Browser = false ;
if (((navigator.appName.charAt(0)=="N") && (navigator.appVersion.charAt(0)>=3)) || ((navigator.appName.charAt(0)=="M") && (navigator.appVersion.charAt(0)>=4))) {
    Browser = true;
    
    bio_off= new Image();
    bio_off.src = "images/nav/bio_off.gif";
    bio_over = new Image();
    bio_over.src = "images/nav/bio_over.gif";

    tour_off= new Image();
    tour_off.src = "images/nav/tour_off.gif";
    tour_over = new Image();
    tour_over.src = "images/nav/tour_over.gif";
    
    music_off= new Image();
    music_off.src = "images/nav/music_off.gif";
    music_over = new Image();
    music_over.src = "images/nav/music_over.gif";
    
    press_off= new Image();
    press_off.src = "images/nav/press_off.gif";
    press_over = new Image();
    press_over.src = "images/nav/press_over.gif";
    
    photos_off= new Image();
    photos_off.src = "images/nav/photos_off.gif";
    photos_over = new Image();
    photos_over.src = "images/nav/photos_over.gif";
    
    journal_off= new Image();
    journal_off.src = "images/nav/journal_off.gif";
    journal_over = new Image();
    journal_over.src = "images/nav/journal_over.gif";
    
    contact_off= new Image();
    contact_off.src = "images/nav/contact_off.gif";
    contact_over = new Image();
    contact_over.src = "images/nav/contact_over.gif";
    
    upcoming_off= new Image();
    upcoming_off.src = "images/nav/upcoming_off.gif";
    upcoming_over = new Image();
    upcoming_over.src = "images/nav/upcoming_over.gif";
    
    past_off= new Image();
    past_off.src = "images/nav/past_off.gif";
    past_over = new Image();
    past_over.src = "images/nav/past_over.gif";
    
    listen_off= new Image();
    listen_off.src = "images/nav/listen_off.gif";
    listen_over = new Image();
    listen_over.src = "images/nav/listen_over.gif";
    
    album_off= new Image();
    album_off.src = "images/nav/album_off.gif";
    album_over = new Image();
    album_over.src = "images/nav/album_over.gif";
    
    news_off= new Image();
    news_off.src = "images/nav/news_off.gif";
    news_over = new Image();
    news_over.src = "images/nav/news_over.gif";
    
    presskit_off= new Image();
    presskit_off.src = "images/nav/presskit_off.gif";
    presskit_over = new Image();
    presskit_over.src = "images/nav/presskit_over.gif";
    
    dave_off= new Image();
    dave_off.src = "images/header_dave.jpg";
    dave_over = new Image();
    dave_over.src = "images/header_home.jpg";
    
    }    

function rollover(place, imgName) {
    if (Browser == true) {
        document[place].src =eval(imgName + ".src");
    }
}






browserName = navigator.appName;

browserVer = parseInt(navigator.appVersion);



ns3up = (browserName == "Netscape" && browserVer >= 3);

ie4up = (browserName.indexOf("Microsoft") >= 0 && browserVer >= 4);



function doPic(imgName) {

    if (ns3up || ie4up) {
        imgOn = ("" + imgName);
        parent.document.mainpic.src = imgOn;
    }
}