function popUp (url, width, height, name)
{
   widthHeight = "width=" + width + ",height=" + height;
   winFeatures = "width=" + width + ",height=" + height + ",menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no,location=no,left=25,top=25"
   spawn = window.open(url,name,winFeatures);
}