function activate1() { 
    document.images["LN1"].src = "../images/LN1on.gif"; 
    } 
    function deactivate1() { 
    document.images["LN1"].src = "../images/LN1.gif"; 
    }
    function activate2() { 
    document.images["LN2"].src = "../images/LN2on.gif"; 
    } 
    function deactivate2() { 
    document.images["LN2"].src = "../images/LN2.gif"; 
    }
    function activate3() { 
    document.images["LN3"].src = "../images/LN3on.gif"; 
    } 
    function deactivate3() { 
    document.images["LN3"].src = "../images/LN3.gif"; 
    }
    function activate4() { 
    document.images["LN4"].src = "../images/LN4on.gif"; 
    } 
    function deactivate4() { 
    document.images["LN4"].src = "../images/LN4.gif"; 
    }
    function activate5() { 
    document.images["LN5"].src = "../images/LN5on.gif"; 
    } 
    function deactivate5() { 
    document.images["LN5"].src = "../images/LN5.gif"; 
    }
     function activate6() { 
    document.images["LN6"].src = "../images/LN6on.gif"; 
    } 
    function deactivate6() { 
    document.images["LN6"].src = "../images/LN6.gif"; 
    }
     function activate7() { 
    document.images["LN7"].src = "../images/LN7on.gif"; 
    } 
    function deactivate7() { 
    document.images["LN7"].src = "../images/LN7.gif"; 
    }
     function activate8() { 
    document.images["LN8"].src = "../images/LN8on.gif"; 
    } 
    function deactivate8() { 
    document.images["LN8"].src = "../images/LN8.gif"; 
    }


    function Tactivate1() { 
    document.images["TN1"].src = "../images/TN1on.gif"; 
    } 
    function Tdeactivate1() { 
    document.images["TN1"].src = "../images/TN1.gif"; 
    }
    function Tactivate2() { 
    document.images["TN2"].src = "../images/TN2on.gif"; 
    } 
    function Tdeactivate2() { 
    document.images["TN2"].src = "../images/TN2.gif"; 
    }
    function Tactivate3() { 
    document.images["TN3"].src = "../images/TN3on.gif"; 
    } 
    function Tdeactivate3() { 
    document.images["TN3"].src = "../images/TN3.gif"; 
    }
    function Tactivate4() { 
    document.images["TN4"].src = "../images/TN4on.gif"; 
    } 
    function Tdeactivate4() { 
    document.images["TN4"].src = "../images/TN4.gif"; 
    }
    function Tactivate5() { 
    document.images["TN5"].src = "../images/TNhomeon.gif"; 
    } 
    function Tdeactivate5() { 
    document.images["TN5"].src = "../images/TNhome.gif"; 
    }