// ==UserScript==
// @name       My Fancy New Userscript
// @namespace  http://use.i.E.your.homepage/
// @version    0.1
// @include    *e-sim*
// @description  enter something useful
// @copyright  2012+, You
// ==/UserScript==

document.body.innerHTML= document.body.innerHTML.replace("<table class=\"shadedTable mainTable\" style=\"width: 1020px\">","<table class=\"shadedTable mainTable\" style=\"width: 980px\">");

for( i = 0; (l = document.getElementsByTagName("link")[i]); i++ ) {
    if( l.getAttribute("rel").indexOf("style") >= 0 ) l.disabled = true;
}

var link = window.document.createElement('link');
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = 'http://aadamczyk.pl/style3.css';
document.getElementsByTagName("HEAD")[0].appendChild(link);