var GrayImgs;
  var BlueImgs;
  var SelImgs;
  var Elements;
  var Img_loaded = 0;

  function preload()
  {
    GrayImgs = new Array();
    BlueImgs = new Array();
    SelImgs  = new Array();
    Elements = new Array('Newson','Rhothor','Flight','Contester','IndSol');

    if (document.images)
    {
      GrayImgs[0] = new Image();
      GrayImgs[0].src = "Logos/LogoNewson3.bmp";
      GrayImgs[1] = new Image();
      GrayImgs[1].src = "Logos/LogoRhothor3.bmp";
      GrayImgs[2] = new Image();
      GrayImgs[2].src = "Logos/LogoFlight3.bmp";
      GrayImgs[3] = new Image();
      GrayImgs[3].src = "Logos/LogoContester3.bmp";
      GrayImgs[4] = new Image();
      GrayImgs[4].src = "Logos/LogoIndSol3.bmp";
      BlueImgs[0] = new Image();
      BlueImgs[0].src = "Logos/LogoNewson2.bmp";
      BlueImgs[1] = new Image();
      BlueImgs[1].src = "Logos/LogoRhothor2.bmp";
      BlueImgs[2] = new Image();
      BlueImgs[2].src = "Logos/LogoFlight2.bmp";
      BlueImgs[3] = new Image();
      BlueImgs[3].src = "Logos/LogoContester2.bmp";
      BlueImgs[4] = new Image();
      BlueImgs[4].src = "Logos/LogoIndSol2.bmp";
      SelImgs[0] = new Image();
      SelImgs[0].src = "Logos/LogoNewson.bmp";
      SelImgs[1] = new Image();
      SelImgs[1].src = "Logos/LogoRhothor.bmp";
      SelImgs[2] = new Image();
      SelImgs[2].src = "Logos/LogoFlight.bmp";
      SelImgs[3] = new Image();
      SelImgs[3].src = "Logos/LogoContester.bmp";
      SelImgs[4] = new Image();
      SelImgs[4].src = "Logos/LogoIndSol.bmp";
      Img_loaded = 1;
    }
  }

  function ms_over(nr)
  {
    if (Img_loaded>0)
    {
      document.images[Elements[nr]].src = BlueImgs[nr].src;
    }
  }

  function ms_out(nr)
  {
    if (Img_loaded>0)
    {
      document.images[Elements[nr]].src = GrayImgs[nr].src;
    }
  }

  function ms_sel(nr)
  {
    if (document.images && Img_loaded>0 )
    {
      document.images[Elements[nr]].src = SelImgs[nr].src;
    }
  }