browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

        version = "old";
        if (browserName == "Netscape" && browserVer >=3)

                version = "new";

        if (browserName == "Microsoft Internet Explorer" && browserVer >=4)
 
         version = "new";

        if (version == "new")         {
                toc1off = new Image(141, 18);
                toc1off.src = "icons2/1off.gif";
                toc2off = new Image(141, 18);
                toc2off.src = "icons2/2off.gif";
                toc3off = new Image(141, 18);
                toc3off.src = "icons2/3off.gif";
                toc4off = new Image(141, 18);
                toc4off.src = "icons2/4off.gif";
                toc5off = new Image(141, 18);
                toc5off.src = "icons2/5off.gif";
                toc6off = new Image(141, 18);
                toc6off.src = "icons2/6off.gif";
                toc7off = new Image(141, 18);
                toc7off.src = "icons2/7off.gif";
                toc8off = new Image(141, 18);
                toc8off.src = "icons2/8off.gif";
                toc9off = new Image(141, 18);
                toc9off.src = "icons2/9off.gif";
                toc10off = new Image(141, 18);
                toc10off.src = "icons2/10off.gif";
                toc11off = new Image(141, 18);
                toc11off.src = "icons2/11off.gif";
                toc12off = new Image(141, 18);
                toc12off.src = "icons2/12off.gif";
                toc13off = new Image(141, 18);
                toc13off.src = "icons2/13off.gif";
                toc14off = new Image(141, 18);
                toc14off.src = "icons2/14off.gif";
                toc15off = new Image(141, 18);
                toc15off.src = "icons2/15off.gif";
                toc16off = new Image(141, 18);
                toc16off.src = "icons2/16off.gif";
                toc17off = new Image(141, 18);
                toc17off.src = "icons2/17off.gif";
		toc18off = new Image(141, 18);
                toc18off.src = "icons2/18off.gif";
		toc19off = new Image(141, 18);
                toc19off.src = "icons2/19off.gif";
 		toc20off = new Image(141, 18);
                toc20off.src = "icons2/20off.gif";
		toc21off = new Image(141, 18);
                toc21off.src = "icons2/21off.gif";
		toc22off = new Image(141, 18);
                toc22off.src = "icons2/22off.gif";
                toc1on = new Image(141, 18);
                toc1on.src = "icons2/1on.gif";
                toc2on = new Image(141, 18);
                toc2on.src = "icons2/2on.gif";
                toc3on = new Image(141, 18);
                toc3on.src = "icons2/3on.gif";
                toc4on = new Image(141, 18);
                toc4on.src = "icons2/4on.gif";
                toc5on = new Image(141, 18);
                toc5on.src = "icons2/5on.gif";
                toc6on = new Image(141, 18);
                toc6on.src = "icons2/6on.gif";
                toc7on = new Image(141, 18);
                toc7on.src = "icons2/7on.gif";
                toc8on = new Image(96, 28);
                toc8on.src = "icons2/8on.gif";
                toc9on = new Image(141, 18);
                toc9on.src = "icons2/9on.gif";
                toc10on = new Image(141, 18);
                toc10on.src = "icons2/10on.gif";
                toc11on = new Image(141, 18);
                toc11on.src = "icons2/11on.gif";
                toc12on = new Image(141, 18);
                toc12on.src = "icons2/12on.gif";
                toc13on = new Image(141, 18);
                toc13on.src = "icons2/13on.gif";
                toc14on = new Image(141, 18);
                toc14on.src = "icons2/14on.gif";
                toc15on = new Image(141, 18);
                toc15on.src = "icons2/15on.gif";
                toc16on = new Image(141, 18);
                toc16on.src = "icons2/16on.gif";
                toc17on = new Image(141, 18);
                toc17on.src = "icons2/17on.gif";
				toc18on = new Image(141, 18);
                toc18on.src = "icons2/18on.gif";
				toc19on = new Image(141, 18);
                toc19on.src = "icons2/19on.gif";
				toc20on = new Image(141, 18);
                toc20on.src = "icons2/20on.gif";
				toc21on = new Image(141, 18);
                toc21on.src = "icons2/21on.gif";
				toc22on = new Image(141, 18);
                toc22on.src = "icons2/22on.gif";
        }

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

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