Read more... feature that make your blog shows only a part of your posts on index pages home, labels and archive page. Read more are two types Full Text and Text with Thumbnail.
To Add auto read more
1. Login to your Blogger account.
2. Go to Dashboard > Design > Edit HTML.
3. Back up your template.
4. Check the Expand Widget Templates check box on top right of the HTML window.
5. In the code window, look for </head> line.
HTML Code to Add
<!-- Auto read more script Start -->
<script type='text/javascript'>
var thumbnail_mode = "yes"; //yes -with thumbnail, no -no thumbnail
summary_noimg = 430; //summary length when no image
summary_img = 340; //summary length when with image
img_thumb_height = 200;
img_thumb_width = 200;
</script>
<script type='text/javascript'>
//<![CDATA[
function removeHtmlTag(strx,chop){
if(strx.indexOf("<")!=-1)
{
var s = strx.split("<");
for(var i=0;i<s.length;i++){
if(s[i].indexOf(">")!=-1){
s[i] = s[i].substring(s[i].indexOf(">")+1,s[i].length);
}
}
strx = s.join("");
}
chop = (chop < strx.length-1) ? chop : strx.length-2;
while(strx.charAt(chop-1)!=' ' && strx.indexOf(' ',chop)!=-1) chop++;
strx = strx.substring(0,chop-1);
return strx+'...';
}
function createSummaryAndThumb(pID){
var div = document.getElementById(pID);
var imgtag = "";
var img = div.getElementsByTagName("img");
var summ = summary_noimg;
if(thumbnail_mode == "yes") {
if(img.length>=1) {
imgtag = '<span style="float:left; padding:0px 10px 5px 0px;"><img src="'+img[0].src+'" width="'+img_thumb_width+'px" height="'+img_thumb_height+'px"/></span>';
summ = summary_img;
}
}
var summary = imgtag + '<div>' + removeHtmlTag(div.innerHTML,summ) + '</div>';
div.innerHTML = summary;
}
//]]>
</script>
<!-- Auto read more script End -->
6. After that, find this line: <data:post.body/>
7. Replace the line with this code:
<!-- Auto read more Start -->
<b:if cond='data:blog.pageType == "item"'>
<data:post.body/>
<b:else/>
<b:if cond='data:blog.pageType == "static_page"'>
<data:post.body/>
<b:else/>
<div expr:id='"summary" + data:post.id'><data:post.body/></div>
<script type='text/javascript'> createSummaryAndThumb("summary<data:post.id/>");
</script>
<a class='more' expr:href='data:post.url'>Read more ...</a>
</b:if>
</b:if>
<!-- Auto read more End -->
You can find ther Red Text Above:
summary_noimg = 430; is post cut height without image
summary_img = 340; is post cut height with image
img_thumb_height = 100; is thumbnail image height
img_thumb_width = 120; is thumbnail image width