How to Add Numbered Page Navigation on Blogger

#blog-pager{clear:both;margin:30px auto;text-align:center; padding: 7px;}

.blog-pager {background: none;}

.displaypageNum a,.showpage a,.pagecurrent{padding: 3px 7px;margin-right:5px;background:#E9E9E9;color: #888;border:1px solid #E9E9E9;}

.displaypageNum a:hover,.showpage a:hover,.pagecurrent{background:#CECECE;text-decoration:none;color: #000;}

 .showpageOf{display:none!important}

#blog-pager .showpage, #blog-pager .pagecurrent{font-weight:bold;color: #888;}

 #blog-pager .pages{border:none;}

 

#blog-pager{clear:both;margin:30px auto;text-align:center; padding: 7px; }

.blog-pager {background: none;}

.displaypageNum a,.showpage a,.pagecurrent{font-size: 13px;padding: 5px 12px;margin-right:5px; color: #3E5801; background-color:#E0EDC1;}

.displaypageNum a:hover,.showpage a:hover, .pagecurrent{background:#FEF6DF;text-decoration:none;color: #E16800;}

#blog-pager .pagecurrent{font-weight:bold;color: #D25E71;background:#FFDEDF;}

 .showpageOf{display:none!important}

#blog-pager .pages{border:none;}

<b:if cond='data:blog.pageType != &quot;item&quot;'>

<b:if cond='data:blog.pageType != &quot;static_page&quot;'>

<script type='text/javascript'>

  /*<![CDATA[*/

    var perPage=3;

    var numPages=3;

    var firstText ='First';

    var lastText ='Last';

    var prevText ='« Previous';

    var nextText ='Next »';

    var urlactivepage=location.href;

    var home_page="/";

if(typeof firstText=="undefined")firstText="First";if(typeof lastText=="undefined")lastText="Last";var noPage;var currentPage;var currentPageNo;var postLabel;pagecurrentg();function looppagecurrentg(pageInfo){var html='';pageNumber=parseInt(numPages / 2);if(pageNumber==numPages-pageNumber){numPages=pageNumber*2+1}

pageStart=currentPageNo-pageNumber;if(pageStart<1)pageStart=1;lastPageNo=parseInt(pageInfo / perPage)+1;if(lastPageNo-1==pageInfo / perPage)lastPageNo=lastPageNo-1;pageEnd=pageStart+numPages-1;if(pageEnd>lastPageNo)pageEnd=lastPageNo;html+="<span class='showpageOf'>Page "+currentPageNo+' of '+lastPageNo+"</span>";var prevNumber=parseInt(currentPageNo)-1;if(currentPageNo>1){if(currentPage=="page"){html+='<span class="showpage firstpage"><a href="'+home_page+'">'+firstText+'</a></span>'}else{html+='<span class="displaypageNum firstpage"><a href="/search/label/'+postLabel+'?&max-results='+perPage+'">'+firstText+'</a></span>'}}

if(currentPageNo>2){if(currentPageNo==3){if(currentPage=="page"){html+='<span class="showpage"><a href="'+home_page+'">'+prevText+'</a></span>'}else{html+='<span class="displaypageNum"><a href="/search/label/'+postLabel+'?&max-results='+perPage+'">'+prevText+'</a></span>'}}else{if(currentPage=="page"){html+='<span class="displaypageNum"><a href="#" onclick="redirectpage('+prevNumber+');return false">'+prevText+'</a></span>'}else{html+='<span class="displaypageNum"><a href="#" onclick="redirectlabel('+prevNumber+');return false">'+prevText+'</a></span>'}}}

if(pageStart>1){if(currentPage=="page"){html+='<span class="displaypageNum"><a href="'+home_page+'">1</a></span>'}else{html+='<span class="displaypageNum"><a href="/search/label/'+postLabel+'?&max-results='+perPage+'">1</a></span>'}}

if(pageStart>2){html+=' ... '}

for(var jj=pageStart;jj<=pageEnd;jj++){if(currentPageNo==jj){html+='<span class="pagecurrent">'+jj+'</span>'}else if(jj==1){if(currentPage=="page"){html+='<span class="displaypageNum"><a href="'+home_page+'">1</a></span>'}else{html+='<span class="displaypageNum"><a href="/search/label/'+postLabel+'?&max-results='+perPage+'">1</a></span>'}}else{if(currentPage=="page"){html+='<span class="displaypageNum"><a href="#" onclick="redirectpage('+jj+');return false">'+jj+'</a></span>'}else{html+='<span class="displaypageNum"><a href="#" onclick="redirectlabel('+jj+');return false">'+jj+'</a></span>'}}}

