Random Posts Widget For Blogger/Blogspot
This widget can definitely bring some excitement to your blogger powered blog. Letting your readers surf your blog to the fullest extent by creating a link to a random post in your blog's sidebar.

Adding a Random posts widget is very easy...
Simply log in to Blogger, go to Layout, click on "Add a Gadget", and select it as "HTML/JavaScript" type.

And finally paste this code in to it:

<script type="text/javascript">

var randarray = new Array();var l=0;var flag;

var numofpost=8;function randomposts(json){

var total = parseInt(json.feed.openSearch$totalResults.$t,10);

for(i=0;i < numofpost;){flag=0;randarray.length=numofpost;l=Math.floor(Math.random()*total);for(j in randarray){if(l==randarray[j]){ flag=1;}}

if(flag==0&&l!=0){randarray[i++]=l;}}document.write('<ul>');

for(n in randarray){ var p=randarray[n];var entry=json.feed.entry[p-1];

for(k=0; k < entry.link.length; k++){if(entry.link[k].rel=='alternate'){var item = "<li>" + "<a href=" + entry.link[k].href + ">" + entry.title.$t + "</a> </li>";

document.write(item);}}

}document.write('</ul>');}

</script>

<script src="/feeds/posts/default?alt=json-in-script&start-index=1&max-results=1000&callback=randomposts" type="text/javascript"></script>

- Edit the code numofpost=8;function to change the number of posts being displayed in the widget.

- NOW CLICK SAVE TEMPLATE