function rollonby() {
  if (document.getinfinite.src.indexOf('get') > 0) {
    document.getinfinite.src = 'images/link_ff.png';
    }
  else {
    document.getinfinite.src = 'images/get_infinite.png';
    }
  }

function rollover1() {
  if (document.trackmaintenance.src.indexOf('get') > 0) {
    document.trackmaintenance.src = 'images/home.gif';
    }
  else {
    document.trackmaintenance.src = 'images/homeon.gif';
    }
  }

function rollover2() {
  if (document.trackmaintenance.src.indexOf('get') > 0) {
    document.trackmaintenance.src = 'images/homeon.gif';
    }
  else {
    document.trackmaintenance.src = 'images/home.gif';
    }
  }


function rollover1a() {
  if (document.trackmaintenance.src.indexOf('get') > 0) {
    document.trackmaintenance.src = 'images/track_maintenance2_off.gif';
    }
  else {
    document.trackmaintenance.src = 'images/track_maintenance2_on.gif';
    }
  }

function rollover2a() {
  if (document.trackmaintenance.src.indexOf('get') > 0) {
    document.trackmaintenance.src = 'images/track_maintenance2_on.gif';
    }
  else {
    document.trackmaintenance.src = 'images/track_maintenance2_off.gif';
    }
  }

function rollover1b() {
  if (document.rmtc.src.indexOf('get') > 0) {
    document.rmtc.src = 'images/rmtc_off.gif';
    }
  else {
    document.rmtc.src = 'images/rmtc_on.gif';
    }
  }

function rollover2b() {
  if (document.rmtc.src.indexOf('get') > 0) {
    document.rmtc.src = 'images/rmtc_on.gif';
    }
  else {
    document.rmtc.src = 'images/rmtc_off.gif';
    }
  }