function GetJsonData( url, user_url )
{

	var myAjax = new Ajax.Request(
		url,
		{
			method: 'get',
			parameters: '?url=' + user_url,
			onComplete: function(request){
				 object = request.responseText.evalJSON();
				 MakeParts(object);
			}

		});

}

function PostComments(url, comment, state, user_url)
{

	var myAjax = new Ajax.Request(
		url,
		{
			method: 'post',
			postBody: 'comment=' + document.getElementById(comment).value + '&state=' + state + '&url=' + user_url,
			onComplete: function(request){
				GetJsonData('./parse.php', user_url);
			}

		});

}

function MakeParts(object)
{
	var data_positive;
	var data_negative;
	var html_str = "";
	for (var i=0; i < object['items'].length; i++) {
		html_str += [
		'     <tr>',
		'      <td class="data">',
		'       <div class="entry_time">',
		'         <img width="16" height="16" alt="negative" src="http://www.mooos.net/images/positive.png"/>',
		object['items'][i]['pubdate'],
		'       </div>',
		'       <div class="comment">',
		'         <div class="positive">',
		object['items'][i]['description'],
		'         </div>',
		'       </div>',
		'      </td>',
		'     </tr>'].join('\n');
	}

	$('tab_positive').innerHTML = '<table>' + html_str + '</table>';
	$('count_comment').innerHTML = object['items'].length;
}

function ShowComments(id)
{

	if (id=='tab_negative'){
		document.getElementById('tab_negative').style.display = "block";
		document.getElementById('tab_positive').style.display = "none";
	} else{
		document.getElementById('tab_negative').style.display = "none";
		document.getElementById('tab_positive').style.display = "block";
	}
}