fusen / FFS When Is Next Top Post

// ==UserScript==
// @name        FFS When Is Next Top Post
// @namespace   ffsCountPosts
// @description Shows a count for number of top level posts per page, to see when the next top post will be
// @include     http://www.fantasyfootballscout.co.uk/*
// @version     3
// @grant       none
// ==/UserScript==

var topComArray = document.getElementsByClassName('hc-level-0');
for (var i = 0; i < topComArray.length; i++) {
	var postNum = parseInt(i)+1;
	var startHTML = '<span style="background-color:white; font-family: Verdana; padding:4px;color:grey">';
   var specialHTML = '<span style="position:absolute; left: 10px; background-color:white; font-family: Verdana; padding:10px;color:grey">'
	var endHTML = '</span>';
	if (postNum == 1) {
       content = startHTML+'<b>Top Post</b>'+endHTML;
    }
    if (postNum == 30) {
       content = startHTML+'<b>LAST POST</b>'+endHTML;
    }
    if (postNum != 1 && postNum != 30) {
       content = specialHTML+postNum+endHTML;
    }
   topComArray[i].insertAdjacentHTML("beforeBegin", content);
}