var intervals = 1000;
var control;
var timerID;

function SetHideTimer(controlName)
{
	control = controlName;
	DisableTimer();
	timerID = setTimeout("Hide()", intervals)
}

function ShowAt(controlName, x, y)
{
	controlName.style.left = x;
	controlName.style.top = y;
	controlName.style.visibility = 'visible';
}

function Hide()
{
	if (control)
		control.style.visibility = 'hidden';
}

function DisableTimer()
{
	if (timerID)
		clearInterval(timerID);
}