var newPopWindow;
function popUp() {
/* begin configuration */
var url = "jukebox/";
var w = "320";
var h = "380";
var menu = "no";
var scroll = "no";
var tool = "no";
var location = "no";
var resize = "no";
/* end configuration */
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'width='+w+', height='+h+', top='+wint+', left='+winl+', menubar='+menu+', scrollbars='+scroll+', toolbar='+tool+', location='+location+', resizable='+resize+'';
newPopWindow = window.open(url, 'popup', winprops);
if (window.focus) {newPopWindow.focus()}
}