function DoRedirect()
{
	location.href = "http://www.nbut.cn";
}

function SetRedirect()
{
	setTimeout("DoRedirect()", 5000);
	setInterval("DoCount()", 1000);
}

function DoCount()
{
	var o = document.getElementById("Counter");
	if(o.innerHTML > 0) o.innerHTML = o.innerHTML - 1;
}

SetRedirect();