cool_browser = document.images ? 1 : 0;

function chImage(ImgID, light)
{
    if (!cool_browser) return;

    if (light) document.images[ImgID].src = eval("i_" + ImgID + "_light.src");
    else       document.images[ImgID].src = eval("i_" + ImgID + ".src");
}

if (cool_browser)
{
    // Loading images beforhand
    i_m_main = new Image;
    i_m_main.src = "images/m_main.gif";
    i_m_main_light = new Image;
    i_m_main_light.src = "images/m_main_light.gif";

    i_m_company = new Image;
    i_m_company.src = "images/m_company.gif";
    i_m_company_light = new Image;
    i_m_company_light.src = "images/m_company_light.gif";

    i_m_catalogue = new Image;
    i_m_catalogue.src = "images/m_catalogue.gif";
    i_m_catalogue_light = new Image;
    i_m_catalogue_light.src = "images/m_catalogue_light.gif";

    i_m_prices = new Image;
    i_m_prices.src = "images/m_prices.gif";
    i_m_prices_light = new Image;
    i_m_prices_light.src = "images/m_prices_light.gif";

    i_m_archive = new Image;
    i_m_archive.src = "images/m_archive.gif";
    i_m_archive_light = new Image;
    i_m_archive_light.src = "images/m_archive_light.gif";

    i_m_sitemap = new Image;
    i_m_sitemap.src = "images/m_sitemap.gif";
    i_m_sitemap_light = new Image;
    i_m_sitemap_light.src = "images/m_sitemap_light.gif";

    i_m_forum = new Image;
    i_m_forum.src = "images/m_forum.gif";
    i_m_forum_light = new Image;
    i_m_forum_light.src = "images/m_forum_light.gif";
}