if (document.images) {            // Active Images
	img1on = new Image();      
    img1on.src = "http://www.digitalcamerainfo.com/images/nav/nnav01-over.gif"; 
	img2on = new Image();      
    img2on.src = "http://www.digitalcamerainfo.com/images/nav/nnav02-over.gif"; 
	img3on = new Image();      
    img3on.src = "http://www.digitalcamerainfo.com/images/nav/nnav03-over.gif"; 
	img4on = new Image();      
    img4on.src = "http://www.digitalcamerainfo.com/images/nav/nnav04-over.gif"; 
	img5on = new Image();      
    img5on.src = "http://www.digitalcamerainfo.com/images/nav/nnav05-over.gif"; 
	img6on = new Image();      
    img6on.src = "http://www.digitalcamerainfo.com/images/nav/nnav06-over.gif"; 
	img7on = new Image();      
    img7on.src = "http://www.digitalcamerainfo.com/images/nav/nnav07-over.gif"; 
	img8on = new Image();
    img8on.src = "http://www.digitalcamerainfo.com/images/nav/nnav08-over.gif"; 

	img1off = new Image();      
    img1off.src = "http://www.digitalcamerainfo.com/images/nav/nnav01.gif"; 
	img2off = new Image();     
    img2off.src = "http://www.digitalcamerainfo.com/images/nav/nnav02.gif"; 
	img3off = new Image();      
    img3off.src = "http://www.digitalcamerainfo.com/images/nav/nnav03.gif"; 
	img4off = new Image();     
    img4off.src = "http://www.digitalcamerainfo.com/images/nav/nnav04.gif"; 
	img5off = new Image();     
    img5off.src = "http://www.digitalcamerainfo.com/images/nav/nnav05.gif"; 
	img6off = new Image();     
    img6off.src = "http://www.digitalcamerainfo.com/images/nav/nnav06.gif"; 
	img7off = new Image();     
    img7off.src = "http://www.digitalcamerainfo.com/images/nav/nnav07.gif"; 
	img8off = new Image();     
    img8off.src = "http://www.digitalcamerainfo.com/images/nav/nnav08.gif"; 
}

// Function to 'activate' images.

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

// Function to 'deactivate' images.

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

}

// -->