Code tạo hiển thị bài viết mới (recent posts) cho blogspot hiển thị hình ảnh Thumbnail

<div>
<style type='text/css'>
.danhsach {float:left; width:100%; margin:0; padding:0; font-size:13px; background:#fff; box-shadow: 0 0 1px #d1d1d1; }
.danhsach li {float:left; width: 100%; margin:0 !important; padding-bottom:5px;padding-top:5px;min-height:75px; list-style-type:none !important; line-height:1.5em; border-bottom:1px dotted #d1d1d1;}
.danhsach li:last-child {border:none;}
.danhsach img {padding:0px;width:72px;height:72px;float:left;margin:0 5px;}
.danhsach a {text-decoration:none; font-weight:bold; color:#004D99 !important;}
.danhsach i {font-style:normal; font-size:14px; }
.danhsach strong {font-size:12px;}
.danhsach hr {display:none;}
</style>
<script>/*<![CDATA[*/
function showrecentpostswiththumbs(json){document.write('<ul class="danhsach">');for(var i=0;i<numposts;i++){var entry=json.feed.entry[i];var posttitle=entry.title.$t;var posturl;if(i==json.feed.entry.length)break;for(var k=0;k<entry.link.length;k++){if(entry.link[k].rel=='replies'&&entry.link[k].type=='text/html'){var commenttext=entry.link[k].title;var commenturl=entry.link[k].href;}
if(entry.link[k].rel=='alternate'){posturl=entry.link[k].href;break;}}var thumburl;try{thumburl=entry.media$thumbnail.url;}catch(error)
{s=entry.content.$t;a=s.indexOf("<img");b=s.indexOf("src=\"",a);c=s.indexOf("\"",b+5);d=s.substr(b+5,c-b-5);if((a!=-1)&&(b!=-1)&&(c!=-1)&&(d!="")){thumburl=d;}else thumburl='http://www.webaholic.co.in/other/no-image.jpg';}
var postdate=entry.published.$t;var cdyear=postdate.substring(0,4);var cdmonth=postdate.substring(5,7);var cdday=postdate.substring(8,10);var monthnames=new Array();monthnames[1]="Tháng 1";monthnames[2]="Tháng 2";monthnames[3]="Tháng 3";monthnames[4]="Tháng 4";monthnames[5]="Tháng 5";monthnames[6]="Tháng 6";monthnames[7]="Tháng 7";monthnames[8]="Tháng 8";monthnames[9]="Tháng 9";monthnames[10]="Tháng 10";monthnames[11]="Tháng 11";monthnames[12]="Tháng 12";document.write('<li>');if(showpostthumbnails==true)
document.write('<img class="anh" src="'+thumburl+'"/>');document.write('<b><a href="'+posturl+'" target ="_top">'+posttitle+'</a></b><br>');if("content"in entry){var postcontent=entry.content.$t;}
else
if("summary"in entry){var postcontent=entry.summary.$t;}
else var postcontent="";var re=/<\S[^>]*>/g;postcontent=postcontent.replace(re,"");if(showpostsummary==true){if(postcontent.length<numchars){document.write('<i>');document.write(postcontent);document.write('</i>');}
else{document.write('<i>');postcontent=postcontent.substring(0,numchars);var quoteEnd=postcontent.lastIndexOf(" ");postcontent=postcontent.substring(0,quoteEnd);document.write(postcontent+'...');document.write('</i>');}}
var towrite='';var flag=0;document.write('<br><strong>');if(showpostdate==true){towrite=towrite+cdday+' - '+monthnames[parseInt(cdmonth,10)]+' - '+cdyear;flag=1;}
if(showcommentnum==true)
{if(flag==1){towrite=towrite+' | ';}
if(commenttext=='1 Comments')commenttext='1 Comment';if(commenttext=='0 Comments')commenttext='No Comments';commenttext='<a href="'+commenturl+'" target ="_top">'+commenttext+'</a>';towrite=towrite+commenttext;flag=1;;}
if(displaymore==true)
{if(flag==1)towrite=towrite+' | ';towrite=towrite+'<a href="'+posturl+'" class="url" target ="_top">Chi tiết !</a>';flag=1;;}
document.write(towrite);document.write('</strong></li>');if(displayseparator==true)
if(i!=(numposts-1))
document.write('<hr size=0.5>');}document.write('</ul>');}
/*]]>*/</script>
<script>
var numposts = 5;
var showpostthumbnails = true;
var displaymore = true;
var displayseparator = true;
var showcommentnum = true;
var showpostdate = true;
var showpostsummary = true;
var numchars = 100;</script>
<script src="/feeds/posts/default?orderby=published&amp;alt=json-in-script&amp;callback=showrecentpostswiththumbs"></script>
</div>