browserName = navigator.appName;
    browserVer = parseInt(navigator.appVersion);
    if (browserVer >=3)
            version="3";
    else
            version="2";

    if (version=="3") {
           menu_main_on=new Image(159,22);
           menu_main_on.src="/_images/main_on.gif";
           menu_main_off=new Image(159,22);
           menu_main_off.src="/_images/main_off.gif";

           menu_catalog_on=new Image(159,22);
           menu_catalog_on.src="/_images/catalog_on.gif";
           menu_catalog_off=new Image(159,22);
           menu_catalog_off.src="/_images/catalog_off.gif";

           menu_new_on=new Image(159,22);
           menu_new_on.src="/_images/new_on.gif";
           menu_new_off=new Image(159,22);
           menu_new_off.src="/_images/new_off.gif";

           menu_about_on=new Image(159,22);
           menu_about_on.src="/_images/about_on.gif";
           menu_about_off=new Image(159,22);
           menu_about_off.src="/_images/about_off.gif";

           menu_news_bil_on=new Image(159,22);
           menu_news_bil_on.src="/_images/news_bil_on.gif";
           menu_news_bil_off=new Image(159,22);
           menu_news_bil_off.src="/_images/news_bil_off.gif";

           menu_masters_on=new Image(159,22);
           menu_masters_on.src="/_images/masters_on.gif";
           menu_masters_off=new Image(159,22);
           menu_masters_off.src="/_images/masters_off.gif";

           menu_federation_on=new Image(159,22);
           menu_federation_on.src="/_images/federation_on.gif";
           menu_federation_off=new Image(159,22);
           menu_federation_off.src="/_images/federation_off.gif";

           menu_magazine_on=new Image(159,22);
           menu_magazine_on.src="/_images/magazine_on.gif";
           menu_magazine_off=new Image(159,22);
           menu_magazine_off.src="/_images/magazine_off.gif";

           menu_forum_on=new Image(159,22);
           menu_forum_on.src="/_images/forum_on.gif";
           menu_forum_off=new Image(159,22);
           menu_forum_off.src="/_images/forum_off.gif";

           menu_kubok_on=new Image(159,22);
           menu_kubok_on.src="/_images/kubok_on.gif";
           menu_kubok_off=new Image(159,22);
           menu_kubok_off.src="/_images/kubok_off.gif";

           menu_service_on=new Image(159,22);
           menu_service_on.src="/_images/service_on.gif";
           menu_service_off=new Image(159,22);
           menu_service_off.src="/_images/service_off.gif";

           menu_where_on=new Image(159,22);
           menu_where_on.src="/_images/where_on.gif";
           menu_where_off=new Image(159,22);
           menu_where_off.src="/_images/where_off.gif";

    }

    function rollIn(imgName) { if (version=="3") { document[imgName].src=eval(imgName + "on.src"); } }
    function rollOut(imgName) { if (version=="3")  { document[imgName].src=eval(imgName + "off.src"); } }

//    document.height = 0;