bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
    if ((bName == "Netscape" && bVer >= 3) || 
        (bName == "Microsoft Internet Explorer" && bVer >= 4)) br = "n3"; 
    else br = "n2";


    if (br== "n3") {
    img0on = new Image();
    img0on.src = "images/button_on.gif";
 
    img1on = new Image();
    img1on.src = "images/button1_on.gif";

    img2on = new Image();
    img2on.src = "images/button2_on.gif";

    img4on = new Image(); 
    img4on.src = "images/button4_on.gif";
   
    img5on = new Image(); 
    img5on.src = "images/button5_on.gif";

    img6on = new Image(); 
    img6on.src = "images/button6_on.gif";

    img7on = new Image(); 
    img7on.src = "images/button_future_on.gif";		

    img8on = new Image(); 
    img8on.src = "images/button_access_on.gif";		
		
    img9on = new Image(); 
    img9on.src = "images/button_whatson_on.gif";		

    img0off = new Image(); 
    img0off.src = "images/button_off.gif";

    img1off = new Image(); 
    img1off.src = "images/button1_off.gif";

    img2off = new Image(); 
    img2off.src = "images/button2_off.gif";

    img4off = new Image(); 
    img4off.src = "images/button4_off.gif";

    img5off = new Image(); 
    img5off.src = "images/button5_off.gif";

    img6off = new Image(); 
    img6off.src = "images/button6_off.gif";
		
    img7off = new Image(); 
    img7off.src = "images/button_future_off.gif";		

    img8off = new Image(); 
    img8off.src = "images/button_access_off.gif";
		
    img9off = new Image(); 
    img9off.src = "images/button_whatson_off.gif";		
		
    }

function imgAct(imgName) {
    if (br == "n3") {
    document[imgName].src = eval(imgName + "on.src");
    }
}

function imgInact(imgName) {
    if (br == "n3") {
    document[imgName].src = eval(imgName + "off.src");
    }
}