timeout =0; // Close window after __ number of seconds? 0 = do not close, anything else = number of seconds
function Start(URL, WIDTH, HEIGHT) {
windowprops = "left=1,top=1,width=" + (WIDTH+6) + ",height=" + (HEIGHT+6);
text = "Image";
text += "
Close Window";
if (timeout != 0) text +="
Preview closes after " + timeout + " seconds.";
text += "";
preview = window.open("", "preview", windowprops);
preview.document.open();
preview.document.write(text);
preview.document.close();
}