function show_social_btn(parent, page_url, page_title, set_time){
var btn_fb_sharer, btn_fb_like, btn_twitter, btn_hatena, btn_pocket, btn_google;
var url,title,time;
url=page_url ? page_url:document.URL;
time=set_time ? set_time:3000;
page_title=page_title ? page_title:'サイト名';
btn_fb_sharer="<li class='fb_sharer'><a href='http://www.facebook.com/sharer.php?u="+ url +"&amp;t=" + page_title + " target='_blank'><img src='/img/fb_share.png' alt='facebook' title='facebook' /></a></li>";
btn_fb_like='<li class="fb_like">'
+ '<iframe src=\"http://www.facebook.com/plugins/like.php?href=' + url + '&amp;send=false&amp;layout=button_count&amp;show_faces=false&amp;width=115&amp;action=like'
+ '&amp;colorscheme=light&amp;locale=ja_JP'
+ '&amp;height=21\"'
+ ' scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:115px; height:21px;" allowTransparency="true">'
+ '</iframe></li>';
btn_twitter='<li class="twitter">'
+ '<iframe allowtransparency="true" frameborder="0" scrolling="no"'
+ ' src="http://platform.twitter.com/widgets/tweet_button.html?url=' + url + '&amp;text=' + page_title + encodeURI(' | サイト名') + '&amp;lang=ja&amp;count=horizontal"'
+ ' style="width:130px; height:20px;">'
+ '</iframe></li>' ;
btn_hatena='<li class="hatena"><a class="hatena-bookmark-button" data-hatena-bookmark-layout="standard" data-hatena-bookmark-title="' + decodeURI(page_title) + ' | サイト名" href="http://b.hatena.ne.jp/entry/'+ url +'" title="このエントリーをはてなブックマークに追加">';
btn_hatena +='<img alt="このエントリーをはてなブックマークに追加" height="20" src="//b.st-hatena.com/images/entry-button/button-only.gif" style="border: none;" width="20" />';
btn_hatena +='</a></li>';
btn_pocket =
'<li class="pocket"><a href="https://getpocket.com/save" class="pocket-btn" data-lang="en" data-save-url="' + url  + '" data-pocket-count="horizontal" data-pocket-align="left">Pocket</a></li>'
+ '<script type="text/javascript">!function(d,i){if(!d.getElementById(i)){var j=d.createElement("script");j.id=i;j.src="https://widgets.getpocket.com/v1/j/btn.js?v=1";var w=d.getElementById(i);d.body.appendChild(j);}}(document,"pocket-btn-js");<\/script>';
btn_google='<li class="gplus"><g:plusone size="medium" href="' + url + '"></g:plusone></li>';
setTimeout(function(){
var $j=jQuery;
$j(parent).append(btn_fb_like);
$j(parent).append(btn_twitter);
$j(parent).append(btn_google);
window.___gcfg={lang: 'ja'};
(function(){
var po=document.createElement('script'); po.type='text/javascript'; po.async=true;
po.src='https://apis.google.com/js/plusone.js';
var s=document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
$j(parent).append(btn_pocket);
$j(parent).append(btn_hatena);
!function(d){var j=d.createElement('script');j.src="http://b.st-hatena.com/js/bookmark_button.js";j.charset="utf-8";j.async="async";d.body.appendChild(j);}(document);
})(); }, time);
setTimeout(function(){
!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';js.charset='utf-8';fjs. parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');
!function(d,i){if(!d.getElementById(i)){var j=d.createElement("script");j.id=i;j.src="https://widgets.getpocket.com/v1/j/ btn.js?v=1";var w=d.getElementById(i);d.body.appendChild(j);}}(document,"pocket-btn-js");
}, time+1000);
};