if (document.images) {            // Active Images
            img1on = new Image();
            img1on.src = "http://www.topplerecords.com/images/left/nav_artists_on.jpg";
            img1off = new Image();
            img1off.src = "http://www.topplerecords.com/images/left/nav_artists_off.jpg";

            img2on = new Image();
            img2on.src = "http://www.topplerecords.com/images/left/nav_news_on.jpg";
            img2off = new Image();
            img2off.src = "http://www.topplerecords.com/images/left/nav_news_off.jpg";

            img3on = new Image();
            img3on.src = "http://www.topplerecords.com/images/left/nav_store_on.jpg";
            img3off = new Image();
            img3off.src = "http://www.topplerecords.com/images/left/nav_store_off.jpg";

            img4on = new Image();      
            img4on.src = "http://www.topplerecords.com/images/left/nav_shows_on.jpg";
            img4off = new Image(); 
            img4off.src = "http://www.topplerecords.com/images/left/nav_shows_off.jpg";

            img5on = new Image();
            img5on.src = "http://www.topplerecords.com/images/left/nav_links_on.jpg";
            img5off = new Image();
            img5off.src = "http://www.topplerecords.com/images/left/nav_links_off.jpg";

            img6on = new Image();
            img6on.src = "http://www.topplerecords.com/images/left/nav_contact_on.jpg";
            img6off = new Image();
            img6off.src = "http://www.topplerecords.com/images/left/nav_contact_off.jpg";

}

function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}

<!-- player popup -->
function popupPlayer(){
	var TopplePop = window.open('', "Topple_Popup_Player", 'toolbar=0,status=1,resizable=1,width=550,height=184')
	TopplePop.document.write("<object style=\"font-family: verdana;\" classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0\" id=\"xpsf_player\" align=\"middle\" height=\"100%\" width=\"100%\"><param	name=\"movie\" value=\"http://www.topplerecords.com/pl/xspf_player.swf?playlist_url=http://www.topplerecords.com/pl/stream.xspf&autoplay=true\"><param name=\"quality\" value=\"high\"><param name=\"bgcolor\" value=\"#00adef\"><embed src=\"http://www.topplerecords.com/pl/xspf_player.swf?playlist_url=http://www.topplerecords.com/pl/stream.xspf&autoplay=true\" quality=\"high\" bgcolor=\"#00adef\" name=\"xpsf_player\" allowscriptaccess=\"sameDomain\" type=\"application/x-shockwave-flash\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" align=\"center\" height=\"100%\" width=\"100%\"></object>")
	TopplePop.document.close()
}