if(pageEnd<lastPageNo-1){html+='...'}

if(pageEnd<lastPageNo){if(currentPage=="page"){html+='<span class="displaypageNum"><a href="#" onclick="redirectpage('+lastPageNo+');return false">'+lastPageNo+'</a></span>'}else{html+='<span class="displaypageNum"><a href="#" onclick="redirectlabel('+lastPageNo+');return false">'+lastPageNo+'</a></span>'}}

var nextnumber=parseInt(currentPageNo)+1;if(currentPageNo<(lastPageNo-1)){if(currentPage=="page"){html+='<span class="displaypageNum"><a href="#" onclick="redirectpage('+nextnumber+');return false">'+nextText+'</a></span>'}else{html+='<span class="displaypageNum"><a href="#" onclick="redirectlabel('+nextnumber+');return false">'+nextText+'</a></span>'}}

if(currentPageNo<lastPageNo){if(currentPage=="page"){html+='<span class="displaypageNum lastpage"><a href="#" onclick="redirectpage('+lastPageNo+');return false">'+lastText+'</a></span>'}else{html+='<span class="displaypageNum lastpage"><a href="#" onclick="redirectlabel('+lastPageNo+');return false">'+lastText+'</a></span>'}}

var pageArea=document.getElementsByName("pageArea");var blogPager=document.getElementById("blog-pager");for(var p=0;p<pageArea.length;p++){pageArea[p].innerHTML=html}

if(pageArea&&pageArea.length>0){html=''}

if(blogPager){blogPager.innerHTML=html}}

function totalcountdata(root){var feed=root.feed;var totaldata=parseInt(feed.openSearch$totalResults.$t,10);looppagecurrentg(totaldata)}

function pagecurrentg(){var thisUrl=urlactivepage;if(thisUrl.indexOf("/search/label/")!=-1){if(thisUrl.indexOf("?updated-max")!=-1){postLabel=thisUrl.substring(thisUrl.indexOf("/search/label/")+14,thisUrl.indexOf("?updated-max"))}else{postLabel=thisUrl.substring(thisUrl.indexOf("/search/label/")+14,thisUrl.indexOf("?&max"))}}

if(thisUrl.indexOf("?q=")==-1&&thisUrl.indexOf(".html")==-1){if(thisUrl.indexOf("/search/label/")==-1){currentPage="page";if(urlactivepage.indexOf("#PageNo=")!=-1){currentPageNo=urlactivepage.substring(urlactivepage.indexOf("#PageNo=")+8,urlactivepage.length)}else{currentPageNo=1}

document.write("<script src=\""+home_page+"feeds/posts/summary?max-results=1&alt=json-in-script&callback=totalcountdata\"><\/script>")}else{currentPage="label";if(thisUrl.indexOf("&max-results=")==-1){perPage=20}

if(urlactivepage.indexOf("#PageNo=")!=-1){currentPageNo=urlactivepage.substring(urlactivepage.indexOf("#PageNo=")+8,urlactivepage.length)}else{currentPageNo=1}

document.write('<script src="'+home_page+'feeds/posts/summary/-/'+postLabel+'?alt=json-in-script&callback=totalcountdata&max-results=1" ><\/script>')}}}

function redirectpage(numberpage){jsonstart=(numberpage-1)*perPage;noPage=numberpage;var nameBody=document.getElementsByTagName('head')[0];var newInclude=document.createElement('script');newInclude.type='text/javascript';newInclude.setAttribute("src",home_page+"feeds/posts/summary?start-index="+jsonstart+"&max-results=1&alt=json-in-script&callback=finddatepost");nameBody.appendChild(newInclude)}

function redirectlabel(numberpage){jsonstart=(numberpage-1)*perPage;noPage=numberpage;var nameBody=document.getElementsByTagName('head')[0];var newInclude=document.createElement('script');newInclude.type='text/javascript';newInclude.setAttribute("src",home_page+"feeds/posts/summary/-/"+postLabel+"?start-index="+jsonstart+"&max-results=1&alt=json-in-script&callback=finddatepost");nameBody.appendChild(newInclude)}

function finddatepost(root){post=root.feed.entry[0];var timestamp1=post.published.$t.substring(0,19)+post.published.$t.substring(23,29);var timestamp=encodeURIComponent(timestamp1);if(currentPage=="page"){var pAddress="/search?updated-max="+timestamp+"&max-results="+perPage+"#PageNo="+noPage}else{var pAddress="/search/label/"+postLabel+"?updated-max="+timestamp+"&max-results="+perPage+"#PageNo="+noPage}

location.href=pAddress}

  /*]]>*/

</script>

</b:if>

</b:if>