//Browser Detection

bName = navigator.appName;
bVer = parseInt(navigator.appVersion);

if ((bName == "Netscape" && bVer >= 4) || (bName == "Microsoft Internet Explorer" && bVer >=4)) {
    br = "n4";
}
else if (bName =="Netscape" && bVer == 3) {
    br ="n3";
}
else {
    br = "n2";
}

// Create image objects, preload all active and inactive images

if ((br == "n3") || (br == "n4")){

    img1on = new Image( ); img1on.src = "../images/nav01_on.gif";
    img2on = new Image( ); img2on.src = "../images/nav02_on.gif";
    img3on = new Image( ); img3on.src = "../images/nav03_on.gif";
    img4on = new Image( ); img4on.src = "../images/nav04_on.gif";
    img5on = new Image( ); img5on.src = "../images/nav05_on.gif";
	img6on = new Image( ); img6on.src = "../images/nav06_on.gif";
	img7on = new Image( ); img7on.src = "../images/nav07_on.gif";
    img1off = new Image( ); img1off.src = "../images/nav01_off.gif";
    img2off = new Image( ); img2off.src = "../images/nav02_off.gif";
    img3off = new Image( ); img3off.src = "../images/nav03_off.gif";
    img4off = new Image( ); img4off.src = "../images/nav04_off.gif";
    img5off = new Image( ); img5off.src = "../images/nav05_off.gif";
	img6off = new Image( ); img6off.src = "../images/nav06_off.gif";
	img7off = new Image( ); img7off.src = "../images/nav07_off.gif";
}


// Function to "activate" images
function imgAct(imgName) {
    if ((br == "n3") || (br == "n4")) {
        document[imgName].src = eval(imgName + "on.src");
    }
}

// Function to "de-activate" images
function imgInact(imgName){
    if ((br == "n3") || (br == "n4")) { 
        document[imgName].src = eval(imgName + "off.src");
    }
}

// -->