function getVideos(tag, container, insertAfter) {
    var url = "http://gdata.youtube.com/feeds/api/users/HOOKUPvideo/uploads";
    if (tag) {
        url = url + "/-/" + tag + "/";
    }
    jQuery.getJSON(
        url + "?callback=?",
        {
            "max-results": 5,
            "alt": "json-in-script"
        },
        function(data) {    // 通信成功時にデータを表示
            if (!data.feed.entry) return;

            var titlelength = 30;
            if (insertAfter) {
                jQuery(container + " " + insertAfter).after("<ul id=\"product-videos\">").after("<h2>ビデオ</h2>");
            } else {
                jQuery(container).prepend(jQuery("<div class=\"product-attribute\">").append("<h2>ビデオ</h2>").append("<ul id=\"product-videos\">"));
            }

            jQuery.each(data.feed.entry, function(i, item){
                var group = item.media$group;
                var title = item.title.$t;
                var label = title.substr(0, titlelength)
                if (title.length > titlelength) label = label + "...";
                var description = group.media$description.$t.split(/\s*\.\.\.\s*/);
                var text = "";
                    //                 if (description.length > 0) {
                    // if (description[0].length > 50) {
                    //  text = description[0].substring(0, 50) + "...";
                    // } else {
                    //  text = description[0];
                    // }
                    //                 }
                jQuery("<li class=\"cf\">")
                    .append(jQuery("<div>").attr("class", "video-thumbnail")
                            .append(jQuery("<a>").attr("href", group.media$player[0].url)
                                                 .attr("rel", "vidbox")
                                                 .attr("title", title)
                                                 .append(jQuery("<img/>").attr("src", group.media$thumbnail[0].url)
                                                                         .attr("alt", "")
                                                        )
                                    )
                            )
                    .append(jQuery("<a>").attr("href", group.media$player[0].url)
                                         .attr("rel", "vidbox")
                                         .attr("title", title)
                                         .append(jQuery("<span class=\"preffix\">VIDEO:</span>"))
                                         .append(title)
                            )
                    .append(jQuery("<p>").append(text))
                    .click(function() {Videobox.open(group.media$player[0].url, title, "vidbox");return false;})
                    .appendTo(container + " ul#product-videos");
            });
        }
    );
}