function Start(URL, WIDTH, HEIGHT) {
windowprops = "left=1,top=1,width=" + (WIDTH+1) + ",height=" + (HEIGHT+1);
URL = URL.replace(/ /gi, "%20");
text = "Image Preview";
text += "";
text += "![](jokes/images")
";
text += "
";
text += "";
text += "";
preview = window.open("", "", windowprops);
preview.document.open();
preview.document.write(text);
preview.document.close();
}