if(document.images)
    {
      imagemap_default = new Image();
      imagemap_default.src = '/images/menu.gif';
      imagemap_one = new Image();
      imagemap_one.src = '/images/menu2.gif';
      imagemap_two = new Image();
      imagemap_two.src = '/images/menu3.gif';
      imagemap_three = new Image();
      imagemap_three.src = '/images/menu4.gif';
      imagemap_four = new Image();
      imagemap_four.src = '/images/menu5.gif';
      imagemap_five = new Image();
      imagemap_five.src = '/images/menu6.gif';

     
    }

    function rollOver(iName,iState)
    {
      if(document.images)
      {
        document.images[iName].src = eval(iName + '_' + iState + '.src');
      }
    }