function a ( varID )
{
  document.getElementById( varID ).className="offerHl";
}
function b ( varID )
{
  document.getElementById( varID ).className="offer";
}
function c ( varID )
{
  document.getElementById( varID ).className="offerLeftHl";
}
function d ( varID )
{
  document.getElementById( varID ).className="offerLeft";
}
function openForm ( varLink )
{
  window.open( varLink , '_self' );
}