var comForm = null;
	var comStatus = null;
	var comment_max_length = 1500;
	function sendComment(form, status)
	{
	     comForm = form;
	     if(!comStatus)
	     {
	          comStatus = $(status);
	     }
	     var elements = Form.getElements(comForm);
	     var names = new Array();

	     for(var i=0; i<elements.length; i++)
	     {
	          if(elements[i].name == 'commentText')
	     	{
	     	     if(elements[i].value.strip() == "")
	               {
	                    comStatus.innerHTML = "Заполните поле 'Комментарий'";
	                    elements[i].focus();
	                    return;
	               }
	     	}
	     }

		var pars = Form.serialize(comForm);
		var req = new Ajax.Request("comments_add",{method: 'get', parameters: pars, onComplete: onCommentSend});
		comStatus.innerHTML = _msg_loading;
		Form.disable(comForm);

	}

	function onCommentSend(req)
	{
	     $("commentsDiv").innerHTML += req.responseText;
	     comStatus.innerHTML = "";
		Form.enable(comForm);
		$('comment_text').value = '';
		$('comment_length').innerHTML = comment_max_length;
	}

	function checkLength()
	{
		f = $('comment_length');
		c = $('comment_text');
		l = c.value.length;
		v = comment_max_length - l;
		v = ( v < 0 ) ? 0 : v;
		f.innerHTML = v;
		if( v === 0)
		{
			c.value = c.value.substring(0,comment_max_length);
			$('comStatus').innerHTML = 'Too large comment';
		}
	}

	function rateContent(rate, id)
	{
	     var url = 'comments_rate';
	     var pars = 'rate=' + rate + '&id=' + id;
	     var div = $('contentRates');
	     div.innerHTML = _msg_loading + ' ';

		var req = new Ajax.Request(url, {
		     						method: 'get',
		     						parameters: pars,
							  		onComplete: function(req)
							  		{
							  			var json = eval('(' + req.responseText + ')');
							  			var image = $('contentRate');
							  			image.title = json.rate;
							  			image.alt = json.rate;
							  			image.src = 'images/web/comments_vote_' + Math.round(json.rate) + '.png';
							  			$('contentNumOfRate').innerHTML = json.total;
							  			Element.remove(div);
							  		}
								  }
							 );
	}

	function printCommentArea()
	{
		document.write('<text'+'area rows="6" cols="80" '+'id="co'+'mment_text" na'+'me="commen'+'tText" onkeydown="'+'chec'+'kLength();" on'+'keyup="check'+'Length();" onchan'+'ge="checkLe'+'ngth();"><\/'+'textarea>');
	}