function setBackground() {
  var d, dom, ie, ie4, ie5x, moz, mac, win, lin, old, ie5mac, ie5xwin, op;
  d = document;
  n = navigator;
  na = n.appVersion;
  nua = n.userAgent;
  win = ( na.indexOf( 'Win' ) != -1 );
  mac = ( na.indexOf( 'Mac' ) != -1 );
  lin = ( nua.indexOf( 'Linux' ) != -1 );
  //alert (nua);
  if ( !d.layers ){
    dom = ( d.getElementById );
    op = ( nua.indexOf( 'Opera' ) != -1 );
    konq = ( nua.indexOf( 'Konqueror' ) != -1 );
    saf = ( nua.indexOf( 'Safari' ) != -1 );
    moz = ( nua.indexOf( 'Gecko' ) != -1 && !saf && !konq);
    ie = ( d.all && !op );
    ie4 = ( ie && !dom );

    /*
    ie5x tests only for functionality. ( dom||ie5x ) would be default settings. 
    Opera will register true in this test if set to identify as IE 5
    */

    ie5x = ( d.all && dom );
    ie5mac = ( mac && ie5x );
    ie5xwin = ( win && ie5x );
  }

  if (ie) {
    // no need to do anything, default is for IE
  } else if (moz || op) {
    document.getElementById('background').style.backgroundColor = "#e6e4de";
    document.getElementById('content').style.backgroundColor = "#e6e4de";
    document.getElementById('footer-logos').style.backgroundColor = "#e6e4de";
  } else {
    document.getElementById('background').style.backgroundColor = "#e6e4de";
    document.getElementById('content').style.backgroundColor = "#e6e4de";
    document.getElementById('footer-logos').style.backgroundColor = "#e6e4de";
  }
}