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") {
	
	img1on = new Image(); 
    img1on.src = "images/menu/home_over.gif"; 
    
    img1off = new Image(); 
    img1off.src = "images/menu/home.gif"; 
	
	img2on = new Image(); 
    img2on.src = "images/menu/contact_over.gif"; 
    
    img2off = new Image(); 
    img2off.src = "images/menu/contact.gif"; 
	
	img3on = new Image(); 
    img3on.src = "images/menu/gallery_over.gif"; 
    
    img3off = new Image(); 
    img3off.src = "images/menu/gallery.gif"; 
	
	img4on = new Image(); 
    img4on.src = "images/menu/products_over.gif"; 
    
    img4off = new Image(); 
    img4off.src = "images/menu/products.gif"; 
	
		img5on = new Image(); 
    img5on.src = "images/menu/orderform_over.gif"; 
    
    img5off = new Image(); 
    img5off.src = "images/menu/orderform.gif"; 
	
	

}

    function imgOn(imgName) {


        if (document.images) {
        document[imgName].src = eval(imgName + "on.src");
    }
}

    function imgOff(imgName) {


        if (document.images) {
        document[imgName].src = eval(imgName + "off.src");
    }
}