$(document).ready(function()
{
// Проверка полей
var options_comment = {
validation_form: ".check"
}
$().validateThis(options_comment);

}
);

var prev_comment = 0;

// Ответ на комментарий
function cr(comment_id)
{
	if (prev_comment && prev_comment != comment_id)
	{
		document.getElementById(prev_comment).style.display = 'none';
	}

	var div = document.getElementById(comment_id);

	if (div.style.display != 'block')
	{
		div.style.display = 'block';
	}
	else
	{
		div.style.display = 'none';
	}

	prev_comment = comment_id;
}