Calculates the average price of items attached to a letter
// ==UserScript==
// @name Average Calculator for MoogleMail
// @description Calculates the average price of items attached to a letter
// @include http://hentaiverse.org/?s=Bazaar&ss=mm&filter=*
// @version 0.0.1.20141117150147
// @namespace https://greasyfork.org/users/2233
// ==/UserScript==
var wnd = window
var doc = wnd.document
var loc = location
var href = loc.href
var $ = function(e, css) { if(!css) { css=e; e=doc }; return e.querySelector(css) }
var $$ = function(e, css) { if(!css) { css=e; e=doc }; return e.querySelectorAll(css) }
var body_section = $('#leftpane').children[1]
var s = body_section.textContent.replace(/>/g, '')
var m = s.match(/\bOriginally attached item was: ([0-9]+)x ([^\(]+)\(.+, CoD was ([0-9]+)C/i)
if(m) {
var quantity = parseInt(m[1])
var item = m[2].replace(/^ +| +$/g, '')
var cod = parseInt(m[3])
var avg_price = cod/quantity
body_section.innerHTML = body_section.innerHTML + '<HR>Item: ' + item + '<BR>Quantity: ' + quantity + '<BR>CoD: ' + cod + 'c<BR>Average Price: ' + avg_price + 'c'
}