ecDB.net - Adds red background to missing components

ecdb_missing_components.js

// ==UserScript==
// @name           ecDB
// @namespace      http://www.ecdb.net
// @description    Adds red background to missing components
// @include        http://ecdb.net/proj_show.php?proj_id=*
// ==/UserScript==

var componentsTable = document.getElementsByClassName('globalTables')[0];
var componentsTableBody = componentsTable.getElementsByTagName("tbody")[0];
var componentsTableRows = componentsTableBody.getElementsByTagName("tr");

for (i in componentsTableRows)
{
    var cell = componentsTableRows[i].getElementsByTagName("td")[7];
    var quantity = cell.childNodes[0].data;
    
    if (quantity == 0)
    {
        cell.style.background = "rgb(255,0,0)";
    }
}