// ==UserScript==
// @name       Secondary match percentage for OkCupid
// @version    0.1
// @description  null
// @match      *://www.okcupid.com/profile/*
// @copyright  2014, yazdmich
// ==/UserScript==
document.getElementById('percentages').innerHTML += '<div class="percentbox othermatch"><span class="percent"></span><span class="percentlabel">Match2</span></div>';
var a = parseInt(document.querySelector("#percentages > div.percentbox.match > span.percent").innerHTML);
var b = parseInt(document.querySelector("#percentages > div.percentbox.enemy > span.percent").innerHTML);
var c = Math.sqrt(a*(100-b));
document.getElementsByClassName('percent')[2].innerHTML = Math.round(c)+"%";
document.getElementsByClassName('percentlabel')[2].innerHTML = "Match2";