var new_page;
function pop_up_window (win_wid,win_hght,win_name,win_page) {
  new_page = window.open(win_page,win_name,"width=" + win_wid + ",height=" + win_hght + ",directories=no,location=no,menubar=no,resizeable=no,scrollbars=no,status=no,toolbar=no");
  new_page.focus();{ new_page.focus()  }
}