function preloader() 
    {
        image1 = new Image();
        image1.src = "img_nav/TGF_PgM_3a-MO.jpg";
        image2 = new Image();
        image2.src = "img_nav/TGF_PgM_4a-MO.jpg";
        image3 = new Image();
        image3.src = "img_nav/TGF_PgM_5a-MO.jpg";
        image4 = new Image();
        image4.src = "img_nav/TGF_PgM_6a-MO.jpg";
        image5 = new Image();
        image5.src = "img_nav/TGF_PgM_7a-MO.jpg";
        image6 = new Image();
        image6.src = "img_nav/TGF_PgM_8a-MO.jpg";
        image7 = new Image();
        image7.src = "img_nav/TGF_PgM_9a-MO.jpg";
        image8 = new Image();
        image8.src = "img_nav/TGF_PgM_10b-MO.jpg";
        image9 = new Image();
        image9.src = "img_nav/TGF_PgM_10b-MO.jpg";
        image10 = new Image();
        image10.src = "img_nav/TGF_PgM_10a-JT01.jpg";
        image10 = new Image();
        image10.src = "img_nav/TGF_PgM_10a-ME01.jpg";
        image10 = new Image();
        image10.src = "img_nav/TGF_PgM_10a-NP01.jpg";
        image10 = new Image();
        image10.src = "img_nav/TGF_PgM_10a-SP01.jpg";
        image10 = new Image();
        image10.src = "img_nav/TGF_PgM_10a-SP02.jpg";
        image10 = new Image();
        image10.src = "img_nav/TGF_PgM_10a-SP03.jpg";

    }