if (obj.y)
        curtop += obj.y;
    return curtop;
}