/*
   * function popup
   *
   * opens a popup
   * this function comes from www.toutjavascript.com (improved a little)
   * 2003/4/23 MP - Created
   */

   function popup(url, name, width, height, resizable)
   {
      var top=(screen.height-height)/2;
      var left=(screen.width-width)/2;
      return window.open(url, name, "top="+top+",left="+left+",width="+width+",height="+height+", menubar=no, resizable="+resizable+", status=yes, scrollbars="+resizable+", directories=no");
      //return window.open(url, name, "top="+top+",left="+left+",width="+width+",height="+height+", menubar=yes, resizable=yes, status=yes, scrollbars=yes, directories=yes");
   }