function add_comment(form_id)
	{
	 var error = '';
	 var name = document.getElementById('name').value;
	 var text = document.getElementById('text').value;
	 if (trim(text).length<'1')
		{error += '- Введите пожалуйста текст\n';}
	 if (error != '')
		{alert(error);}
	 else
		{
	 	 var req = new JsHttpRequest();
	 	 document.getElementById('Submit').disabled=true;
	 	 document.getElementById('Submit').value='Загрузка ...';
	 	 req.onreadystatechange = function()
	 	 	{
		 	 if (req.readyState == 4)
		 	 	{
			 	 if (req.responseJS)
			 		{
				 	 var answer=(req.responseJS.answer||'Ошибка');
				 	 document.getElementById('answer').innerHTML += answer;
				 	 document.getElementById('Submit').value='Оставить отзыв';
				 	 document.getElementById('Submit').disabled=false;
				 	 document.getElementById('text').value='';
				 	 document.getElementById('comm_count_span').innerHTML=++document.getElementById('comm_count').value;
					}
				}
			}
	 	 req.caching = false;
	 	 req.open('POST', K_AJAX_HTTP + 'add_comment.php?test=abc', true);
	 	 req.send({  name:name, text:text, form_id:form_id, test:303 });}
	}