if (document.images)    {
         p1on = new Image; p1on.src = "../images/menu_lt/about_on.gif"; p1off = new Image; p1off.src = "../images/menu_lt/about.gif";
         p2on = new Image; p2on.src = "../images/menu_lt/news_on.gif"; p2off = new Image; p2off.src = "../images/menu_lt/news.gif";
         p3on = new Image; p3on.src = "../images/menu_lt/offers_on.gif"; p3off = new Image; p3off.src = "../images/menu_lt/offers.gif";
         p4on = new Image; p4on.src = "../images/menu_lt/contacts_on.gif"; p4off = new Image; p4off.src = "../images/menu_lt/contacts.gif";
         p5on = new Image; p5on.src = "images/lt_on.gif"; p5off = new Image; p5off.src = "images/lt.gif";
         p6on = new Image; p6on.src = "images/en_on.gif"; p6off = new Image; p6off.src = "images/en.gif";
         p7on = new Image; p7on.src = "../images/menu_lt/news_on.gif"; p7off = new Image; p7off.src = "../images/menu_lt/news_up.gif";
         p8on = new Image; p8on.src = "images/de_on.gif"; p8off = new Image; p8off.src = "images/de.gif";
         p9on = new Image; p9on.src = "../images/menu_lt/services_on.gif"; p9off = new Image; p9off.src = "../images/menu_lt/services.gif";
}

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