standByTime = 900000
pageName = "./" + thisPage
pageTimout = setTimeout("reloadThat()",standByTime);

function reloadThat()
{
	document.location.href = pageName
}

function reloadThis()
{
	clearTimeout(pageTimout)
	pageTimout = setTimeout("reloadThat()",standByTime);
}

function backToUnits(n)
{
	document.location.href = pageName + "?u=" + n
}