function roll(url) {
    document.images["ctl00_ContentPlaceHolder1_imgMain"].src = url;
}

function jukebox() {
    window.open("../Music/myjukebox.html", null, "height=340,width=220,location=no");
    //"height=320,width=200,status=no,toolbar=no,menubar=no,location=no");
}