subnav1on = new Image( );
       subnav1on.src = "../images/subroll01.gif";
       subnav2on = new Image( );
       subnav2on.src = "../images/subroll02.gif";
       subnav3on = new Image( );
       subnav3on.src = "../images/subroll03.gif";
       subnav4on = new Image( );
       subnav4on.src = "../images/subroll04.gif";
       subnav5on = new Image( );
       subnav5on.src = "../images/subroll05.gif";
       subnav6on = new Image( );
       subnav6on.src = "../images/subroll06.gif";

       subnavoff = new Image( );
       subnavoff.src = "../images/pixel.gif";


  function subnav_act(subNavNum) {
      subOn = eval (subNavNum + "on.src");
      document ["subnavtext"].src = subOn;
      }

  function subnav_inact()  {
      subOff = eval ("subnavoff.src");
      document ["subnavtext"].src = subOff;
      }