<!--

var browserVersion=0;
var dir="";

if ((navigator.userAgent.indexOf("Mozilla/3") != -1) ||
	(navigator.userAgent.indexOf("Mozilla/4") != -1) ||
	(navigator.userAgent.indexOf("Mozilla/5") != -1)) {
	browserVersion = 3;
}

    nav1 = new Image();
    nav1.src = "/images/navig/navig1a.gif";
    nav1On = new Image();
    nav1On.src = "/images/navig/navig1b.gif";
    
    nav2 = new Image();
    nav2.src = "/images/navig/navig2a.gif";
    nav2On = new Image();
    nav2On.src = "/images/navig/navig2b.gif";
    
    nav3 = new Image();
    nav3.src = "/images/navig/navig3a.gif";
    nav3On = new Image();
    nav3On.src = "/images/navig/navig3b.gif";
    
    nav4 = new Image();
    nav4.src = "/images/navig/navig4a.gif";
    nav4On = new Image();
    nav4On.src = "/images/navig/navig4b.gif";
    
    nav5 = new Image();
    nav5.src = "/images/navig/navig5a.gif";
    nav5On = new Image();
    nav5On.src = "/images/navig/navig5b.gif";

    nav6 = new Image();
    nav6.src = "/images/navig/navig6a.gif";
    nav6On = new Image();
    nav6On.src = "/images/navig/navig6b.gif";

    nav7 = new Image();
    nav7.src = "/images/navig/navig7a.gif";
    nav7On = new Image();
    nav7On.src = "/images/navig/navig7b.gif";

function setI(imgName) {
    if (browserVersion == 3) {
        imgSrc = imgName + "On.src";
        document.images[imgName].src = eval(imgSrc);        
    }
}

function unsetI(imgName) {
	if (dir == imgName) return;
    if (browserVersion == 3) {
        imgSrc = imgName + ".src"
        document.images[imgName].src = eval(imgSrc);        
    }
}

// -->