1. Login to Blogger, Chose "Layout --> Template --> Edit HTML
2. Click "Download Full Templates" link to back up your template.
3. Check on the "Expand Template Wdiget" Check Box.
4. Copy the code below and paste above this code </head>
<script src='http://kendhin.890m.com/Readmore.js' type='text/javascript'/>
5. Then find this code <div class='post-header-line-1'/> .
6. If You found it you will see a code like this:
<div class='post-body entry-content'>
or<div class='post body'>
7. The next step is change or replace the code (Only Number 6 code) to be like this:
<div class='post-body entry-content' expr:id='"post-" + data:post.id'>
<b:if cond='data:blog.pageType == "item"'>
8. Under it you will see a code like this <p><data:post.body/></p>
9. Put the code below under it.
<b:else/>
<style>#fullpost {display:none;}</style>
<p><data:post.body/></p>
<span id='showlink'>
<p><a expr:onclick='"javascript:showFull(\"post-" + data:post.id + "\");"' href='javascript:void(0);'>[+/-] Show Full Post...</a></p>
</span>
<span id='hidelink' style='display:none'>
<p><a expr:onclick='"javascript:hideFull(\"post-" + data:post.id + "\");"' href='javascript:void(0);'>[+/-]Hide Full Post...</a></p>
</span>
<script type='text/javascript'>checkFull("post-" + "<data:post.id/>")</script>
</b:if>
10. So, the full code will like this :
<div class='post-header-line-1'/>
<div class='post-body entry-content' expr:id='"post-" + data:post.id'>
<b:if cond='data:blog.pageType == "item"'>
<p><data:post.body/></p>
<b:else/>
<style>#fullpost {display:none;}</style>
<p><data:post.body/></p>
<span id='showlink'>
<p><a expr:onclick='"javascript:showFull(\"post-" + data:post.id + "\");"' href='javascript:void(0);'>[+/-] Show Full Post...</a></p>
</span>
<span id='hidelink' style='display:none'>
<p><a expr:onclick='"javascript:hideFull(\"post-" + data:post.id + "\");"' href='javascript:void(0);'>[+/-] Hide Full Post...</a></p>
</span>
<script type='text/javascript'>checkFull("post-" + "<data:post.id/>")</script>
</b:if>
11. Save Your Editing.
12. Go to menu "Setting --> Formatting"
13. On the bottom page you will see a box beside text "Post Template". Copy the code below and paste in to the box
<span id="fullpost">
</span>
14. Save your setting.
15 If you want to post an articel place your part articel above this code <span id="fullpost">. Then the remain or full post put between this code <span id="fullpost"> and this </span>
GOOD LUCK>>>>>