var visibleVar="null";
var prevLayer='';
var tt=1,mn;
var layerRef;

function showLayer(layerName)
{
	document.getElementById(layerName).className = 'visible';
	if (prevLayer!=''&&prevLayer!=layerName) hideLayer(prevLayer);
	prevLayer=layerName;
}

function hideLayer(layerName)
{
	if(!tt) return;
	document.getElementById(layerName).className = 'hidden';
}

function hidePLayer()
{
	if(prevLayer!='') document.getElementById(prevLayer).className = 'hidden';
}

function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}
function validate()
{
	
	if (document.CART.fio.value==""){
		alert("Вы не ввели своё имя!")
		return false
	}		
	if (document.CART.phone.value==""){
		alert("Вы не указали телефон!")
		return false
	}
	if (document.CART.email.value==""){
		alert("Вы не указали e-mail!")
		return false
	}
	return true
}