navegador = navigator.appName;
versao = parseInt(navigator.appVersion);
var ok = false;
if (navegador == "Netscape" || versao>2) ok = true;

if (ok) {

//mouseover barra amarela
g1 = new Image;
g1.src = "images/bt_sec_01_off.gif";
g2 = new Image;
g2.src = "images/bt_sec_01_on.gif";

h1 = new Image;
h1.src = "images/bt_sec_02_off.gif";
h2 = new Image;
h2.src = "images/bt_sec_02_on.gif";

i1 = new Image;
i1.src = "images/bt_sec_03_off.gif";
i2 = new Image;
i2.src = "images/bt_sec_03_on.gif";

j1 = new Image;
j1.src = "images/bt_sec_04_off.gif";
j2 = new Image;
j2.src = "images/bt_sec_04_on.gif";

k1 = new Image;
k1.src = "images/bt_sec_05_off.gif";
k2 = new Image;
k2.src = "images/bt_sec_05_on.gif";

ka1 = new Image;
ka1.src = "images/bt_sec_06_off.gif";
ka2 = new Image;
ka2.src = "images/bt_sec_06_on.gif";



}

function ImgFunc(imgDocID,imgObjName) {
	if (ok) {
		document.images[imgDocID].src = eval(imgObjName + ".src")
	}
}