var activeZoom = false;

function initZoomIn()
{
	activeZoom = true;
	zoomIn();
}

function initZoomOut()
{
	activeZoom = true;
	zoomOut();
}
  
function zoomIn()
{
	document.title=document.title;
	document.pt01.ZoomIn();
	if (activeZoom) setTimeout("zoomIn()", 70);
}

function zoomOut()
{
	document.title=document.title;
	document.pt01.ZoomOut();
	if (activeZoom) setTimeout("zoomOut()", 70);
}

function stopZoom()
{
	document.title=document.title;
	activeZoom = false;
}