var aktlink='img0';
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) version = "n3";
else if (browserName == "Microsoft Internet Explorer" && browserVer >= 3) version = "n3";
     else version = "n2";
if (version == "n3") {  
						img0off  = new Image(80,21);  img0off.src  = "img/od.gif";
                        img0ro   = new Image(80,21);  img0ro.src   = "img/od1.gif";
						img0on   = new Image(80,21);  img0on.src   = "img/od1.gif";
						img1off  = new Image(80,21);  img1off.src  = "img/logo_.gif";
                        img1ro   = new Image(80,21);  img1ro.src   = "img/logo_f2_.gif";
						img1on   = new Image(80,21);  img1on.src   = "img/logo_f2_.gif";
						img2off  = new Image(80,21);  img2off.src  = "img/logo2.gif";
                        img2ro   = new Image(80,21);  img2ro.src   = "img/logo_f2.gif";
						img2on   = new Image(80,21);  img2on.src   = "img/logo_f2.gif";
				             }
function img_ro(imgName1) { 
		 if (version == "n3") {  	
			if (aktlink != imgName1) {
			    document [imgName1].src = eval(imgName1 + "ro.src"); }}}
function img_inact(imgName1) {
         if (version == "n3") {	
			if (aktlink != imgName1) { 
				document [imgName1].src = eval(imgName1 + "off.src"); }}}
function img_aktsiteon(imgName1) {
         if (version == "n3") { 
		 	document [imgName1].src = eval(imgName1 + "on.src");}}
function img_akt(newaktlink) {
         if (version == "n3") {
			if (aktlink != newaktlink) 	{ 
				document [aktlink].src = eval(aktlink + "off.src"); 
				}
			aktlink = newaktlink;
    	    img_aktsiteon(aktlink); }}
			
function img_aktiv(IX) {
			    document [IX].src = eval(IX + "ro.src"); 
				aktlink = IX;
				}