var ntcw=0;
function opWindow(url){
  if( ntcw!=false && ! ntcw.closed){
   ntcw.close();
  }
  ntcw = open(url, "noticewindow", "width=520,height=140,resizable=yes,top=0,left=0,screenX=0,screenY=0,location=no,menubar=no,directories=no,scrollbars=yes");
  return(false);
}

function opw_mailform(num){

  mail_window = open('http://wasedaclub.net/mail_form.php?n='+num, "mailformwindow", "width=500,height=380,resizable=yes,top=0,left=0,screenX=0,screenY=0,location=no,menubar=no,directories=no,scrollbars=yes");
  return(false);

}