browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
        if (browserName == "Netscape" && browserVer >= 3) version = "JavaScriptTrue";
        if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) version = "JavaScriptTrue";
        if (browserName == "Microsoft Internet Explorer" && browserVer <= 3) version = "JavaScriptFalse";
        if (version == "JavaScriptTrue")
        {
               menu1on = new Image;
                menu1on.src = "_pics/_menue/coach_ho.gif";
                menu1off = new Image;
                menu1off.src = "_pics/_menue/coach_av.gif";
                

               menu2on = new Image;
                menu2on.src = "_pics/_menue/anpff_ho.gif";
                menu2off = new Image;
                menu2off.src = "_pics/_menue/anpff_av.gif";
                

               menu3on = new Image;
                menu3on.src = "_pics/_menue/taktk_ho.gif";
                menu3off = new Image;
                menu3off.src = "_pics/_menue/taktk_av.gif";


               menu4on = new Image;
                menu4on.src = "_pics/_menue/ergeb_ho.gif";
                menu4off = new Image;
                menu4off.src = "_pics/_menue/ergeb_av.gif";
               


              menu5on = new Image;
                menu5on.src = "_pics/_menue/kontk_ho.gif";
                menu5off = new Image;
                menu5off.src = "_pics/_menue/kontk_av.gif";


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