  <!-- =-=-= CBH =-=-= -->
function changeImageC()
{
document.images["jsbuttonC"].src = "images/Tenants_CBHH.png";
return true;
}
function changeImageBackC()
{
 document.images["jsbuttonC"].src = "images/Tenants_CBH.png";
 return true;
}
function handleMDownC()
{
 document.images["jsbuttonC"].src = "images/Tenants_CBHP.png";
 return true;
}
function handleMUpC()
{
 changeImageC();
 return true;
} 
 <!-- =-=-= SDC=-=-= -->
function changeImageS()
{
document.images["jsbuttonS"].src = "images/Tenants_SDCH.png";
return true;
}
function changeImageBackS()
{
 document.images["jsbuttonS"].src = "images/Tenants_SDC.png";
 return true;
}
function handleMDownS()
{
 document.images["jsbuttonS"].src = "images/Tenants_SDCP.png";
 return true;
}
function handleMUpS()
{
 changeImageS();
 return true;
}

 <!-- =-=-= Foss=-=-= -->
 function changeImageF()
 {
 document.images["jsbuttonF"].src = "images/Tenants_FosseH.png";
 return true;
 }
 function changeImageBackF()
 {
 document.images["jsbuttonF"].src = "images/Tenants_Fosse.png";
 return true;
 }
 function handleMDownF()
 {
 document.images["jsbuttonF"].src = "images/Tenants_FosseP.png";
 return true;
 }
 function handleMUpF()
 {
 changeImageF();
 return true;
 }
 
 <!-- =-=-= GCH=-=-= -->
  function changeImageG()
  {
  document.images["jsbuttonG"].src = "images/Tenants_GCHH.png";
  return true;
  }
  function changeImageBackG()
  {
  document.images["jsbuttonG"].src = "images/Tenants_GCH.png";
  return true;
  }
  function handleMDownG()
  {
  document.images["jsbuttonG"].src = "images/Tenants_GCHP.png";
  return true;
  }
  function handleMUpG()
  {
  changeImageG();
  return true;
  }
   <!-- =-=-= GHA=-=-= -->
  function changeImageGH()
  {
  document.images["jsbuttonGH"].src = "images/Tenants_GHAH.png";
  return true;
  }
  function changeImageBackGH()
  {
  document.images["jsbuttonGH"].src = "images/Tenants_GHA.png";
  return true;
  }
  function handleMDownGH()
  {
  document.images["jsbuttonGH"].src = "images/Tenants_GHAP.png";
  return true;
  }
  function handleMUpGH()
  {
  changeImageGH();
  return true;
  }
   <!-- =-=-= SV=-=-= -->
  function changeImageSV()
  {
  document.images["jsbuttonSV"].src = "images/Tenants_SVH.png";
  return true;
  }
  function changeImageBackSV()
  {
  document.images["jsbuttonSV"].src = "images/Tenants_SV.png";
  return true;
  }
  function handleMDownSV()
  {
  document.images["jsbuttonSV"].src = "images/Tenants_SVP.png";
  return true;
  }
  function handleMUpSV()
  {
  changeImageSV();
  return true;
  }