var netscape = 0;
var goodIE = 0;

browserName = navigator.appName.substring(0,8);
browserVer = parseFloat(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3){netscape = 1;}
if (browserName == "Microsof" && browserVer >= 4){goodIE = 1;}

if (netscape || goodIE){

text_on = new Image();   
text_on.src = "images/universal/b_text_on.gif";
pix_on = new Image();   
pix_on.src = "images/universal/b_pix_on.gif";
music_on = new Image();   
music_on.src = "images/universal/b_music_on.gif";
art_on = new Image();   
art_on.src = "images/universal/b_art_on.gif";
video_on = new Image();   
video_on.src = "images/universal/b_video_on.gif";
mylinks_on = new Image();   
mylinks_on.src = "images/universal/b_links_on.gif";

text_off = new Image();   
text_off.src = "images/universal/b_text_off.gif";
pix_off = new Image();   
pix_off.src = "images/universal/b_pix_off.gif";
music_off = new Image();   
music_off.src = "images/universal/b_music_off.gif";
art_off = new Image();   
art_off.src = "images/universal/b_art_off.gif";
video_off = new Image();   
video_off.src = "images/universal/b_video_off.gif";
mylinks_off = new Image();   
mylinks_off.src = "images/universal/b_links_off.gif";
}

function roll_over(imgName){
if (netscape || goodIE){
document[imgName].src = eval(imgName + "_on.src");
}}

function roll_off(imgName){
if (netscape || goodIE){
document[imgName].src = eval(imgName + "_off.src");        
}}