jQuery.fn.youtube = function(data)
{
    var config = {
                  ntt_use_win_open  : false,
                  type              : null,          // allowed values: 'playlist', 'search','user'
		          keyword           : null,          //A search query term. Searches for the specified string in all video metadata, such as titles, tags, and descriptions.
		          url               : null,
                  users             : null,          // videos uploaded by a user
		          alt               : null,          //The format of feed to return, such as atom (the default), rss, or json.
                  orderby           : null,          //The order in which to list entries, such as relevance (the default for the videos feed) or viewCount.
                  start_index       : null,          //The 1-based index of the first result to be retrieved (for paging). 
	              max_results       : 10,          //The maximum number of entries to return at one time
	              categories        : null,          //The categories and/or tags to use in filtering the feed results. 
		                                             //  For example, feedURL/-/fritz/laurie returns all entries 
									                 // that are tagged with both of the user-defined tags fritz and laurie.
		
                  format            : null,          //A specific video format. For example, format=1 restricts search results to videos for mobile devices.		
		          most_viewed       : null,
		          top_rated         : null,
		          recently_featured : null,
		          top_favorites     : null,
		          most_discussed    : null,
		          most_linked       : null,
		          most_responded    : null,
		   
		          recently_featured : null,
		          playlist_id       : null,          //playlists feed contains a list of public playlists defined by a user.
		          div               : this,
		          
		          cleanReturn       : 1,             //do you want a full youtube return, or just an image list
		          inlineVideo       : 1,             //do you want to redirect to youtube, or play inlinevideo
		          callback          : null,
                  api_key           : null,
                  blockUI           : true           // boolean, if true requires jquery.litebox.js
	            };//end of config
		 
		if(data) 
		{
		   $.extend(config, data);
		}
		
		/**/
		return this.each(function()
            		    {
            		    	$('#youtubelist').remove();
            		    	$(this).append('<ul id="#youtubelist">');
            		    	
            		    	var url = $.youtube.getURL(config);
            		    	$.youtube.request(url);
            		    }
		);//end of each 
}
/*end of youtube function*/
	
/** 
 *extend the youtube function

 */

$.youtube =
{
    config: {},

    /**
    * genereate the url 
    * according to the configaation
    *
    *
	  
	  */

    getURL: function(config) {
        var url = '';
        this.config = config;
        config.type = config.type;

        if ((config.type == 'search') || (config.type == 'tag') || (config.type == 'title') || (config.type == 'description')) {
            config.type = 'search';
        }

        if (config.url) return config.url;
        if (!config.callback) config.callback = 'jQuery.youtube.response';

        var url = 'http://gdata.youtube.com/feeds/';

        switch (config.type) {
            case 'users': url += 'users/' + config.keyword + '/uploads?alt=json-in-script&callback=' + config.callback;
                break;

            case 'search': url += 'videos?alt=json-in-script&callback=' + config.callback;
                url += '&vq=' + encodeURIComponent(config.keyword);
                break;

            case 'playlist': url += 'playlists/' + config.keyword;
                break;

            case 'category': break;

            default: url = 'http://gdata.youtube.com/feeds/videos';

        }

        if (config.start_index) {
            url += '&start-index=' + config.start_index;
        }


        if (config.max_results) {
            url += '&max-results=' + config.max_results;
        }
        return url;
    },

    /* 
    *request the url in the head and get the jsondata
    *@param url string
    *@return null,
    */
    request: function(url) {
        var script = document.createElement('script');
        script.type = 'text/javascript';
        script.src = url;

        document.documentElement.firstChild.appendChild(script); //add into <head>

        //$("head").append(script);
        //$>getjson ()url,jsondata);
    },

    /**
    * this function process the jsondata
    * and display into the div 
    *
    *@param jsonData jsondata
    */
    response: function(jsonData) {
        var inlineVideo = this.config.inlineVideo
        if (jsonData.feed.entry) {
            var html = '';
            $.each(jsonData.feed.entry, function(i, item) {
                for (var k = 0; k < item.link.length; k++) {
                    if (item.link[k].rel == 'alternate') {
                        url = item.link[k].href;
                        break;
                    }
                }

                var thumb = item.media$group.media$thumbnail[1].url;

                if (inlineVideo) {

                    var videoId = $.youtube.getVideoId(url);
                    //html += '<a href="#" title="' + item.title.$t + '" onclick="$.youtube.playVideo(\'' + videoId + '\'); return false;"><img border="0" style="padding:1px;border:2px solid #black;background-color:white;" width=90 height=70 src="' + thumb + '"  id="youtubethumb" alt="' + item.title.$t + '"></a>&nbsp;&nbsp;';
                    html += '<img id="youtubethumb" align="absmiddle" style="width:110px;height:80px;cursor:pointer;padding:1px;border:2px solid black;background-color:white;" src="' + thumb + '"  title="' + item.title.$t + '" onclick="$.youtube.playVideo(\'' + videoId + '\'); return false;" />';
                }
                else {

                    html += '<a href="' + url + '"><img border=0 width=110 height=80 src="' + thumb + '" id="youtubethumb" alt="' + item.title.$t + '"></a>&nbsp;&nbsp;';
                }
            }
		     );

            $(this.config.div).html(html);
            //'<a href="javascript:videoOverlay(\''+getVideoId(url)+'\');"><img src="'+thumb+'" id="youtubethumb" alt="'+entry.title.$t+'"  onmouseout="clearTimeout(timer)" onmouseover="mousOverImage(this,\''+getVideoId(url)+'\',2)"></a>';
            //var thumb = entry['media$group']['media$thumbnail'][1].url;
        }
        else
            $(this.config.div).text("");

    },

    /** 
    * @param url 
    * @return video id   
    */
    getVideoId: function(url) {
        var arrayURL = url.split("=");
        if (arrayURL) {
            return arrayURL[1];
        }
    },

    /** 
    * Play the video in bolockUI  
    *
    *@param id videoid
    */
    playVideo: function(id) {
        
        $.fn.nyroModalManual(
        {
            type: 'swf',
            height: 355,
            width: 425,
            url: "http://www.youtube.com/v/" + id + "?autoplay=1&fs=1&color1=0x5d1719&color2=0xcd311b&border=1"
        }
        );
        return;
       
    }


};