var browser = navigator.appName;
var version = parseInt(navigator.appVersion);
//document.write('Your browser is: ' + navigator.appName + ' ' + version + '<BR>');
var browVer = "yes";

if ((browser == "Netscape")
&& (version < 4))
{ 
var browVer = "no";
}
//alert(browVer);
if (browVer != "no")
{

// nav array  
var option2 = new Array(7);
option2[0] = "1";
option2[1] = "2";
option2[2] = "3";
option2[3] = "4";
option2[4] = "5";
option2[5] = "6";
option2[6] = "7";

// Load Option Images Ahead of Time
var onimg2 = new Array(7);
var offimg2 = new Array(7);

for (i = 0; i < onimg2.length; i++) {
   onimg2[i] = new Image;
   onimg2[i].src = "xbbb_b" + option2[i] + ".jpg";
   offimg2[i] = new Image;
   offimg2[i].src = "xbbbl" + option2[i] + "_over.jpg";
}
}

//onMouseOver and onMouseOut
function unhighlight(name, id) {
if (browVer != "no")
{
   document[name].src = offimg[id].src;
}
}

function highlight(name, id) {
if (browVer != "no")
{
   document[name].src = onimg[id].src;
}
}