function is_opener() { //is parent window open?
  var ua = navigator.userAgent;
  if(!!window.opener)
	if( ua.indexOf('MSIE 4')!=-1 && ua.indexOf('Win')!=-1) 
	  return !window.opener.closed;
	else return typeof window.opener.document  == 'object';
  else return false;
}

function loadToopener(url){ //window close or open
  if(is_opener()){
	window.close(); return false;
  } else {
    window.open(url,"targetName",'directories=1,location=1,menubar=1,scrollbars=1,status=1,toolbar=1,resizable=1');
	window.close(); return false;
  }
}