if (navigator.appVersion > "3") {

	
	img1 = new Image(); img1.src = "images/nav_top_a.gif";
	img2 = new Image(); img2.src = "images/nav_top_b.gif";
	
	img3 = new Image(); img3.src = "images/nav_bio_a.gif";
	img4 = new Image(); img4.src = "images/nav_bio_b.gif";
	
	img5 = new Image(); img5.src = "images/nav_disc_a.gif";
	img6 = new Image(); img6.src = "images/nav_disc_b.gif";
	
	img7 = new Image(); img7.src = "images/nav_live_a.gif";
	img8 = new Image(); img8.src = "images/nav_live_b.gif";
	
	img9 = new Image(); img9.src = "images/nav_link_a.gif";
	img10 = new Image(); img10.src = "images/nav_link_b.gif";
	
	img11 = new Image(); img11.src = "images/nav_contct_a.gif";
	img12 = new Image(); img12.src = "images/nav_contct_b.gif";
	
	img13 = new Image(); img13.src = "images/nav_mb_a.gif";
	img14 = new Image(); img14.src = "images/nav_mb_b.gif";
}

function imgChange(imgName,imgNum) {
                    if (navigator.appVersion > "3") {
                    document.images[imgName].src = eval(imgNum + ".src");
		}
}