のコードブロックを置き換える
<b:includable id='threaded_comments' var='post'>...</b:includable>
と
<b:includable id='threaded_comments' var='post'>
<div id='comment-header'>
<img class='comment-on' id='comments-norm' src='http://3.bp.blogspot.com/-S3w45s75Yio/Uoe5OPXkFjI/AAAAAAAADcA/vmtzeVI2wFg/s50/disqus-social-icon-blue-transparent.png' title='view Blogger comments'/>
<div class='choice'>Comment With Your Choice</div>
<image id='comments-gplus' src='http://lh6.googleusercontent.com/-wnTb7SHAGEE/UXVi6xoHXAI/AAAAAAAAILY/6vx5Em5w8MI/s50/plus_off.png' title='view Google+ comments'/>
</div>
<div id='comment-zone'>
<div class='comments' id='comments'>
<a name='comments'/>
<h4><data:post.commentLabelFull/>:</h4>
<div class='comments-content'>
<b:if cond='data:post.embedCommentForm'>
<b:include data='post' name='threaded_comment_js'/>
</b:if>
<div id='comment-holder'>
<data:post.commentHtml/>
</div>
</div>
<p class='comment-footer'>
<b:if cond='data:post.allowNewComments'>
<b:include data='post' name='threaded-comment-form'/>
<b:else/>
<data:post.noNewCommentsText/>
</b:if>
</p>
<b:if cond='data:showCmtPopup'>
<div id='comment-popup'>
<iframe allowtransparency='true' frameborder='0' id='comment-actions' name='comment-actions' scrolling='no'>
</iframe>
</div>
</b:if>
<div id='backlinks-container'>
<div expr:id='data:widget.instanceId + "_backlinks-container"'>
<b:if cond='data:post.showBacklinks'>
<b:include data='post' name='backlinks'/>
</b:if>
</div>
</div>
</div>
<div id='gcontainer'><div id='gcomments'/></div>
<script src='http://apis.google.com/js/plusone.js'/>
<script>
gapi.comments.render('gcomments', {
href: window.location,
width: '750',
first_party_property: 'BLOGGER',
view_type: 'FILTERED_POSTMOD'
});
$('#comments-norm').click(function(){
// switch to normal comments displaying
$('#gcontainer').css('display','none');
$('#comments').css('display','block');
$('#comments-norm').addClass('comment-on');
$('#comments-gplus').removeClass('comment-on');
$('#comments-norm').attr('src','http://3.bp.blogspot.com/-S3w45s75Yio/Uoe5OPXkFjI/AAAAAAAADcA/vmtzeVI2wFg/s50/disqus-social-icon-blue-transparent.png');
$('#comments-gplus').attr('src','http://lh6.googleusercontent.com/-wnTb7SHAGEE/UXVi6xoHXAI/AAAAAAAAILY/6vx5Em5w8MI/s50/plus_off.png');
});
$('#comments-gplus').click(function(){
// switch to google plus comments displaying
$('#comments').css('display','none');
$('#gcontainer').css('display','block');
$('#comments-norm').removeClass('comment-on');
$('#comments-gplus').addClass('comment-on');
$('#comments-norm').attr('src','http://2.bp.blogspot.com/-31izM0JEWCs/Uoe6Uf7eqoI/AAAAAAAADcI/AC8mXw1gUcg/s50/disqus-social-icon-dark-transparent.png');
$('#comments-gplus').attr('src','http://lh3.googleusercontent.com/-oNlD347wl3k/UXVi7AiBdHI/AAAAAAAAILc/NxAyb8fwEfI/s50/plus_on.png');
});
$('#comments-norm').hover(
// switch to normal comments displaying
function(){
if (!$('#comments-norm').hasClass('comment-on')){ $('#comments-norm').attr('src','http://3.bp.blogspot.com/-S3w45s75Yio/Uoe5OPXkFjI/AAAAAAAADcA/vmtzeVI2wFg/s50/disqus-social-icon-blue-transparent.png');}
}, function(){
if (!$('#comments-norm').hasClass('comment-on')){ $('#comments-norm').attr('src','http://2.bp.blogspot.com/-31izM0JEWCs/Uoe6Uf7eqoI/AAAAAAAADcI/AC8mXw1gUcg/s50/disqus-social-icon-dark-transparent.png');}
}
);
$('#comments-gplus').hover(
// switch to gplus comments displaying
function(){
if (!$('#comments-gplus').hasClass('comment-on')){ $('#comments-gplus').attr('src','http://lh3.googleusercontent.com/-oNlD347wl3k/UXVi7AiBdHI/AAAAAAAAILc/NxAyb8fwEfI/s50/plus_on.png');}
}, function(){
if (!$('#comments-gplus').hasClass('comment-on')){ $('#comments-gplus').attr('src','http://lh6.googleusercontent.com/-wnTb7SHAGEE/UXVi6xoHXAI/AAAAAAAAILY/6vx5Em5w8MI/s50/plus_off.png');}
}
);</script>
</div>
</b:includable>