function popupSchoolImage(photo_id,course_id,w,h)
{
	var url = "/school/show_image.php" +
		"?photo_id=" + photo_id +
		"&course_id="+course_id +
		"&w=" + w +
		"&h=" + h;
	var win_width = w + 30;
	var win_height = h + 80;
	wnd=window.open(url, "photoWin", 'width='+win_width+',height='+win_height+',resizable=1,scrollbars=yes,toolbar=no,menubar=no');
	wnd.focus();
}

var comment_window_url;

function open_comment_window()
{
	if ((top.comment_window == null) || (top.comment_window.closed)){
		top.comment_window = window.open(comment_window_url, "comment_window",
			"width=600,height=500,status=no,resizable=1,scrollbars=1,toolbar=no,menubar=no")
	}
	else
	{
		top.comment_window.focus();
	}
	return false;
}