closetime = 0; // Close window after __ number of seconds?
// 0 = do not close, anything else = number of seconds

function Start(URL, WIDTH, HEIGHT) {
windowprops = "left=0,top=1000,width=" + WIDTH + ",height=" + HEIGHT;
preview = window.open(URL, "preview", windowprops);
if (closetime) setTimeout("preview.close();", closetime*1000);
}

function doPopup() {
url = "http://www.axport.com/movies/2008-Hollywood-Movies/news-ads.html";
width = 100;  // width of window in pixels
height = 100; // height of window in pixels
delay = 2;    // time in seconds before popup opens
timer = setTimeout("Start(url, width, height)", delay*1000);
}