agent = navigator.userAgent;
  yes = 0;
  if(agent.substring(0,7) == "Mozilla")
    {
    if( parseInt(agent.substring(8,9)) >= 3)
          {
          yes = 1;
          }
    }

  if(yes)
    {


        pc1n = new Image();
        pc1n.src = "./images/pcmpc1.gif";
        pc1h = new Image();
        pc1h.src = "./images/pcmphc1.gif";


        pc2n = new Image();
        pc2n.src = "./images/pcmpc2.gif";
        pc2h = new Image();
        pc2h.src = "./images/pcmphc2.gif";


        pc3n = new Image();
        pc3n.src = "./images/pcmpc3.gif";
        pc3h = new Image();
        pc3h.src = "./images/pcmphc3.gif";


        pc4n = new Image();
        pc4n.src = "./images/pcmpc4.gif";
        pc4h = new Image();
        pc4h.src = "./images/pcmphc4.gif";


        pc5n = new Image();
        pc5n.src = "./images/pcmpc5.gif";
        pc5h = new Image();
        pc5h.src = "./images/pcmphc5.gif";
                                                                pt1n = new Image();
        pt1n.src = "./images/phnvmtt1.gif";
        pt1h = new Image();
        pt1h.src = "./images/phnvmtht1.gif";
                              pt2n = new Image();
        pt2n.src = "./images/phnvmtt2.gif";
        pt2h = new Image();
        pt2h.src = "./images/phnvmtht2.gif";
                              pt3n = new Image();
        pt3n.src = "./images/phnvmtt3.gif";
        pt3h = new Image();
        pt3h.src = "./images/phnvmtht3.gif";
                              pt4n = new Image();
        pt4n.src = "./images/phnvmtt4.gif";
        pt4h = new Image();
        pt4h.src = "./images/phnvmtht4.gif";
                              pt5n = new Image();
        pt5n.src = "./images/phnvmtt5.gif";
        pt5h = new Image();
        pt5h.src = "./images/phnvmtht5.gif";
              pm0n = new Image();
    pm0n.src = "./images/phomesm0.gif";
    pm0h = new Image();
    pm0h.src = "./images/phomesm0.gif";

                                                  pm1n = new Image();
      pm1n.src = "./images/pmtm1.gif";
      pm1h = new Image();
      pm1h.src = "./images/pmthm1.gif";
                                                  pm2n = new Image();
      pm2n.src = "./images/pmtm2.gif";
      pm2h = new Image();
      pm2h.src = "./images/pmthm2.gif";
                                                  pm3n = new Image();
      pm3n.src = "./images/pmtm3.gif";
      pm3h = new Image();
      pm3h.src = "./images/pmthm3.gif";
                                                  pm4n = new Image();
      pm4n.src = "./images/pmtm4.gif";
      pm4h = new Image();
      pm4h.src = "./images/pmthm4.gif";
                                                  pm5n = new Image();
      pm5n.src = "./images/pmtm5.gif";
      pm5h = new Image();
      pm5h.src = "./images/pmthm5.gif";
            doff = new Image();
        doff.src = "./images/pd.gif"
        don = new Image();
        don.src = "./images/psd.gif"
    }
  function CI(imgNum,imgName)
        {
        if(yes)
          {
          document.images[imgNum].src = eval(imgName + ".src")
          }
        }