//Check Browser Version
bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
    if ((bName == "Netscape" && bVer >= 3) || 
        (bName == "Microsoft Internet Explorer" && bVer >= 4)) br = "n3"; 
    else br = "n2";
// preload images:
if (br== "n3") {
	//Active Images
    img1on = new Image(); img1on.src = "images/linearon.gif";     // Linear Potentiometers
    img2on = new Image(); img2on.src = "images/multion.gif";      // Multi-Turn Potentiometers
	img3on = new Image(); img3on.src = "images/dialson.gif";      // Turn-Counting Dials
	img4on = new Image(); img4on.src = "images/singleon.gif";     // Single-Turn Potentiometers
	img5on = new Image(); img5on.src = "images/joystickon.gif";   // Industrial Joysticks
	img6on = new Image(); img6on.src = "images/valveon.gif";      // Valve Actuators
	img7on = new Image(); img7on.src = "images/design1on.gif";     // Linear Design Guide
	img8on = new Image(); img8on.src = "images/design2on.gif";     // Multi Design Guide
	img9on = new Image(); img9on.src = "images/design3on.gif";     // Single Design Guide
	imgaon = new Image(); imgaon.src = "images/design4on.gif";     // Joystick Design Guide
	imgbon = new Image(); imgbon.src = "images/homeon.gif";        // Home Page
	imgcon = new Image(); imgcon.src = "images/crossrefon.gif";    // Cross Reference
	imgdon = new Image(); imgdon.src = "images/diston.gif";    	   // Salesrep List
	imgeon = new Image(); imgeon.src = "images/distron.gif";       // Distributor List
	imgfon = new Image(); imgfon.src = "images/footcontrolleron.gif";   // Foot Controllers
	
	//Inactive Images
    img1off = new Image(); img1off.src = "images/linearoff.gif";  // Linear Potentiometers
    img2off = new Image(); img2off.src = "images/multioff.gif";   // Multi-Turn Potentiometers
	img3off = new Image(); img3off.src = "images/dialsoff.gif";   // Turn-Counting Dials
	img4off = new Image(); img4off.src = "images/singleoff.gif";  // Single-Turn Potentiometers
	img5off = new Image(); img5off.src = "images/joystickoff.gif";// Industrial Joysticks
	img6off = new Image(); img6off.src = "images/valveoff.gif";   // Valve Actuators
	img7off = new Image(); img7off.src = "images/design1off.gif";  // Linear Design Guide
	img8off = new Image(); img8off.src = "images/design2off.gif";  // Multi Design Guide
	img9off = new Image(); img9off.src = "images/design3off.gif";  // Single Design Guide
	imgaoff = new Image(); imgaoff.src = "images/design4off.gif";  // Joystick Design Guide
	imgboff = new Image(); imgboff.src = "images/homeoff.gif";     // Home Page
	imgcoff = new Image(); imgcoff.src = "images/crossrefoff.gif";  // Cross Reference
	imgdoff = new Image(); imgdoff.src = "images/distoff.gif";      // Salesrep List
	imgeoff = new Image(); imgeoff.src = "images/distroff.gif";     // Distributor List
	imgfoff = new Image(); imgfoff.src = "images/footcontrolleroff.gif";     // Foot Controllers
	}
	
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");}}