gistfile1

n addGlobalStyle(css) {
    var head, style;
    head = document.getElementsByTagName('head')[0];
    if (!head) { return; }
    style = document.createElement('style');
    style.type = 'text/css';
    style.innerHTML = css;
    head.appendChild(style);
}

function addExternalCss(url) {
    var head = document.getElementsByTagName('head')[0];
    if ( ! head ) { return; }
    
    var link  = document.createElement('link');
    link.type = 'text/css';
    link.rel  = 'stylesheet';
    link.href = url;
    
    head.appendChild( link );
}

addGlobalStyle(
  'body, html {'              +
  '  width: 100%;'            +
  '}'                         +
  '#content.wiki .wikipage { '+
  ' width: 100%;'             +
  '}'
);
addExternalCss(
  "http://github.com/csexton/ristoink4trac/raw/e7d0f2c2d00a2d25f9a93e0db674844f3e76bc49/code.css"
);