function show_hide()
{
	var set=document.getElementById('blk_send');
	if(set.style.display=='block')
	{
		set.style.display='none';
	}
	else
	{
		set.style.display='block';
	}
}

function send_letter() {
	var a;
	
	document.getElementById("answer").innerHTML = '<img src="/inc/template/images/progress.gif" alt="" /><br />Пожалуйста, подождите...';
	
	JsHttpRequest.query(
	'/inc/send.php', // backend
		{
			'name': document.getElementById("nameF").value,
			'mail': document.getElementById("mailF").value,
			'message': document.getElementById("messageF").value
		},
	
	function(result, errors) {
		document.getElementById("answer").innerHTML = result["statusS"];
		a = true;
	},
	false
	);
}

function active_but() {
	document.getElementById('sendB').disabled=false;
}