stylesheetsFound = 0;
maximumSecondsChecked = 30;

if ( document.styleSheets)
{
  checkTVSS();
}

function checkTVSS()
{
  if ( stylesheetsFound != document.styleSheets.length )
  {
    removeTVSS();
    stylesheetsFound = document.styleSheets.length;
  }
  maximumSecondsChecked --;
  if ( maximumSecondsChecked > 0 ) window.setTimeout ( "checkTVSS()", 1000 );
}

function removeTVSS ()
{
  for ( i = 0; i <= document.styleSheets.length - 1; i ++)
  {
    if ( document.styleSheets(i).href.indexOf("thirdvoice.com") != -1 )
      document.styleSheets(i).disabled = true;
    if ( document.styleSheets(i).href.indexOf("BrowserUI1.css") != -1 )
      document.styleSheets(i).disabled = true;
  }
}