var myWindow;

function closeMap()
{
	if (myWindow) myWindow.close();
	doDetachEvent(window,'focus',closeMap);
}

function openMap(postcode, name)
{
	myWindow = window.open('http://maps.google.co.uk/maps?q='+postcode+',+('+name+')&z=3&iwloc=A', 'VEmapWindow', 'toolbar=no, directories=no, location=no, status=no, menubar=no, resizable=yes, scrollbars=no, width=640, height=480');
	doAttachEvent(window,'focus',closeMap);
}