var m = 0;

function str_replace(search, replace, subject)
{
	return subject.split(search).join(replace);
}
function mm(id)
{
	if (document.getElementById('m'+id))
	{
		if (m > 0)
		{
			document.getElementById('m'+m).className = str_replace('active', '', document.getElementById('m'+m).className);
		}
		if (m != id)
		{
			m = id;
			document.getElementById('m'+m).className += ' active';
		}
		else
		{
			m = 0;
		}
		return false;

	}
	return true;
}