if (document.images) {
        img1on = new Image();   img1on.src = "/img/r_menu_1.gif";
        img1off = new Image();   img1off.src = "/img/menu_1.gif";
        
        img2on = new Image();   img2on.src = "/img/r_menu_2.gif";
        img2off = new Image();   img2off.src = "/img/menu_2.gif";
        
        img3on = new Image();   img3on.src = "/img/r_menu_3.gif";
        img3off = new Image();   img3off.src = "/img/menu_3.gif";
        
        img4on = new Image();   img4on.src = "/img/r_menu_4.gif";
        img4off = new Image();   img4off.src = "/img/menu_4.gif";
        
        img5on = new Image();   img5on.src = "/img/r_menu_5.gif";
        img5off = new Image();   img5off.src = "/img/menu_5.gif";
        
        img6on = new Image();   img6on.src = "/img/r_menu_6.gif";
        img6off = new Image();   img6off.src = "/img/menu_6.gif";
}

function imgOn(imgName)
{
        if (document.images) document[imgName].src = eval(imgName + "on.src");
}

function imgOff(imgName)
{
        if (document.images) document[imgName].src = eval(imgName + "off.src");
}


if (document.images) {
        bimg1on = new Image();   bimg1on.src = "/img/r_bot_menu_1.gif";
        bimg1off = new Image();   bimg1off.src = "/img/bot_menu_1.gif";
        
        bimg2on = new Image();   bimg2on.src = "/img/r_bot_menu_2.gif";
        bimg2off = new Image();   bimg2off.src = "/img/bot_menu_2.gif";
        
        bimg3on = new Image();   bimg3on.src = "/img/r_bot_menu_3.gif";
        bimg3off = new Image();   bimg3off.src = "/img/bot_menu_3.gif";
        
        bimg4on = new Image();   bimg4on.src = "/img/r_bot_menu_4.gif";
        bimg4off = new Image();   bimg4off.src = "/img/bot_menu_4.gif";
        
        bimg5on = new Image();   bimg5on.src = "/img/r_bot_menu_5.gif";
        bimg5off = new Image();   bimg5off.src = "/img/bot_menu_5.gif";
        
        bimg6on = new Image();   bimg6on.src = "/img/r_bot_menu_6.gif";
        bimg6off = new Image();   bimg6off.src = "/img/bot_menu_6.gif";
}

function bimgOn(imgName)
{
        if (document.images) document[imgName].src = eval(imgName + "on.src");
}

function bimgOff(imgName)
{
        if (document.images) document[imgName].src = eval(imgName + "off.src");
}