function getCommentContent(spot, num, topage)
{
    document.getElementById("comment_div").innerHTML = '<img src="images/ajax-loader.gif">loading...';
    /*var get_success = function(o)
    {
        if (o.responseText !== undefined)
        {
            document.getElementById("comment_div").innerHTML = o.responseText;
        }
    }
    var none = function(o)
    {
        alert('connect fail');
    }
    var get_callback =
	{
	    success: get_success,
	    failure: none,
	    argument: {}
	};
    var uri = '/comment.ajax.php?id=' + spot + '&num=' + num + '&page=' + topage;
    var request = YAHOO.util.Connect.asyncRequest('GET', uri, get_callback);
    */
}